# Mental Math vs Safe Study AI

The clearest difference is in-app purchases: Safe Study AI at none against Mental Math's 2. Mental Math's advantage is ratings volume (6 vs 2). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Mental Math sells 2 in-app purchases, starting at $1.99 per month. Safe Study AI asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Mental Math against 5.0 for Safe Study AI. Both are backed by a comparable volume of ratings — 6 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | Mental Math | Safe Study AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/mental-math-flash-cards/id6742061226/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/safe-study-ai/id6787455763/reviews) |
| Number of ratings | **6** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Monetization | Freemium | **Free** |
| Size | 26 MB | 114 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Micah Davis](https://appshunter.io/developer/1796619249) | [UR FUTURE PATH INC](https://appshunter.io/developer/6787455765) |

## What reviewers say

### Mental Math

[App page](https://appshunter.io/ios/app/mental-math-flash-cards/id6742061226)

Master essential math facts through active learning and spaced repetition. This app uses cognitive science principles to help you retain addition, subtraction, multiplication, and division skills without distractions. Features include personalized review systems, progress tracking, and multiple student profiles.

**Highlights:** Active learning and spaced repetition, Optimized review system (Leitner Method), Adaptive feedback, Gameless gamification with instant rewards, Real progress tracking, Multiple student profiles

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro Yearly | $9.99 | per year |


### Safe Study AI

[App page](https://appshunter.io/ios/app/safe-study-ai/id6787455763)

This app transforms your study materials into interactive learning experiences using on-device AI. It scans documents, creates structured study guides, and offers an AI tutor chat, all while ensuring 100% privacy and offline functionality.

**Highlights:** Instant document scanning, Automatic smart study guides, Interactive AI tutor chat, 100% private and offline, On-device AI processing, Supports multilingual notes and formulas

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mental Math free?

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

### Is Safe Study AI free?

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

### Which has better reviews, Mental Math or Safe Study AI?

Mental Math and Safe Study AI are both rated 5.0 out of 5 on the App Store, from 6 and 2 ratings respectively.

### Do Mental Math or Safe Study AI have ads?

Neither Mental Math nor Safe Study 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.*