# RotaStone vs Pin Rin 3D

The clearest difference is update cadence: Pin Rin 3D at daily against RotaStone's every 2 months. 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.

RotaStone ships an update every 2 months, Pin Rin 3D daily. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | RotaStone | Pin Rin 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pin-rin-3d/id6468481562/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Daily** |
| Monetization | — | Ad-supported |
| Size | 60 MB | 99 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [radiuthree Co., Ltd](https://appshunter.io/developer/1158448737) | [Amirahmad Bornaee](https://appshunter.io/developer/1470193167) |

## What reviewers say

### RotaStone

[App page](https://appshunter.io/ios/app/rotastone/id1619250280)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pin Rin 3D

[App page](https://appshunter.io/ios/app/pin-rin-3d/id6468481562)

Engage in a colorful ring-matching puzzle game. Strategically click on rings to match three of the same color, making them disappear. Enjoy hours of addictive, visually vibrant gameplay with enchanting sound effects.

**Highlights:** Match three rings of the same color, Strategic move planning, Chain reaction opportunities, Vibrant ring colors, Enchanting sound effects, Increasing challenge

**In-app purchases:** none


## Frequently asked questions

### Is RotaStone free?

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

### Is Pin Rin 3D free?

Pin Rin 3D is free to download, with no in-app purchases.

### Do RotaStone or Pin Rin 3D have ads?

Both RotaStone and Pin Rin 3D show ads.

### Which is updated more often, RotaStone or Pin Rin 3D?

RotaStone ships an update every 2 months, and Pin Rin 3D daily. Most recently, RotaStone was updated on November 3, 2026 and Pin Rin 3D on November 4, 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.*