# Solid Sudoku vs Mystic Flower Lab

The clearest difference is ads: Mystic Flower Lab at none against Solid Sudoku's shown. Solid Sudoku's advantage is update cadence (every 3 days vs every 6 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Solid Sudoku ships an update every 3 days, Mystic Flower Lab every 6 months. The most recent releases landed on October 2, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Solid Sudoku | Mystic Flower Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 6 months |
| Size | 28 MB | 8 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sooyeol Jeong](https://appshunter.io/developer/1877260413) | [建川 陈](https://appshunter.io/developer/1885896993) |

## What reviewers say

### Solid Sudoku

[App page](https://appshunter.io/ios/app/solid-sudoku/id6759184547)

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

**In-app purchases:** none


### Mystic Flower Lab

[App page](https://appshunter.io/ios/app/mystic-flower-lab/id6761323172)

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

**In-app purchases:** none


## Frequently asked questions

### Is Solid Sudoku free?

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

### Is Mystic Flower Lab free?

Mystic Flower Lab is free to download, with no in-app purchases.

### Do Solid Sudoku or Mystic Flower Lab have ads?

Solid Sudoku shows ads; Mystic Flower Lab does not.

### Which is updated more often, Solid Sudoku or Mystic Flower Lab?

Solid Sudoku ships an update every 3 days, and Mystic Flower Lab every 6 months. Most recently, Solid Sudoku was updated on October 2, 2026 and Mystic Flower Lab on October 14, 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.*