# Speed Reader vs (Open Source) Mental Math

The clearest difference is in-app purchases: (Open Source) Mental Math at none against Speed Reader's 1. (Open Source) Mental Math also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Speed Reader sells 1 in-app purchase, starting at $3.99 per 7 days. (Open Source) Mental Math asks for nothing beyond the download.

## The numbers

| Metric | Speed Reader | (Open Source) Mental Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/open-source-mental-math/id6788418444/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | — | Every 5 weeks |
| Monetization | — | Free |
| Size | 59 MB | 41 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KEVKIN INNOVATIONS LLP](https://appshunter.io/developer/6781707304) | [AHMET EMRE DEDELER](https://appshunter.io/developer/1870913629) |

## What reviewers say

### Speed Reader

[App page](https://appshunter.io/ios/app/speed-reader-rsvp-read-faster/id6781707302)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $3.99 | per 7 days |


### (Open Source) Mental Math

[App page](https://appshunter.io/ios/app/open-source-mental-math/id6788418444)

This application offers a free, open-source platform for practicing mental arithmetic. It features timed tests, custom drills, and a comprehensive library of mental math tricks. All content is available offline without ads or paywalls.

**Highlights:** Timed arithmetic tests, Customizable drills, Mental math tricks library, Offline progress tracking, Multiple operation types, Fast session interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Speed Reader free?

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

### Is (Open Source) Mental Math free?

(Open Source) Mental Math is free to download, with no in-app purchases.

### Do Speed Reader or (Open Source) Mental Math have ads?

Speed Reader shows ads; (Open Source) Mental Math does not.

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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.*