# Gridflow vs Bubu Sudoku

The clearest difference is ads: Gridflow at none against Bubu Sudoku's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Gridflow sells 1 one-off in-app purchase and Bubu Sudoku sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Gridflow | Bubu Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 9 days |
| Size | 15 MB | 11 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Tobias Hotzel](https://appshunter.io/developer/1896538940) | [Haosheng Li](https://appshunter.io/developer/1437181734) |

## What reviewers say

### Gridflow

[App page](https://appshunter.io/ios/app/gridflow-logic-puzzles/id6773568005)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gridflow Premium | $3.99 | one-time |


### Bubu Sudoku

[App page](https://appshunter.io/ios/app/bubu-sudoku/id6787663053)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sudoku Pro | $9.99 | one-time |


## Frequently asked questions

### Is Gridflow free?

Gridflow is free to download, with in-app purchases available.

### Is Bubu Sudoku free?

Bubu Sudoku is free to download, with in-app purchases available.

### Do Gridflow or Bubu Sudoku have ads?

Bubu Sudoku shows ads; Gridflow does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*