# Spin Project vs RKS Mazur

The clearest difference is update cadence: RKS Mazur at daily against Spin Project's every 4 weeks. Spin Project's advantage is iOS requirement (12.0 vs 15.1). 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.

Spin Project ships an update every 4 weeks, RKS Mazur daily. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Spin Project | RKS Mazur |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Daily** |
| Size | 38 MB | 24 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GYMMANAGER SP Z O O](https://appshunter.io/developer/966545442) | [Kamil Romanczuk](https://appshunter.io/developer/6805278919) |

## What reviewers say

### Spin Project

[App page](https://appshunter.io/ios/app/spin-project/id6447185270)

**Features:** macOS Compatibility

**In-app purchases:** none


### RKS Mazur

[App page](https://appshunter.io/ios/app/rks-mazur/id6805278617)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spin Project free?

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

### Is RKS Mazur free?

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

### Do Spin Project or RKS Mazur have ads?

Neither Spin Project nor RKS Mazur shows ads.

### Which is updated more often, Spin Project or RKS Mazur?

Spin Project ships an update every 4 weeks, and RKS Mazur daily. Most recently, Spin Project was updated on November 7, 2026 and RKS Mazur on October 31, 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.*