iOS & Android App Design and Development Agency | Zaid
iOS & Android app studioiOSAndroid

Apps people +keep using.

What we do

We design and build native-feeling apps for iPhone and Android, then get them found in the App Store and Google Play.

From the first sketch to the store listing: product strategy, UX, interface design that follows Apple's and Google's guidelines, native or cross-platform development, testing, release and updates.

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One app, two platforms

Same app. Two native feels.

Drag the handle across the phone. Left of the line is iPhone, right is Android. Same features, built to each platform's rules.

Large titleBig, bold page title. Back button top left.
Grouped cardsInset lists, SF type, segmented control.
Tab barTab bar with labels, active in system blue.
Top app barMenu, title and avatar in one bar.
Chips, tonal card + FABFilter chips, Material surfaces, floating action button.
Navigation barPill indicator behind the active icon.
9:41
AccountsAM
Spending
October▼ 12% vs Sep
$2,480.36
WM6MY
Recent
BBlue Bottle CoffeeToday, 8:42 AM−$6.25
WWhole Foods MarketYesterday−$84.12
UUberMon, 11:20 PM−$18.40
APayroll · Acme IncOct 1+$4,250.00
SummarySpendingCardsAccount
9:41
SpendingAM
MonthWeekYear
October
$2,480.36
↓ 12% vs September
Recent transactions
BBlue Bottle CoffeeToday, 8:42 AM−$6.25
WWhole Foods MarketYesterday−$84.12
UUberMon, 11:20 PM−$18.40
APayroll · Acme IncOct 1+$4,250.00
HomeSpendingCardsAccount
⟷
What you don't see

The app is the tip.

What people tap is about a tenth of the work. Below the surface sit the research, direction, flows and testing that decide whether anyone keeps it.

What users see · 10% Surface
Depth
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Under the surface
Our expertise
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Expertise

App strategy

Know what to build first.

Most apps fail by doing too much too soon. We define the one job your app does better than anything else, who it is for, and a roadmap that ships a focused first version fast.

Product and user research
Feature priorities and MVP scope
Roadmap and release plan
Monetisation: subscriptions, in-app, ads
App roadmap2026 · iOS + Android
4 releases
Q1Q2Q3
MVPSign-up, core flow, payments
Live
v1.1Notifications, widgets
Beta
v1.2Offline, Watch / Wear OS
Design
v2Subscriptions, sharing
Next
Today
MVP live in both stores
Expertise

UX & prototyping

Test the app before it is built.

We map every flow, from onboarding to checkout, then turn it into a clickable prototype you can put in real people's hands. Problems get fixed on screen, not in code.

User flows and information architecture
Wireframes for every key screen
Clickable prototype
Usability testing and fixes
Onboarding · Wireframe → UI → Prototype▶︎ Play
1 · Wireframe
IMAGE
Button
2 · UI designP
This week$482
Money, sorted.Budgets that keep up with you.Get started
3 · PrototypeP
This week$482
Money, sorted.Budgets that keep up with you.Get startedTap → Sign up
Clickable prototypeUser flowsWireframesUser testing
Expertise

iOS apps

Built for iPhone, the way Apple intends.

Native iOS apps in Swift and SwiftUI that follow Apple's Human Interface Guidelines: large titles, bottom tab bars, Face ID, widgets and Apple Pay, so it feels right from the first tap.

Swift and SwiftUI development
Human Interface Guidelines design
Widgets, Face ID, Apple Pay, HealthKit
TestFlight beta and App Store review
9:41
Thursday 14 OctSummaryJS
Spent this week
$482.10
MTWTFSS
GGroceriesToday$64.20
TTransitYesterday$12.50
SStreamingMon$9.99
SummaryBudgetsCardsSettings
Face IDApple Pay · Done
Pocket$1,218left this month
SwiftSwiftUIWidgetsApple PayHealthKit
Expertise

Android apps

Built for Android, the way Google intends.

Native Android apps in Kotlin and Jetpack Compose, designed with Material 3: top app bars, floating action buttons and dynamic colour, tested across the screen sizes people actually own.

Kotlin and Jetpack Compose development
Material 3 design
Google Pay, widgets, notifications
Testing across devices and screen sizes
9:41
BudgetsJS
OctoberSeptember
Left to spend
$1,218
of $2,400 · 17 days left
Food$432 / $600
Transport$96 / $240
Fun$150 / $200
+New budget
HomeBudgetsCardsProfile
Pocket · nowYou're 80% through your Food budget
KotlinJetpack ComposeMaterial 3Google PayWidgets
Expertise

Cross-platform

One codebase. Both stores.

When speed and budget matter, we build once in React Native or Flutter and ship to iPhone and Android together, while still respecting each platform's look and feel.

React Native or Flutter
Shared code, native-feeling UI
Backend, sign-in and payments
Analytics and crash reporting
App.tsx→iOS+Android
9:41
Thursday 14 OctSummaryJS
Spent this week
$482.10
MTWTFSS
GGroceriesToday$64.20
TTransitYesterday$12.50
SStreamingMon$9.99
SummaryBudgetsCardsSettings
9:41
BudgetsJS
OctoberSeptember
Left to spend
$1,218
of $2,400 · 17 days left
Food$432 / $600
Transport$96 / $240
Fun$150 / $200
+New budget
HomeBudgetsCardsProfile
React NativeFlutterExpoFirebase
Expertise

Launch & ASO

Get found in the App Store and Google Play.

Most people decide from the icon, the first screenshots and one line of copy. We design both store listings, handle release, and keep improving ratings and rankings after launch.

App Store and Google Play listings
Icon, screenshots and preview video
App store optimisation (ASO)
Release, updates and ratings
PPocket: Budget PlannerApp Store · ★ 4.8GET
PPocket: Budget PlannerGoogle Play · ★ 4.8Install
See every dollar.
$2,480
MTWTFSS
Goals in 30 seconds.
Trip to Lisbon62%New laptop30%Rainy day88%
Share with family.
Groceries$64Rent$1,200
#3 in FinanceEditors' pick

Half your users are on iPhone. Half are on Android. Both expect it to feel native.

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Rounded figures from third-party research. Not Zaid client results.

Apps, answered.

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Let’s talk apps

Ship it
native.

A 30-minute call. Bring your idea or your current app, and we'll map the fastest way to a version people keep.

  • 30 minutes with a senior app lead
  • Bring an idea, a prototype or a live app
  • A clear plan for iOS, Android or both