# Rumina vs Cat AI

The clearest difference is in-app purchases: Cat AI at none against Rumina's 5. Cat AI also leads on iOS requirement (15.1 vs 18.0). Rumina's advantage is update cadence (every 6 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Rumina sells 5 in-app purchases, starting at $19.99 per month. Cat AI asks for nothing beyond the download.

Rumina ships an update every 6 days, Cat AI every 4 months. Both last shipped on October 31, 2026.

## The numbers

| Metric | Rumina | Cat AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/rumina-visual-ai-tutor/id6767884913/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 4 months |
| Monetization | Freemium | — |
| Size | 182 MB | 59 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Remis Information Technology Co., Ltd.](https://appshunter.io/developer/6802556146) | [Abdelrahman Hassan](https://appshunter.io/developer/6773110949) |

## What reviewers say

### Rumina

[App page](https://appshunter.io/ios/app/rumina-visual-ai-tutor/id6767884913)

Transform your curiosity into structured learning paths. This app helps you explore complex ideas and decisions by creating visual explanations with narration. It's designed for anyone seeking deeper understanding beyond simple answers.

**Highlights:** Start with everyday questions, Explore question maps, Create visual explanations, Listen to narrated content, Ask follow-up questions, Turn confusion into clarity

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lucue Pro Monthly | $19.99 | per month |
| Lucue Pro Yearly | $149.99 | per year |
| 500 Stars | $6.99 | one-time |
| 2,000 Stars | $24.99 | one-time |
| 5,000 Stars | $59.99 | one-time |


### Cat AI

[App page](https://appshunter.io/ios/app/cat-ai-ai-learning-platform/id6773110947)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rumina free?

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

### Is Cat AI free?

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

### Do Rumina or Cat AI have ads?

Neither Rumina nor Cat AI shows ads.

### Which is updated more often, Rumina or Cat AI?

Rumina ships an update every 6 days, and Cat AI every 4 months. Most recently, Rumina was updated on October 31, 2026 and Cat 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.*