# Rings Stack vs MathTwister

The clearest difference is update cadence: MathTwister at every 3 months against Rings Stack's every 34 months. Rings Stack's advantage is iOS requirement (11.0 vs 15.0). 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.

Rings Stack ships an update every 34 months, MathTwister every 3 months. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Rings Stack | MathTwister |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/rings-stack/id1410628025/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 34 months | **Every 3 months** |
| Monetization | Ad-supported | — |
| Size | 78 MB | 66 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [out thinking limited](https://appshunter.io/developer/531344384) | [Oneiric Gaming](https://appshunter.io/developer/1537581074) |

## What reviewers say

### Rings Stack

[App page](https://appshunter.io/ios/app/rings-stack/id1410628025)

Tap to stack oscillating rings of different colors onto a central stick. Aim to fill the stack as high as possible to achieve a good score. This game offers simple, engaging gameplay for casual fun.

**Highlights:** Tap-to-stack gameplay, Oscillating rings, Color matching, Score-based progression, Simple controls

**In-app purchases:** none


### MathTwister

[App page](https://appshunter.io/ios/app/mathtwister/id1587653825)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rings Stack free?

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

### Is MathTwister free?

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

### Do Rings Stack or MathTwister have ads?

Both Rings Stack and MathTwister show ads.

### Which is updated more often, Rings Stack or MathTwister?

Rings Stack ships an update every 34 months, and MathTwister every 3 months. Most recently, Rings Stack was updated on October 24, 2026 and MathTwister on October 6, 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.*