# LeitnerAI vs CardJet

The clearest difference is update cadence: CardJet at every 6 days against LeitnerAI's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

LeitnerAI ships an update every 3 weeks, CardJet every 6 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | LeitnerAI | CardJet |
| --- | --- | --- |
| 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 | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | Free | — |
| Size | 5 MB | 10 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Amir Faghihi](https://appshunter.io/developer/1857837795) | [Ulugbek Asrokulov](https://appshunter.io/developer/1896609849) |

## What reviewers say

### 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


### CardJet

[App page](https://appshunter.io/ios/app/cardjet/id6799062360)

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

**In-app purchases:** none


## Frequently asked questions

### Is LeitnerAI free?

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

### Is CardJet free?

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

### Do LeitnerAI or CardJet have ads?

Neither LeitnerAI nor CardJet shows ads.

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

LeitnerAI ships an update every 3 weeks, and CardJet every 6 days. Most recently, LeitnerAI was updated on October 30, 2026 and CardJet 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.*