# Isorotate vs Grumpy Turtle Lite

The clearest difference is ads: Grumpy Turtle Lite at none against Isorotate's shown. On price, update cadence, 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.

Isorotate ships an update every 41 months, Grumpy Turtle Lite every 37 months. The most recent releases landed on October 3, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Isorotate | Grumpy Turtle Lite |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 41 months | **Every 37 months** |
| Size | 159 MB | 18 MB |
| Requires iOS | **12.0** | 12.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Avakai Games Private Limited](https://appshunter.io/developer/662870499) | [Anthony Hindle](https://appshunter.io/developer/1057765652) |

## What reviewers say

### Isorotate

[App page](https://appshunter.io/ios/app/isorotate/id1092430949)

**Features:** macOS Compatibility

**In-app purchases:** none


### Grumpy Turtle Lite

[App page](https://appshunter.io/ios/app/grumpy-turtle-lite/id1241714485)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Isorotate free?

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

### Is Grumpy Turtle Lite free?

Grumpy Turtle Lite is free to download, with no in-app purchases.

### Do Isorotate or Grumpy Turtle Lite have ads?

Isorotate shows ads; Grumpy Turtle Lite does not.

### Which is updated more often, Isorotate or Grumpy Turtle Lite?

Isorotate ships an update every 41 months, and Grumpy Turtle Lite every 37 months. Most recently, Isorotate was updated on October 3, 2026 and Grumpy Turtle Lite on October 15, 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.*