Mobile App
Development Services

We deliver mobile application development services for iOS and Android that improve retention in the first 30 days after install by reducing crash risk, app QA and testing, and accelerating time-to-value in key flows.

Companies We Help Succeed

Flowmingo
Cortex
Thaces
RevivX Hub
Glamezy
Blends
Azure Biosystems

About
Darly Solutions
In Numbers

Reviewed on
5.0
Top rated
5.0
2016

Since 2016, delivering UI/UX design
for products

98%

client satisfaction score (NPS)

96%

of projects stay within budget

Reviewed on
5.0
Top rated
5.0

Mobile App Development Solutions From Discovery to Delivery

MVP Mobile Development

We deliver mobile app development services that bring an MVP to market fast and set a foundation for retention and iteration.

Solutions include:

Mobile app strategy and scope cut for first release

Clickable prototype + release plan for MVP mobile development

Analytics-ready activation path and “aha” definition

Crash, ANR,
and Stability Engineering

Stability work focuses on crash-free sessions and predictable releases. These mobile software development services prioritize stability in the flows that decide retention.

Solutions include:

Crash and ANR root-cause analysis by flow and device segment

Stability fixes tied to retention and store ratings

App modernization of unstable modules and release safeguards

Enterprise Mobile
App Development

For complex products and fast-growing startups, we deliver mobile app development solutions that keep releases stable and scale into daily-use operations in regulated markets.

Solutions include:

Custom mobile application development for multi-module apps with scalable data and integrations

Healthcare mobile apps and fintech app development for high-trust flows: scheduling, payments, operator reviews

Agile app development with release automation, crash monitoring, and quality gates

iOS and Android
App Development

We build mobile application development services for iOS and Android with stable performance in the flows that decide activation.

Solutions include:

iOS development and Android mobile app development delivery plan

Architecture and release setup for predictable iteration

Store readiness: performance, stability, and launch checklist

App QA and Testing
for Retention Flows

We reduce crash risk where it affects retention most: onboarding, auth, checkout, booking, and search.

Solutions include:

App QA and testing for critical user flows

Regression suite for releases and hotfix readiness

Crash/ANR monitoring and release quality gates

Retention Funnels
and Activation Analytics

We run an app development service that connects mobile analytics to release-ready changes in the flows that shape activation.

Solutions include:

Activation funnel mapping and event taxonomy

Feature-level retention analysis for key actions

Insights from analytics + support tickets + session recordings

Performance and
Time-to-Value Acceleration

Faster first actions reduce drop-off and improve 7/30-day retention signals. Our mobile app development solutions focus on speed in the flows users hit first after install.

Solutions include:

Faster app start and screen load time in key scenarios

Smooth interaction patterns for data-heavy screens

Custom mobile application development improvements for real-device performance

App Modernization
and Redesign

Modernization work targets speed, stability, and usability for current users. We deliver mobile apps development services that refresh core flows and keep delivery scalable across releases.

Solutions include:

Legacy code and release pipeline upgrades for faster iteration

App redesign of one retention-critical flow with delivery-ready specs

Design system components for consistent delivery

Mobile App Development Across Industries

What We Typically Build:

B2B SaaS startups

Marketplaces

Internal Tools

Custom Platforms

Mobile workflows and interfaces we build

MVP activation:

