# Mathify Mental Math vs Sums

The clearest difference is in-app purchases: Mathify Mental Math at none against Sums's 2. Mathify Mental Math also leads on device support (3 vs 1). Sums's advantage is ads (none vs shown) and update cadence (every 4 days vs fortnightly). On price and iOS requirement there is nothing between them.

Both are free to download. Sums sells 2 in-app purchases, starting at $4.99 per 7 days. Mathify Mental Math asks for nothing beyond the download.

Mathify Mental Math ships an update fortnightly, Sums every 4 days. The most recent releases landed on September 18, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Mathify Mental Math | Sums |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mathify-mental-math/id6742114761/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Ad-supported | — |
| Size | 42 MB | 61 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Vladyslav Nevinchanyi](https://appshunter.io/developer/1796896776) | [Gleb Matsko](https://appshunter.io/developer/6772153044) |

## What reviewers say

### Mathify Mental Math

[App page](https://appshunter.io/ios/app/mathify-mental-math/id6742114761)

Enhance your mental math abilities with this comprehensive practice app. It offers various operations, customizable workouts, and detailed progress tracking for users of all ages. Train offline and improve your speed and accuracy in arithmetic.

**Highlights:** Comprehensive mental math practice, Offline access, Engaging workouts, Customizable training, Manual answer entry, Detailed statistics, Progress history

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

**In-app purchases:** none


### Sums

[App page](https://appshunter.io/ios/app/sums-mental-math-practice/id6794615479)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $4.99 | per 7 days |
| Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is Mathify Mental Math free?

Mathify Mental Math is free to download, with no in-app purchases.

### Is Sums free?

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

### Do Mathify Mental Math or Sums have ads?

Mathify Mental Math shows ads; Sums does not.

### Which is updated more often, Mathify Mental Math or Sums?

Mathify Mental Math ships an update fortnightly, and Sums every 4 days. Most recently, Mathify Mental Math was updated on September 18, 2026 and Sums on September 24, 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.*