# NumChain vs Mind Math Rush

The clearest difference is in-app purchases: Mind Math Rush at none against NumChain's 5. Mind Math Rush also leads on ads (none vs shown) and update cadence (every 2 days vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. NumChain sells 5 one-off in-app purchases. Mind Math Rush asks for nothing beyond the download.

NumChain ships an update monthly, Mind Math Rush every 2 days. The most recent releases landed on October 30, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | NumChain | Mind Math Rush |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 5 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [J.Benito Pereira](https://appshunter.io/developer/1267263346) | [Abdul Karim Khan](https://appshunter.io/developer/1800282317) |

## What reviewers say

### NumChain

[App page](https://appshunter.io/ios/app/numchain-math-number-puzzle/id6670266485)

This number puzzle game sharpens mental math skills through engaging gameplay. Connect numbers to form chains, sums, and products across three distinct modes. Compete globally, earn achievements, and enjoy a clean, intuitive interface designed for all ages.

**Highlights:** Three game modes: Chains, Sums, Multiplication, Global leaderboards and achievements, Hint system for challenging puzzles, Intuitive interface and clean design, Optimized for iPhone and iPad, Develops mental calculation and strategic thinking

**Features:** macOS Compatibility, Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 25 Points | $0.99 | one-time |
| 53 Points | $1.99 | one-time |
| Ads Remove | $2.99 | one-time |
| 85 Points | $2.99 | one-time |
| 110 Points | $3.99 | one-time |


### Mind Math Rush

[App page](https://appshunter.io/ios/app/mind-math-rush/id6752873782)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NumChain free?

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

### Is Mind Math Rush free?

Mind Math Rush is free to download, with no in-app purchases.

### Do NumChain or Mind Math Rush have ads?

NumChain shows ads; Mind Math Rush does not.

### Which is updated more often, NumChain or Mind Math Rush?

NumChain ships an update monthly, and Mind Math Rush every 2 days. Most recently, NumChain was updated on October 30, 2026 and Mind Math Rush on October 14, 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.*