# RiddleSum vs Mathify

The clearest difference is in-app purchases: Mathify at none against RiddleSum's 1. Mathify also leads on ads (none vs shown). RiddleSum's advantage is iOS requirement (16.0 vs 18.6). On price, update cadence and device support there is nothing between them.

Both are free to download. RiddleSum sells 1 one-off in-app purchase. Mathify asks for nothing beyond the download.

RiddleSum ships an update every 2 months, Mathify every 5 weeks. The most recent releases landed on October 2, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | RiddleSum | Mathify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (10 ratings)](https://appshunter.io/ios/app/riddlesum-math-puzzle/id6474078443/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Ad-supported | — |
| Size | 20 MB | 24 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dmitriy Romanov](https://appshunter.io/developer/689955162) | [Sulton Gafurov](https://appshunter.io/developer/1869050446) |

## What reviewers say

### RiddleSum

[App page](https://appshunter.io/ios/app/riddlesum-math-puzzle/id6474078443)

This number puzzle game challenges you to balance rows and columns by selecting the correct numbers. It offers a relaxing, clean design with hundreds of handcrafted puzzles to sharpen logic and mental math skills at your own pace.

**Highlights:** Hundreds of handcrafted puzzles, Clean and minimal design, Helpful hints, No timers, solve at your own pace, Daily brain workout, Logic and mental math training

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### Mathify

[App page](https://appshunter.io/ios/app/mathify-math-puzzle-games/id6766926413)

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

**In-app purchases:** none


## Frequently asked questions

### Is RiddleSum free?

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

### Is Mathify free?

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

### Do RiddleSum or Mathify have ads?

RiddleSum shows ads; Mathify does not.

### Which is updated more often, RiddleSum or Mathify?

RiddleSum ships an update every 2 months, and Mathify every 5 weeks. Most recently, RiddleSum was updated on October 2, 2026 and Mathify on September 29, 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.*