# СмарТест vs Retent

The clearest difference is in-app purchases: СмарТест at none against Retent's 2. Retent's advantage is update cadence (weekly vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Retent sells 2 in-app purchases, starting at $9.99 per month. СмарТест asks for nothing beyond the download.

СмарТест ships an update every 5 weeks, Retent weekly. The most recent releases landed on November 12, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | СмарТест | Retent |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (8 ratings)](https://appshunter.io/ios/app/id6473777435/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 4.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Size | 4 MB | 27 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [СмарТест-БГ](https://appshunter.io/developer/1719769086) | [Kristiyan Grigorov](https://appshunter.io/developer/1885305370) |

## What reviewers say

### СмарТест

[App page](https://appshunter.io/ios/app/id6473777435)

**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 | $9.99 | per month |
| Retent Unlimited Yearly | $49.99 | per year |


## Frequently asked questions

### Is СмарТест free?

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

### Is Retent free?

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

### Do СмарТест or Retent have ads?

Neither СмарТест nor Retent shows ads.

### Which is updated more often, СмарТест or Retent?

СмарТест ships an update every 5 weeks, and Retent weekly. Most recently, СмарТест was updated on November 12, 2026 and Retent on November 13, 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.*