# DoodleBack vs Sumoku

The clearest difference is update cadence: DoodleBack at every 9 days against Sumoku's every 6 weeks. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. DoodleBack sells 6 one-off in-app purchases and Sumoku sells 11 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for DoodleBack against 4.9 for Sumoku. Both are backed by a comparable volume of ratings — 45 and 18 respectively. Written reviews are what separate them: 94% of DoodleBack's written reviews are positive against 100% of Sumoku's.

DoodleBack ships an update every 9 days, Sumoku every 6 weeks. The most recent releases landed on September 25, 2026 and August 8, 2026 respectively.

## The numbers

| Metric | DoodleBack | Sumoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (45 ratings)](https://appshunter.io/ios/app/doodleback/id6755615366/reviews) | **[4.9 (18 ratings)](https://appshunter.io/ios/app/sumoku-number-logic-game/id6756796574/reviews)** |
| Number of ratings | **45** | 18 |
| Positive reviews | 94.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 12 MB | 171 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BERG LLC](https://appshunter.io/developer/545395845) | [Kelsey Fargas](https://appshunter.io/developer/1862865365) |

## What reviewers say

### DoodleBack

[App page](https://appshunter.io/ios/app/doodleback/id6755615366)

Transform iMessage into a fun drawing and guessing game. Pick a word, draw it, and send it to a friend to guess. Continue the drawing chain, earn points, and enjoy a unique way to connect.

**Highlights:** Play directly in iMessage, Thousands of word prompts, Custom prompt creation, Smart hint system, Undo/redo drawing tools, Score and streak tracking, Drawing history view

**Features:** iMessage stickers

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Handful (75 Coins) | $0.99 | one-time |
| Pouch (600 Coins) | $4.99 | one-time |
| Chest (1500 Coins) | $9.99 | one-time |
| Cart (3500 Coins) | $19.99 | one-time |
| Vault (10000 Coins) | $49.99 | one-time |
| Pirate Ship (25000 Coins) | $99.99 | one-time |


### Sumoku

[App page](https://appshunter.io/ios/app/sumoku-number-logic-game/id6756796574)

This logic puzzle game challenges players to fill grids with unique numbers, ensuring each cage sums to its target. It offers various grid sizes and difficulties, competitive leaderboards, and unlockable achievements. Smart tools and an in-game currency system enhance the gameplay experience.

**Highlights:** Multiple grid sizes and difficulty levels, Leaderboard competition, Unlockable achievements, AI bot battles, Pencil mode and hints, In-game currency system

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 15 Stars | $0.69 | one-time |
| 20 Stars | $0.99 | one-time |
| 50 Stars | $1.99 | one-time |
| 5 Extra Hints | $2.99 | one-time |
| 5 Extra Lives | $2.99 | one-time |
| 100 Stars | $2.99 | one-time |
| 10 Extra Hints | $4.99 | one-time |
| 10 Extra Lives | $4.99 | one-time |
| 500 Stars | $4.99 | one-time |
| Zen Mode | $8.99 | one-time |
| 1200 Stars | $9.99 | one-time |


## Frequently asked questions

### Is DoodleBack free?

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

### Is Sumoku free?

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

### Which has better reviews, DoodleBack or Sumoku?

Sumoku is rated higher. DoodleBack averages 4.8 out of 5 from 45 ratings, while Sumoku averages 4.9 from 18 ratings.

### Do DoodleBack or Sumoku have ads?

Neither DoodleBack nor Sumoku shows ads.

### Which is updated more often, DoodleBack or Sumoku?

DoodleBack ships an update every 9 days, and Sumoku every 6 weeks. Most recently, DoodleBack was updated on September 25, 2026 and Sumoku on August 8, 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.*