# rls vs Avorio

The clearest difference is in-app purchases: rls at none against Avorio's 7. rls also leads on iOS requirement (13.0 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Avorio sells 7 in-app purchases, starting at $3.99 per month. rls asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. Both last shipped on October 9, 2026.

## The numbers

| Metric | rls | Avorio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/avorio/id6768092389/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | — | Freemium |
| Size | 47 MB | 187 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mohamed Omar](https://appshunter.io/developer/1705773928) | [Cognifer Labs LLC](https://appshunter.io/developer/1896538273) |

## What reviewers say

### rls

[App page](https://appshunter.io/ios/app/rls-edu/id6464329311)

**Features:** macOS Compatibility

**In-app purchases:** none


### Avorio

[App page](https://appshunter.io/ios/app/avorio/id6768092389)

This app uses an advanced spaced repetition algorithm to help you study more effectively and remember information longer. It offers AI-powered card creation, offline functionality, and various study formats like cloze deletions and image occlusion. Gamified elements encourage consistent study habits.

**Highlights:** Advanced FSRS-5 scheduling algorithm, AI-powered card creation from notes, Offline functionality, Cloze deletions, image occlusion, LaTeX, Anki import, Gamified learning with streaks and XP, Optional cloud sync

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Avorio Basic | $3.99 | per month |
| Avorio Pro | $8.99 | per month |
| Avorio Max | $19.99 | per month |
| Avorio Basic Yearly | $39.99 | per year |
| Avorio Pro (Yearly) | $89.99 | per year |
| Avorio Max (Yearly) | $199.99 | per year |
| Avorio AI: Top-up (1m) | $4.99 | one-time |


## Frequently asked questions

### Is rls free?

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

### Is Avorio free?

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

### Do rls or Avorio have ads?

Neither rls nor Avorio shows ads.

### Which is updated more often, rls or Avorio?

rls ships an update every 2 weeks, and Avorio every 2 weeks. Most recently, rls was updated on October 9, 2026 and Avorio on October 9, 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.*