First-run, onboarding, first successful action

Growth loops

Invites, sharing, referrals, re-engagement triggers

Patient portal UX

Search, listings, matching, messaging, transactions

Founder demo flows

Guided paths that show value in minutes

Self-serve accounts

Settings, roles, permissions, subscription actions

Operational consoles

Approvals, exceptions, admin actions

Outcome

Faster time-to-market, higher activation, scalable delivery as usage grows

Who we work with

Telemedicine platforms

HIMS

Wellness Apps

Digital Health Products

Mobile workflows and interfaces we build

Clinical and
care workflows

Triage, task queues, handoffs, care coordination

Medical imaging companions

Navigation, viewing flows, precise interactions

Patient flows

Intake, scheduling, messaging, follow-ups

Multi-clinic access

Locations, providers, shared access, permissions

Mental health and wellness

Onboarding, sessions, progress, reminders

iOS and Android apps

App Store and Google Play release readiness

Outcome

Higher user adoption, lower workflow errors, lower support overhead

Who we work with

B2B FinTech

Payments Platforms

Digital Banking

Lending

Wealth Tools

Mobile workflows and interfaces we build

KYC and verification

Identity checks, documents, statuses, next steps

Payments and banking

Balances, transfers, limits, fees, confirmation states

Credit and lending

Applications, approvals, repayments, exception handling

Fraud and risk operations

Monitoring, reviews, audit-ready actions

Investment flows

Portfolio views, orders, performance, trade status updates

iOS and Android apps

App Store and Google Play release readiness

Wallet and blockchain flows

Signing, on-chain confirmations, retries

Outcome

Higher completion in regulated flows, fewer disputes, lower support load

Who we work with

CDPs

Marketing Automation Platforms

Loyalty Products

Creator Tools

Analytics Apps

Mobile workflows and interfaces we build

Mobile dashboards

Attribution, drill-downs, filters, export-ready views

Automation workflows

Journeys, triggers, approvals, rollout states

Experimentation flows

A/B setup, variants, results, decision screens

Content operations

Calendars, publishing states, collaboration history

Mobile ad operations

Campaigns, bidding, budgets, performance states

Multi-role workspaces

Ad accounts, permissions, approvals

Audience and segmentation

Rules, identity logic, membership updates

Outcome

Faster execution for marketing teams, higher feature-level retention, fewer routine tickets.

Platforms and Startups Mobile App Development
We build mobile products for startups and custom platforms where retention depends on fast activation, clear core loops, and predictable iteration from MVP to scale. Delivery pairs mobile development services with app development solutions tied to one measurable flow.
01
What We Typically Build:
B2B SaaS startups
Marketplaces
Internal Tools
Custom Platforms
Mobile workflows and interfaces we build
MVP activation:
First-run, onboarding, first successful action
Growth loops
Invites, sharing, referrals, re-engagement triggers
Patient portal UX
Search, listings, matching, messaging, transactions
Founder demo flows
Guided paths that show value in minutes
Self-serve accounts
Settings, roles, permissions, subscription actions
Operational consoles
Approvals, exceptions, admin actions
Outcome
Faster time-to-market, higher activation, scalable delivery as usage grows
Healthcare Mobile App Development
We build healthcare mobile apps for telemedicine, digital health, and HIMS companions, with mobile app development services focused on stable sessions, fast time-to-value, and clear roles. Delivery pairs UI/UX design for mobile with app QA and testing in retention-critical flows.
02
Who we work with
Telemedicine platforms
HIMS
Wellness Apps
Digital Health Products
Mobile workflows and interfaces we build
Clinical and
care workflows
Triage, task queues, handoffs, care coordination
Medical imaging companions
Navigation, viewing flows, precise interactions
Patient flows
Intake, scheduling, messaging, follow-ups
Multi-clinic access
Locations, providers, shared access, permissions
Mental health and wellness
Onboarding, sessions, progress, reminders
iOS and Android apps
App Store and Google Play release readiness
Outcome
Higher user adoption, lower workflow errors, lower support overhead
FinTech Mobile App Development
We build fintech app development for payments, banking, and investment products, where retention depends on clear transaction states, compliant onboarding, and fast daily workflows. Delivery pairs custom mobile application development with agile app development and mobile app consulting for regulated releases.
03
Who we work with
B2B FinTech
Payments Platforms
Digital Banking
Lending
Wealth Tools
Mobile workflows and interfaces we build
KYC and verification
Identity checks, documents, statuses, next steps
Payments and banking
Balances, transfers, limits, fees, confirmation states
Credit and lending
Applications, approvals, repayments, exception handling
Fraud and risk operations
Monitoring, reviews, audit-ready actions
Investment flows
Portfolio views, orders, performance, trade status updates
iOS and Android apps
App Store and Google Play release readiness
Wallet and blockchain flows
Signing, on-chain confirmations, retries
Outcome
Higher completion in regulated flows, fewer disputes, lower support load
MarTech Mobile App Development
We build mobile experiences for MarTech products where retention depends on fast data workflows, clear daily actions, and low support overhead. Delivery pairs mobile app development solutions with UI/UX design for mobile and app modernization for analytics-heavy releases.
04
Who we work with
CDPs
Marketing Automation Platforms
Loyalty Products
Creator Tools
Analytics Apps
Mobile workflows and interfaces we build
Mobile dashboards
Attribution, drill-downs, filters, export-ready views
Automation workflows
Journeys, triggers, approvals, rollout states
Experimentation flows
A/B setup, variants, results, decision screens
Content operations
Calendars, publishing states, collaboration history
Mobile ad operations
Campaigns, bidding, budgets, performance states
Multi-role workspaces
Ad accounts, permissions, approvals
Audience and segmentation
Rules, identity logic, membership updates
Outcome
Faster execution for marketing teams, higher feature-level retention, fewer routine tickets.

How We Deliver Mobile Apps

00

Pre-Call Audit

Before the first call, we review the app, core flows, crash signals, and product analytics. The conversation starts with context and clear inputs.

01

The First Call

We align on goals, constraints, platform scope (iOS/Android), and success metrics. You leave with a concrete next step and a realistic plan.

