# Sumoku vs Memo Forms

The clearest difference is price: Memo Forms at Free against Sumoku's $0.99. Memo Forms also leads on iOS requirement (12.0 vs 15.6). Sumoku's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence and device support there is nothing between them.

Memo Forms is free to download; Sumoku costs $0.99 up front. Memo Forms sells 1 one-off in-app purchase. Sumoku asks for nothing beyond the download.

Sumoku ships an update every 13 months, Memo Forms every 10 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Sumoku | Memo Forms |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.7 (16 ratings)](https://appshunter.io/ios/app/sumoku-slide-flip-make-10/id1478341022/reviews)** | — |
| Number of ratings | **16** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Every 10 months** |
| Monetization | Paid | — |
| Best chart rank | **#197** | — |
| Size | 5 MB | 14 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Raffaele D'Amato](https://appshunter.io/developer/529947655) | [Sergi Palomares Redon](https://appshunter.io/developer/1460565445) |

## What reviewers say

### Sumoku

[App page](https://appshunter.io/ios/app/sumoku-slide-flip-make-10/id1478341022)

**Currently charting:** #197 Top Paid · Board (US App Store)

A digital number puzzle game where you slide and flip digits to create combinations that equal 10. Navigate special digits and choose from classic, puzzle, or endless modes. Supports iCloud and Game Center.

**Highlights:** Slide and flip digits, Create combinations equaling 10, Special green and red digits, Classic, Puzzle, and Endless modes, iCloud and Game Center support, Light and Dark themes

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

**In-app purchases:** none


### Memo Forms

[App page](https://appshunter.io/ios/app/memo-forms/id1541123322)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove advertisements | $6.99 | one-time |


## Frequently asked questions

### Is Sumoku free?

Sumoku costs $0.99, with no in-app purchases.

### Is Memo Forms free?

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

### Do Sumoku or Memo Forms have ads?

Memo Forms shows ads; Sumoku does not.

### Which is updated more often, Sumoku or Memo Forms?

Sumoku ships an update every 13 months, and Memo Forms every 10 months. Most recently, Sumoku was updated on October 26, 2026 and Memo Forms on October 27, 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.*