# Rinmath Math Number Puzzle vs Safe Cracker

The clearest difference is device support: Rinmath Math Number Puzzle at 4 against Safe Cracker's 2. On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Rinmath Math Number Puzzle sells 2 one-off in-app purchases and Safe Cracker sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Rinmath Math Number Puzzle | Safe Cracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rinmath-math-number-puzzle/id6767552348/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 32 MB |
| Requires iOS | **17.0** | 18.4 |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Rizk Corsight, LLC](https://appshunter.io/developer/1896065289) | [Xiang Fu](https://appshunter.io/developer/6789789715) |

## What reviewers say

### Rinmath Math Number Puzzle

[App page](https://appshunter.io/ios/app/rinmath-math-number-puzzle/id6767552348)

Engage in a daily arithmetic logic puzzle with rotating concentric rings. Solve for the target sum on each spoke to complete the daily challenge. Offers multiple difficulty tiers and practice modes, with a privacy-first approach and no tracking.

**Highlights:** Daily arithmetic logic puzzles, Rotating concentric rings, Multiple spoke count options, Offline play, Practice and multiplication modes, Lifetime stats and history calendar, On-device solve coach

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-Day Trial | Free | one-time |
| Rinmath Pro | $1.99 | one-time |


### Safe Cracker

[App page](https://appshunter.io/ios/app/safe-cracker-crown-puzzle/id6789789713)

**Features:** Family Sharing, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $1.99 | one-time |


## Frequently asked questions

### Is Rinmath Math Number Puzzle free?

Rinmath Math Number Puzzle is free to download, with in-app purchases available.

### Is Safe Cracker free?

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

### Do Rinmath Math Number Puzzle or Safe Cracker have ads?

Neither Rinmath Math Number Puzzle nor Safe Cracker shows ads.

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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.*