# SOSmaths vs Lurai AI

The clearest difference is in-app purchases: SOSmaths at none against Lurai AI's 3. SOSmaths also leads on iOS requirement (11.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Lurai AI sells 3 in-app purchases, starting at $9.99 per 7 days. SOSmaths asks for nothing beyond the download.

## The numbers

| Metric | SOSmaths | Lurai AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lurai-ai-learn-recall-apply/id6753128406/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | — |
| Monetization | — | Free with in-app purchases |
| Size | 78 MB | 50 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DEUSE](https://appshunter.io/developer/1291290064) | [LangChill, LLC](https://appshunter.io/developer/1785278589) |

## What reviewers say

### SOSmaths

[App page](https://appshunter.io/ios/app/sosmaths/id1483450176)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lurai AI

[App page](https://appshunter.io/ios/app/lurai-ai-learn-recall-apply/id6753128406)

This app transforms documents, podcasts, and recordings into organized notes. It enhances understanding and recall through guided learning tools like quizzes and flashcards, utilizing proven methods for long-term memory retention.

**Highlights:** Automated note-taking from audio/documents, Guided learning tools (quizzes, flashcards), Feynman Technique for understanding, Active recall and spaced repetition, AI chatbot for homework help, Translate content into organized notes

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lurai Premium Weekly | $9.99 | per 7 days |
| Lurai Premium Monthly | $19.00 | per month |
| Lurai Premium Annual | $129.00 | per year |


## Frequently asked questions

### Is SOSmaths free?

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

### Is Lurai AI free?

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

### Do SOSmaths or Lurai AI have ads?

Neither SOSmaths nor Lurai AI shows ads.

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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.*