# IGNIFY vs (Open Source) Mental Math

The clearest difference is update cadence: IGNIFY at every 2 weeks against (Open Source) Mental Math's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IGNIFY ships an update every 2 weeks, (Open Source) Mental Math every 5 weeks. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | IGNIFY | (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 | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | — | Free |
| Size | 112 MB | 41 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Allamyrat Tuyliyev Tuyliyev](https://appshunter.io/developer/1796438606) | [AHMET EMRE DEDELER](https://appshunter.io/developer/1870913629) |

## What reviewers say

### IGNIFY

[App page](https://appshunter.io/ios/app/ignify/id6765717363)

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

**In-app purchases:** none


### (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 IGNIFY free?

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

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

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

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

Neither IGNIFY nor (Open Source) Mental Math shows ads.

### Which is updated more often, IGNIFY or (Open Source) Mental Math?

IGNIFY ships an update every 2 weeks, and (Open Source) Mental Math every 5 weeks. Most recently, IGNIFY was updated on October 7, 2026 and (Open Source) Mental Math on October 6, 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.*