# Dona App vs Retent

The clearest difference is in-app purchases: Dona App at none against Retent's 2. Retent's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Retent sells 2 in-app purchases, starting at $6.99 per month. Dona App asks for nothing beyond the download.

Dona App ships an update every 2 weeks, Retent every 9 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Dona App | Retent |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Size | 60 MB | 27 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 9+ |
| Developer | [DENIS ROSEN DASKALOV](https://appshunter.io/developer/1828996058) | [Kristiyan Grigorov](https://appshunter.io/developer/1885305370) |

## What reviewers say

### Dona App

[App page](https://appshunter.io/ios/app/dona-app/id6749165485)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Retent

[App page](https://appshunter.io/ios/app/retent-learn-and-remember/id6760609613)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Retent Unlimited Monthly | $6.99 | per month |
| Retent Unlimited Yearly | $39.99 | per year |


## Frequently asked questions

### Is Dona App free?

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

### Is Retent free?

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

### Do Dona App or Retent have ads?

Dona App shows ads; Retent does not.

### Which is updated more often, Dona App or Retent?

Dona App ships an update every 2 weeks, and Retent every 9 days. Most recently, Dona App was updated on October 28, 2026 and Retent 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.*