Subscription-first iOS studio · Hong Kong

Apps built to earn
their renewal.

Subscription Data designs and ships iOS products where the experience, the paywall and the numbers are one piece of work — so people subscribe, stay and come back month after month.

Start a Project What we do
Subscription analytics dashboard with renewal curve, trial conversion and paywall preview
Swift-nativeStoreKit 2 under the hood
Design → DataOne team, one accountable loop
Full ownershipCode, IP and dashboards are yours
Services

Everything a subscription app needs to live well

01

iOS Product Development

iPhone and iPad apps written in Swift and SwiftUI — quick to open, careful with battery, and at home with widgets, notifications and the rest of the platform.

02

Paywall & Pricing Design

Trials, plans and placement mapped to how your users actually decide. We design paywalls that read as an honest offer, then keep tuning them with live experiments.

03

StoreKit 2 & Billing

Purchases, upgrades, offers and refunds implemented on Apple's modern billing stack — receipts verified server-side and entitlements that never drift out of sync.

04

Retention & Lifecycle

Onboarding that reaches the "aha" fast, habit loops that give people a reason to return, and win-back moments placed before cancellation, not after it.

05

Revenue Analytics

Dashboards for trial conversion, churn, LTV and cohort health — wired into the app from the first build, so every release can be judged by what it changed.

06

Backends & Sync

The quiet machinery behind a good app: accounts, cloud sync, push and server logic that stays fast at ten users or ten hundred thousand.

Process

From idea to a healthy renewal curve

Every engagement follows the same honest loop. You see the plan, the build and the numbers at each step — nothing disappears into a studio black box.

  1. Model the business

    Before any code, we model your pricing, market and unit economics — so we agree on what "working" looks like in numbers, not adjectives.

  2. Design the journey

    Flows from first open to first renewal, prototyped and tested on real devices. The paywall is designed with the product, never bolted on.

  3. Build and instrument

    Weekly builds in TestFlight with analytics wired into every release. Clean architecture, automated tests, no surprises at review time.

  4. Launch, measure, tune

    After the App Store release we watch cohorts, run pricing and paywall experiments, and keep improving the metrics that pay the bills.

Stack

Tools we reach for daily

Swift SwiftUI StoreKit 2 RevenueCat TestFlight Node.js PostgreSQL Firebase AWS A/B Testing
About

The studio that reads the dashboards it builds

Subscription Data Limited started with a plain observation: most app studios hand over an app; almost none stay accountable for whether it earns. We built our whole practice around that gap.

From our base in Tsim Sha Tsui, Hong Kong, a compact senior team takes products from first model to App Store — and then keeps working the renewal curve with you. The people who design your paywall are the ones who answer for its conversion rate.

  • Senior-only team — no juniors learning on your budget
  • Honest monetization: value first, dark patterns never
  • Success measured in retention, not deliverables
  • Your code, your data, your IP — in writing
iPhone showing a paywall next to cohort retention charts
Contact

Tell us about your app

Write a few lines below — we reply within one business day with real thoughts, not a sales script.