02

Flow and Release Scope

We map the retention-critical flows and define the smallest release that moves a measurable metric. The outcome is a prioritized scope tied to activation, retention, or completion.

03

Build and QA in Parallel

We implement the scope and run app QA and testing on real devices, keeping quality and progress visible as the product moves toward launch.

04

Launch Readiness

We prepare the app for launch: rollout plan, monitoring, and quality gates. You see exactly what’s ready, what’s next, and what’s shipping.

05

Post-Launch Support

We stay involved after launch, watching stability, speed, and key funnels, then shipping focused updates that strengthen retention and reduce support volume.

Make Mobile Retention Predictable

Crashes and slow screens shape retention in core flows. We develop mobile apps around the journeys that matter most, keeping quality consistent across releases.

5.0 avg rating

Testimonials

We’ve been working together for over 2 years. Since then, our webpage has been ranking high on Google and bringing us leads.

Anastasiya Shitikova
Anastasiya Shitikova
Head of Marketing

We’ve been working together for over 2 years. Since then, our webpage has been ranking high on Google and bringing us leads.

Anastasiya Shitikova

Head of Marketing

We got the website ready and out of the gate in record time! Darly helps us maintain and refine the website for SEO purposes.

Kavya Khattar
Kavya Khattar
Product Owner

We got the website ready and out of the gate in record time! Darly helps us maintain and refine the website for SEO purposes.

Kavya Khattar

Product Owner

The responsiveness, attention to detail and high-level communication from Darly Solutions was outstanding. Communication with the team was all online and was absolutely seamless. They were highly responsive, worked to tight deadlines and provided great feedback and communication throughout the entire project to ensure it remained on schedule and all quality requirements were being met. They exceeded all of our expectations, from design through to delivery.

Kieran Donovan
Kieran Donovan
Managing Director, Corporate Advisory Firm

The responsiveness, attention to detail and high-level communication from Darly Solutions was outstanding. Communication with the team was all online and was absolutely seamless. They were highly responsive, worked to tight deadlines and provided great feedback and communication throughout the entire project to ensure it remained on schedule and all quality requirements were being met. They exceeded all of our expectations, from design through to delivery.

Kieran Donovan

Managing Director, Corporate Advisory Firm

LLC Darly Solutions's team performs well since the collaboration started. They are fluent in specific programming languages, they are also fluent in English, and they have a great response time. What is most unique and impressive about Darly Solutions is that everyone in the team is inherently communicative and understands the expertise of their respective fields. The team is very agile and can predict stress situations in which we work together to fix and maintain.

Carol Arao
Carol Arao
Product Owner, Software Development Company

LLC Darly Solutions's team performs well since the collaboration started. They are fluent in specific programming languages, they are also fluent in English, and they have a great response time. What is most unique and impressive about Darly Solutions is that everyone in the team is inherently communicative and understands the expertise of their respective fields. The team is very agile and can predict stress situations in which we work together to fix and maintain.

Carol Arao

Product Owner, Software Development Company

Darly Solutions' work so far inspires confidence, as they're skilled and trustworthy. The health platform is incredibly happy with their work. The team at Darly is communicative, responsive, and responsible. I’d recommend them to people looking to do more than build a simple little software.

Jürgen Bröker
Jürgen Bröker
Executive Director, Healthcare Platform Co.

Darly Solutions' work so far inspires confidence, as they're skilled and trustworthy. The health platform is incredibly happy with their work. The team at Darly is communicative, responsive, and responsible. I’d recommend them to people looking to do more than build a simple little software.

Jürgen Bröker

Executive Director, Healthcare Platform Co.

By collaborating with Darly Solutions, there is a significant improvement in the project's quality of codes compared to their original codebase. They lead efficient project management and keep the client updated with their reports. They're a flexible team that delivers promising results. They don't just do as they're told, they actively participate in the design process, which is going to yield us a much better platform in the end.

PJ Fisher
PJ Fisher
Head of Tech, Software Consulting Firm

By collaborating with Darly Solutions, there is a significant improvement in the project's quality of codes compared to their original codebase. They lead efficient project management and keep the client updated with their reports. They're a flexible team that delivers promising results. They don't just do as they're told, they actively participate in the design process, which is going to yield us a much better platform in the end.

PJ Fisher

Head of Tech, Software Consulting Firm

Darly Solutions was able to develop the site with all functions running. The team was responsive throughout the engagement. They excelled at scheduling and delivered projects on the specified timeline. The whole team was a pleasure to work with. I am very glad that I entrusted them with my project, this is the best company for me!

Inna Netudikhata
Inna Netudikhata
CEO, Mama Travel

Darly Solutions was able to develop the site with all functions running. The team was responsive throughout the engagement. They excelled at scheduling and delivered projects on the specified timeline. The whole team was a pleasure to work with. I am very glad that I entrusted them with my project, this is the best company for me!

