# StudyLess vs retention+

The clearest difference is in-app purchases: StudyLess at none against retention+'s 10. StudyLess also leads on iOS requirement (15.1 vs 17.6). retention+'s advantage is update cadence (every 4 days vs weekly). On price, ads and device support there is nothing between them.

Both are free to download. retention+ sells 10 in-app purchases, starting at $0.99 per month. StudyLess asks for nothing beyond the download.

StudyLess ships an update weekly, retention+ every 4 days. The most recent releases landed on October 1, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | StudyLess | retention+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Size | 82 MB | 23 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mingeon Kim](https://appshunter.io/developer/1860776526) | [WONYEONG NA](https://appshunter.io/developer/6783655961) |

## What reviewers say

### StudyLess

[App page](https://appshunter.io/ios/app/studyless-ai-flashcard-maker/id6756468628)

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

**In-app purchases:** none


### retention+

[App page](https://appshunter.io/ios/app/retention-plus/id6783655959)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| retention+ 월간 구독 | $0.99 | per month |
| retention+ 연간 구독 | $9.99 | per year |
| Developer Support I | $0.49 | one-time |
| Developer Support II | $1.99 | one-time |
| Developer Support III | $2.99 | one-time |
| Developer Support IV | $5.99 | one-time |
| Developer Support V | $9.99 | one-time |
| Developer Support VI | $17.99 | one-time |
| Developer Support VII | $34.99 | one-time |
| Developer Support VIII | $69.99 | one-time |


## Frequently asked questions

### Is StudyLess free?

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

### Is retention+ free?

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

### Do StudyLess or retention+ have ads?

Neither StudyLess nor retention+ shows ads.

### Which is updated more often, StudyLess or retention+?

StudyLess ships an update weekly, and retention+ every 4 days. Most recently, StudyLess was updated on October 1, 2026 and retention+ on October 10, 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.*