# Kakuro Endless vs Sumaddle

The clearest difference is in-app purchases: Kakuro Endless at none against Sumaddle's 15. Kakuro Endless also leads on iOS requirement (14.0 vs 17.0). Sumaddle's advantage is update cadence (every 3 weeks vs every 4 months) and review sentiment (95% vs 76%). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Sumaddle sells 15 one-off in-app purchases. Kakuro Endless asks for nothing beyond the download.

Sumaddle holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 449 and 769 respectively. Written reviews point the same way: 76% of Kakuro Endless's written reviews are positive against 95% of Sumaddle's.

Kakuro Endless ships an update every 4 months, Sumaddle every 3 weeks. The most recent releases landed on October 21, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Kakuro Endless | Sumaddle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (449 ratings)](https://appshunter.io/ios/app/kakuro-endless/id1327617338/reviews) | **[4.9 (769 ratings)](https://appshunter.io/ios/app/sumaddle/id1552172214/reviews)** |
| Number of ratings | 449 | **769** |
| Positive reviews | 76.2% of reviews | **94.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 87 MB | 31 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [John Detloff](https://appshunter.io/developer/588124316) | [Jonathan Buchanan](https://appshunter.io/developer/1540556286) |

## What reviewers say

### Kakuro Endless

[App page](https://appshunter.io/ios/app/kakuro-endless/id1327617338)

Engage in a vast collection of free number logic puzzles. This game challenges you to use deduction and elimination to fill cells with digits that match row and column sum clues. Enjoy a user-friendly interface with helpful tools for a seamless puzzle-solving experience.

**Highlights:** Over 17,000 free puzzles, Logic and elimination gameplay, Easy-to-use game board, Zooming functionality, Pencil mark notes, Hide-able cheat sheet

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Beautiful and clean design
- 🚀 Smooth gameplay
- 🔒 No ads or monetization
- 💡 Helpful hints and explanations
- 🧠 Challenging but rewarding puzzles

**What reviewers complain about**

- 🐛 Occasional puzzle errors
- 🔍 Difficulty reading light-colored candidate numbers
- ⏱️ Lack of undo/redo functionality
- 🔍 Accessibility issues with color contrast

**Reported bugs**

- Puzzles sometimes marked as unsolvable
- App crashes when trying to access certain puzzles

**Requested features**

- Add undo/redo functionality
- Implement a dedicated notes mode
- Introduce a dark mode option
- Provide progress tracking and statistics
- Allow for puzzle rotation on tablets


### Sumaddle

[App page](https://appshunter.io/ios/app/sumaddle/id1552172214)

This logic puzzle game transforms pencil-and-paper challenges into interactive brain teasers. Fit number combinations to clues using pure logic, with no mental arithmetic required. Enjoy over 150 free puzzles of varying difficulty, with built-in help and offline play.

**Highlights:** Interactive logic puzzles, Number combination fitting, Pure logic solving, Built-in help and mistake correction, Over 150 free puzzles, Offline play, Ad-free experience

**Features:** Family Sharing

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quirky, Pack 5 | $0.99 | one-time |
| Very Difficult Puzzles | $0.99 | one-time |
| Quirky, Pack 1 | $0.99 | one-time |
| Premium 9x9 Puzzles, Pack 1 | $0.99 | one-time |
| Crafty, Pack 1 | $0.99 | one-time |
| Crafty, Pack 2 | $0.99 | one-time |
| Crafty, Pack 3 | $0.99 | one-time |
| Sneaky, Pack 1 | $0.99 | one-time |
| Sneaky, Pack 2 | $0.99 | one-time |
| Sneaky, Pack 3 | $0.99 | one-time |
| Tricky, Pack 1 | $0.99 | one-time |
| Tricky, Pack 2 | $0.99 | one-time |
| Tricky, Pack 3 | $0.99 | one-time |
| Assorted Puzzles | $0.99 | one-time |
| Puzzle Generator | $9.99 | one-time |

**What reviewers like**

- 👍 Fun and challenging game
- 👍 Clean and intuitive interface
- 👍 Helpful hint system
- 🚀 No ads or data collection
- 💡 Unique puzzle concept

**What reviewers complain about**

- 🐛 Automatic hints can be intrusive
- 🐛 Inability to replay completed puzzles
- 💡 Need more free/sample puzzles
- 💡 Difficulty progression could be improved

**Reported bugs**

- Losing progress when minimizing the app
- Inconsistent difficulty ratings

**Requested features**

- Ability to selectively pencil in notes
- More difficult puzzle options
- Synced progress across devices
- Detailed statistics and leaderboard


## Frequently asked questions

### Is Kakuro Endless free?

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

### Is Sumaddle free?

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

### Which has better reviews, Kakuro Endless or Sumaddle?

Sumaddle is rated higher. Kakuro Endless averages 4.7 out of 5 from 449 ratings, while Sumaddle averages 4.9 from 769 ratings.

### Do Kakuro Endless or Sumaddle have ads?

Neither Kakuro Endless nor Sumaddle shows ads.

### Which is updated more often, Kakuro Endless or Sumaddle?

Kakuro Endless ships an update every 4 months, and Sumaddle every 3 weeks. Most recently, Kakuro Endless was updated on October 21, 2026 and Sumaddle on October 20, 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.*