Inna Netudikhata

CEO, Mama Travel

The quality of their work is very high, and we get very good customer feedback on what our site looks like. They're very reliable and have a great overview of the technologies they're using. They meet our deadlines and are very accurate with their time estimations on a project. In addition, they're responsive and great with communication with a great command of English — it's very easy to talk to them. Moreover, we've integrated them into our development and scrum process, where we have daily stand-ups with their project manager and developers through Slack.

Felix Leontyev
Felix Leontyev
Head of Technology, PSS AG

The quality of their work is very high, and we get very good customer feedback on what our site looks like. They're very reliable and have a great overview of the technologies they're using. They meet our deadlines and are very accurate with their time estimations on a project. In addition, they're responsive and great with communication with a great command of English — it's very easy to talk to them. Moreover, we've integrated them into our development and scrum process, where we have daily stand-ups with their project manager and developers through Slack.

Felix Leontyev

Head of Technology, PSS AG

LLC Darly Solutions are highly skilled at UI/UX and follow very good engineering standards, and have been very professional in its approach to all the work to date (including the initial consultancy, which was the deciding factor). They have taken ownership of the work in way that demonstrates how much they value the work they are doing and consequently the work we are doing. I am gaining confidence that the decisions they make are good decisions and that this will result in a product that will exceed our initial expectations.

Gordon Lang
Gordon Lang
CTO, Vidina Solutions Ltd

LLC Darly Solutions are highly skilled at UI/UX and follow very good engineering standards, and have been very professional in its approach to all the work to date (including the initial consultancy, which was the deciding factor). They have taken ownership of the work in way that demonstrates how much they value the work they are doing and consequently the work we are doing. I am gaining confidence that the decisions they make are good decisions and that this will result in a product that will exceed our initial expectations.

Gordon Lang

CTO, Vidina Solutions Ltd

Darly Solutions developed the app in a quick manner, and the code quality was excellent. The professional team was committed to building a successful product. The code quality was good, and the app has been built in a little more than 1 month, which is a result I'm very happy with. They were laid back but professional at the same time.

Piotr Nowakowski
Piotr Nowakowski
Founder, 79 Characters, Inc.

Darly Solutions developed the app in a quick manner, and the code quality was excellent. The professional team was committed to building a successful product. The code quality was good, and the app has been built in a little more than 1 month, which is a result I'm very happy with. They were laid back but professional at the same time.

Piotr Nowakowski

Founder, 79 Characters, Inc.

Darly Solutions’ work helped my business tremendously. They were able to identify key areas for growth and improvement. The team was communicative and professional throughout the entire engagement. LLC Darly Solutions is a solutions-oriented vendor that drives results. They’re really professional and they know what they’re doing. The team knows how to identify my problems and solve them.

Maiza Simeon
Maiza Simeon
Founder, Food App Startup

Darly Solutions’ work helped my business tremendously. They were able to identify key areas for growth and improvement. The team was communicative and professional throughout the entire engagement. LLC Darly Solutions is a solutions-oriented vendor that drives results. They’re really professional and they know what they’re doing. The team knows how to identify my problems and solve them.

Maiza Simeon

Founder, Food App Startup

When You Need Mobile
App Development

Mobile app development becomes the next step when platforms, performance, and release cadence start deciding retention and growth.

When iOS and Android become two separate roadmaps

The same feature lands twice, timelines drift, users compare experiences across devices.
Release work doubles, delivery speed becomes the bottleneck, and mobile stops supporting your go‑to‑market pace.

When real-device performance decides retention

Core actions take longer on mid-range phones and unstable networks.
Time-to-value stretches, daily usage falls, support volume rises and paid acquisition becomes more expensive per active user.

When feature creep turns releases into long projects

Small requests stack into complex screens and expanding QA cycles.
Each update takes longer, costs more, and ships less.

When dependencies determine what ships

Payments, auth, analytics, and backend changes block mobile progress.
One missing integration delays the entire release.

When OS updates reshape the roadmap

New iOS/Android versions surface crashes and SDK rebuild work overnight.
Engineering time shifts from product delivery to platform recovery.

When security becomes part of the product

Mobile flows touch money, identity, and multi-role access every day.
Permissions and session design decide trust, compliance, and enterprise deals.

Other Services

FAQ

Here you'll find answers to the most common questions about our mobile app development services.
Didn’t find what you were looking for? Please contact us at a convenient time.
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Value and Service Format
Process and Collaboration
Research and Post-Launch Support
Daria Lalaiants
CEO at Darly Solutions

Speed Up Releases in Your App

Mobile app development solutions focused on the core user journey from first action to repeat use.
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