# Puzzle IO vs Suguru

The clearest difference is in-app purchases: Suguru at none against Puzzle IO's 1. Suguru also leads on rating (4.8 vs 4.6) and review sentiment (88% vs 75%). Puzzle IO's advantage is update cadence (every 3 weeks vs every 2 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Puzzle IO sells 1 one-off in-app purchase. Suguru asks for nothing beyond the download.

Suguru holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 348 and 297 respectively. Written reviews point the same way: 75% of Puzzle IO's written reviews are positive against 88% of Suguru's.

Puzzle IO ships an update every 3 weeks, Suguru every 2 months. The most recent releases landed on September 18, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Puzzle IO | Suguru |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (348 ratings)](https://appshunter.io/ios/app/puzzle-io-binary-sudoku/id1145765167/reviews) | **[4.8 (297 ratings)](https://appshunter.io/ios/app/suguru/id1441239692/reviews)** |
| Number of ratings | **348** | 297 |
| Positive reviews | 74.6% of reviews | **88.4% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 107 MB | 9 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [99 Up Games](https://appshunter.io/developer/567396068) | [Aliaksandr Uvarau](https://appshunter.io/developer/960171474) |

## What reviewers say

### Puzzle IO

[App page](https://appshunter.io/ios/app/puzzle-io-binary-sudoku/id1145765167)

Experience a modern, fast-paced logic puzzle game based on binary Sudoku. Fill grids with 0s and 1s following specific rules, earn bonuses with a smart point system, and compete globally. Offers endless challenges across six difficulty levels.

**Highlights:** Fill 10x10 grids with 0s and 1s, Equal 0s and 1s per row/column, No three identical numbers in a row, Smart point system with bonuses, Time-based multipliers for higher scores, Game Center support and global leaderboards, Six difficulty levels, Unlimited unique puzzles

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |

**What reviewers like**

- 👍 Simple mechanics
- 👍 Easy to play one-handed
- 👍 Different difficulty modes
- 👍 Guess function if you're not sure of your options
- 👍 Fun and requires the right level of brain power while not being too difficult

**What reviewers complain about**

- 🐛 Hint function is not very useful
- 🐛 'Watch video' for hints doesn't work on the paid ad-free version
- 🔋 High battery consumption
- 💸 Too many ads and long ad breaks
- 🐛 Incorrect error detection on completed rows/columns

**Reported bugs**

- Incorrect error detection on completed rows/columns
- Frequent crashes and bugs
- Game sometimes freezes or becomes unresponsive
- Ads not loading properly, preventing gameplay

**Requested features**

- Dark mode option
- Better hint system that explains the logic
- Option to turn off row/column completion notifications
- More challenging puzzle levels
- Ability to create and save custom puzzles


### Suguru

[App page](https://appshunter.io/ios/app/suguru/id1441239692)

Engage your mind with a logic puzzle featuring simple rules and immense depth. Solve thousands of unique levels, progressing from novice to expert difficulty. This addictive game offers a uniquely satisfying challenge for puzzle enthusiasts.

**Highlights:** 6000 unique puzzle levels, Varying difficulty from novice to expert, Simple rules, complex challenges, Logic-based gameplay, Addictive and satisfying puzzles

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

**In-app purchases:** none

**What reviewers like**

- 👍 Fun time-pass
- 👍 Enjoyable game
- 👍 Great brain workout
- 👍 Simple and easy to use
- 👍 Addictive and challenging

**What reviewers complain about**

- 🐛 Freezing and crashing issues
- 🐛 Progress not saving properly
- 🐛 Difficulty levels not well-balanced
- 🐛 Constant clicking noise during gameplay
- 🐛 Invasive ads introduced in recent update

**Reported bugs**

- Levels not solvable
- Progress frequently wiped
- Clipboard access for no apparent reason

**Requested features**

- Ability to mark/pencil in potential numbers
- Option to undo/redo moves
- Ability to view completed puzzles
- Timing/scoring system with personal best tracking
- More challenging/complex puzzles at expert level


## Frequently asked questions

### Is Puzzle IO free?

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

### Is Suguru free?

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

### Which has better reviews, Puzzle IO or Suguru?

Suguru is rated higher. Puzzle IO averages 4.6 out of 5 from 348 ratings, while Suguru averages 4.8 from 297 ratings.

### Do Puzzle IO or Suguru have ads?

Both Puzzle IO and Suguru show ads.

### Which is updated more often, Puzzle IO or Suguru?

Puzzle IO ships an update every 3 weeks, and Suguru every 2 months. Most recently, Puzzle IO was updated on September 18, 2026 and Suguru on September 21, 2026.

---

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