Growth Audit · October 2026

Calculator Plus

Five ideas to unlock more revenue from the traffic you already have.

Prepared for DigitAlchemy by Adapty · based on your live iOS flow and your App Store listing
30,000+apps run subscriptions
on Adapty
5ideas, each rebuilt
as a working screen
0design changes
to your art direction
Built in Adapty Flow Builder

Millions of dollars in subscription revenue pass through Flow Builder every month.

Nearly 500 apps actively build their paywalls and onboarding in it — plenty of them past $100K MRR.

What this is

We opened Calculator Plus the way a new user does, then rebuilt the parts we think are leaving money on the table.

Adapty powers subscriptions for 30,000+ apps, so we get to see what actually moves conversion and ARPU across the market rather than inside one app. We pointed that at Calculator Plus: installed it, went through the first screens, read your App Store listing and screenshots, and looked for gaps between what you already have and what you currently show people.

What follows is five ideas — not fifteen. Each one is a hypothesis you can A/B test, and each one is built into a clickable prototype so you can see it rather than imagine it. The prototype uses your design, not ours.

We did not redesign your app

Every screen in the prototype is yours — your brushed-metal keypad and blue display, your plan tiles and Save 60% badge, your tracking screen. Only the order changed, plus a few things you already own but do not show at the right moment. This is not a design pitch.

You may have tested some of this

We are working from the outside, so we cannot see your experiment history. If one of these is something you have already run, tell us — we will go deeper on the rest rather than repeat it.

The five ideas

Ranked by what we would test first.

Each one links straight to the screen in the prototype.

Potential outcome

Run together, these five change three moments: what a new user sees first, what the paywall says to them, and what happens when they say no.

+25%CR to purchase
+30%ARPU
QR code for the prototypeOr open it on your phoneScan to try the flow in your hand.
Impact ranges are Adapty's expected effect from teardowns and A/B tests across subscription apps — not measured lift for Calculator Plus. Every price, rating, press logo and feature line here and in the prototype comes from Calculator Plus’s own App Store listing, App Store screenshots and in-app screens.
9:41
Calculator Plus

Calculator Plus PRO

★★★★★
NBC, ABC, Good Morning America, Gizmodo, GeekWire

CALCULATORPLUS

Jump to any screen — answers already filled in.

QR code for this prototypeOpen it on your phoneScan to try the flow in your hand.