# StudiFoca vs Retain

The clearest difference is in-app purchases: Retain at none against StudiFoca's 1. Retain also leads on iOS requirement (16.4 vs 18.5). On price, ads and device support there is nothing between them.

Both are free to download. StudiFoca sells 1 one-off in-app purchase. Retain asks for nothing beyond the download.

## The numbers

| Metric | StudiFoca | Retain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Size | 12 MB | 43 MB |
| Requires iOS | 18.5 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Bacil Warren](https://appshunter.io/developer/990505871) | [HonestyVision](https://appshunter.io/developer/1804536258) |

## What reviewers say

### StudiFoca

[App page](https://appshunter.io/ios/app/studifoca/id6751607141)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Load | $9.99 | one-time |


### Retain

[App page](https://appshunter.io/ios/app/retain-revision-tracker/id6799671289)

**In-app purchases:** none


## Frequently asked questions

### Is StudiFoca free?

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

### Is Retain free?

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

### Do StudiFoca or Retain have ads?

Neither StudiFoca nor Retain shows ads.

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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.*