# AI Flashcards vs Octo AI

The clearest difference is update cadence: Octo AI at every 4 days against AI Flashcards's every 2 months. Octo AI also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. AI Flashcards sells 2 in-app purchases, starting at $4.99 per month and Octo AI sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AI Flashcards ships an update every 2 months, Octo AI every 4 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | AI Flashcards | Octo AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 10 MB | 58 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gustavo Silva](https://appshunter.io/developer/1860372546) | [CENGIZHAN ERTURAN](https://appshunter.io/developer/6803370468) |

## What reviewers say

### AI Flashcards

[App page](https://appshunter.io/ios/app/ai-flashcards-lembra/id6756965659)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lembra Pro Monthly | $4.99 | per month |
| Lembra Pro Yearly | $29.99 | per year |


### Octo AI

[App page](https://appshunter.io/ios/app/octo-ai-video-problem-solver/id6803370466)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Octo AI Pro - Weekly | $4.99 | per 7 days |
| Octo AI Pro - Monthly | $12.99 | per month |


## Frequently asked questions

### Is AI Flashcards free?

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

### Is Octo AI free?

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

### Do AI Flashcards or Octo AI have ads?

Neither AI Flashcards nor Octo AI shows ads.

### Which is updated more often, AI Flashcards or Octo AI?

AI Flashcards ships an update every 2 months, and Octo AI every 4 days. Most recently, AI Flashcards was updated on October 25, 2026 and Octo AI 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.*