# Aspect Ratio Pro vs Scroll

The clearest difference is price: Scroll at Free against Aspect Ratio Pro's $3.99. Aspect Ratio Pro's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On in-app purchases, device support and iOS requirement there is nothing between them.

Scroll is free to download; Aspect Ratio Pro costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Aspect Ratio Pro ships an update every 3 weeks, Scroll every 2 months. The most recent releases landed on September 29, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Aspect Ratio Pro | Scroll |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/aspect-ratio-pro/id6747417099/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Paid | — |
| Size | 42 MB | 7 MB |
| Requires iOS | 18.6 | **17.6** |
| Devices | **iPhone, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [App ahead GmbH](https://appshunter.io/developer/955848754) | [Ciao Apps](https://appshunter.io/developer/1782412862) |

## What reviewers say

### Aspect Ratio Pro

[App page](https://appshunter.io/ios/app/aspect-ratio-pro/id6747417099)

This app helps you quickly solve for an unknown value in a proportion. Simply input three known numbers, and it will calculate the fourth, making ratio and proportion calculations effortless.

**Highlights:** Rule of three calculations, Instant fourth value calculation, Ratio and proportion solver, Intuitive input interface, Supports iPhone and Mac

**In-app purchases:** none


### Scroll

[App page](https://appshunter.io/ios/app/scroll-read-later/id6748611211)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Aspect Ratio Pro free?

Aspect Ratio Pro costs $3.99, with no in-app purchases.

### Is Scroll free?

Scroll is free to download, with no in-app purchases.

### Do Aspect Ratio Pro or Scroll have ads?

Scroll shows ads; Aspect Ratio Pro does not.

### Which is updated more often, Aspect Ratio Pro or Scroll?

Aspect Ratio Pro ships an update every 3 weeks, and Scroll every 2 months. Most recently, Aspect Ratio Pro was updated on September 29, 2026 and Scroll on September 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*