# Flashback vs LeitnerAI

The clearest difference is in-app purchases: LeitnerAI at none against Flashback's 3. LeitnerAI also leads on device support (3 vs 1) and iOS requirement (16.0 vs 18.0). Flashback's advantage is update cadence (every 6 days vs every 3 weeks). On price and ads there is nothing between them.

Both are free to download. Flashback sells 3 in-app purchases, starting at $0.99 per month. LeitnerAI asks for nothing beyond the download.

Flashback ships an update every 6 days, LeitnerAI every 3 weeks. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Flashback | LeitnerAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (8 ratings)](https://appshunter.io/ios/app/leitnerai-simple-anki/id6755983344/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Monetization | — | Free |
| Size | 2 MB | 5 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Strawlight Software Ltd](https://appshunter.io/developer/1733762901) | [Amir Faghihi](https://appshunter.io/developer/1857837795) |

## What reviewers say

### Flashback

[App page](https://appshunter.io/ios/app/flashback-flashcard-app/id6478720830)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flashback Premium | $0.99 | per month |
| Flashback Premium | $7.99 | per year |
| Flashback Premium | $3.99 | one-time |


### LeitnerAI

[App page](https://appshunter.io/ios/app/leitnerai-simple-anki/id6755983344)

This application uses the Leitner system to help users learn and memorize vocabulary. Words are sorted into boxes based on mastery, with AI assisting in creating an optimal learning path. It focuses on efficient study by prioritizing difficult words.

**Highlights:** Leitner system for spaced repetition, Vocabulary memorization, AI-generated learning paths, Progress tracking through study boxes, Focus on difficult words

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Flashback free?

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

### Is LeitnerAI free?

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

### Do Flashback or LeitnerAI have ads?

Neither Flashback nor LeitnerAI shows ads.

### Which is updated more often, Flashback or LeitnerAI?

Flashback ships an update every 6 days, and LeitnerAI every 3 weeks. Most recently, Flashback was updated on October 27, 2026 and LeitnerAI on October 28, 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.*