# RatioRoll vs Eternity Studio Pro

The clearest difference is in-app purchases: Eternity Studio Pro at none against RatioRoll's 1. Eternity Studio Pro also leads on device support (3 vs 1). RatioRoll's advantage is update cadence (every 3 days vs weekly). On price, ads and iOS requirement there is nothing between them.

Both are free to download. RatioRoll sells 1 in-app purchase, starting at $1.99 per 7 days. Eternity Studio Pro asks for nothing beyond the download.

RatioRoll ships an update every 3 days, Eternity Studio Pro weekly. Both last shipped on October 31, 2026.

## The numbers

| Metric | RatioRoll | Eternity Studio Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Size | 5 MB | 459 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [H3llo H3llo Ltd](https://appshunter.io/developer/1873014092) | [Fung YING lung](https://appshunter.io/developer/6785930059) |

## What reviewers say

### RatioRoll

[App page](https://appshunter.io/ios/app/ratioroll-dual-format-camera/id6766017618)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RatioRoll Pro Weekly | $1.99 | per 7 days |


### Eternity Studio Pro

[App page](https://appshunter.io/ios/app/eternity-studio-pro-raw/id6797369446)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RatioRoll free?

RatioRoll is free to download, with in-app purchases available.

### Is Eternity Studio Pro free?

Eternity Studio Pro is free to download, with no in-app purchases.

### Do RatioRoll or Eternity Studio Pro have ads?

Neither RatioRoll nor Eternity Studio Pro shows ads.

### Which is updated more often, RatioRoll or Eternity Studio Pro?

RatioRoll ships an update every 3 days, and Eternity Studio Pro weekly. Most recently, RatioRoll was updated on October 31, 2026 and Eternity Studio Pro on October 31, 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.*