# Puzzle IO vs Binary Blocks

The clearest difference is in-app purchases: Binary Blocks at none against Puzzle IO's 1. Binary Blocks also leads on ads (none vs shown) and rating (5.0 vs 4.6). Puzzle IO's advantage is ratings volume (348 vs 1). On price and device support there is nothing between them.

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

Binary Blocks holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Puzzle IO has 348 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 74% of Puzzle IO's written reviews are positive against 100% of Binary Blocks's.

Puzzle IO ships an update every 3 weeks, Binary Blocks weekly. The most recent releases landed on October 9, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Puzzle IO | Binary Blocks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (348 ratings)](https://appshunter.io/ios/app/puzzle-io-binary-sudoku/id1145765167/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/binary-blocks/id1505054361/reviews)** |
| Number of ratings | **348** | 1 |
| Positive reviews | 74.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 107 MB | 13 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [99 Up Games](https://appshunter.io/developer/567396068) | [SikYi Chan](https://appshunter.io/developer/967732681) |

## 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


### Binary Blocks

[App page](https://appshunter.io/ios/app/binary-blocks/id1505054361)

This game challenges players to find specific binary numbers within an 8x8 grid of 0s and 1s against a timer. Progress through increasing levels of difficulty, starting with 4-bit modes and advancing to 8-bit mastery.

**Highlights:** Learn binary, quaternary, and hexadecimal, Automated binary calculation, Progressive bit mode difficulty, 8x8 grid gameplay, Timer-based challenges, Game Center integration, Leaderboard competition

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Puzzle IO free?

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

### Is Binary Blocks free?

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

### Which has better reviews, Puzzle IO or Binary Blocks?

Binary Blocks is rated higher. Puzzle IO averages 4.6 out of 5 from 348 ratings, while Binary Blocks averages 5.0 from 1 ratings.

### Do Puzzle IO or Binary Blocks have ads?

Puzzle IO shows ads; Binary Blocks does not.

### Which is updated more often, Puzzle IO or Binary Blocks?

Puzzle IO ships an update every 3 weeks, and Binary Blocks weekly. Most recently, Puzzle IO was updated on October 9, 2026 and Binary Blocks on September 17, 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.*