# Futoshiki 101 vs Odd Machines

The clearest difference is review sentiment: Odd Machines at 61% against Futoshiki 101's 0%. Odd Machines also leads on rating (4.3 vs 1.0) and ratings volume (89 vs 3). Futoshiki 101's advantage is update cadence (monthly vs every 2 months) and iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Futoshiki 101 sells 1 one-off in-app purchase and Odd Machines sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Odd Machines holds the better App Store score, 4.3 against 1.0. That said, the two scores are not equally well evidenced: Odd Machines has 89 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of Futoshiki 101's written reviews are positive against 61% of Odd Machines's.

Futoshiki 101 ships an update monthly, Odd Machines every 2 months. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Futoshiki 101 | Odd Machines |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (3 ratings)](https://appshunter.io/ios/app/futoshiki-101/id1403829103/reviews) | **[4.3 (89 ratings)](https://appshunter.io/ios/app/odd-machines-mechanical-boxes/id6737251986/reviews)** |
| Number of ratings | 3 | **89** |
| Positive reviews | 0.0% of reviews | **61.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 8 MB | 436 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Mesmotronic](https://appshunter.io/developer/480143689) | [XSGames](https://appshunter.io/developer/1725979641) |

## What reviewers say

### Futoshiki 101

[App page](https://appshunter.io/ios/app/futoshiki-101/id1403829103)

Challenge your logic with over 100 Sudoku-style number puzzles. Arrange numbers 1-5 in rows and columns while adhering to greater-than/less-than constraints between adjacent numbers. Features pencil mode for notes and mistake highlighting.

**Highlights:** 101 increasingly difficult puzzles, Sudoku-style number arrangement, Greater-than/less-than constraints, Pencil mode for notes, Mistake highlighting, 5 difficulty levels

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove adverts | $1.99 | one-time |


### Odd Machines

[App page](https://appshunter.io/ios/app/odd-machines-mechanical-boxes/id6737251986)

Embark on a 3D escape room adventure as a treasure hunter seeking a lost artifact. Solve intricate mechanical puzzles, uncover hidden objects, and unravel mysteries within an ancient temple. Collect fragments of a powerful stone to escape.

**Highlights:** Solve unique puzzle boxes, Explore an ancient temple, Collect fragments of a lost stone, Immersive audio experience, Multi-language support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game | $3.99 | one-time |
| Unlock Full Game + Coffee | $4.99 | one-time |
| Unlock Full Game + Love | $7.99 | one-time |

**What reviewers like**

- 🤔 Makes you think
- 💡 Ingenious puzzles
- ✨ Beautiful graphics
- 🎶 Soothing sounds and music
- 🎯 Logical puzzles

**What reviewers complain about**

- 🤏 Tiny text size
- 🖱️ Frustrating click accuracy
- ❓ Clues sometimes random
- 💰 Overpriced for content
- 🚫 Game doesn't work

**Reported bugs**

- No stone to collect from 5th window
- Game closes immediately on 'play'
- Bug in first machine, stone disappears
- Cannot zoom on puzzle
- Cannot actuate dials

**Requested features**

- Full game should be free
- Monocle usable at zoomed out level
- More visual feedback for puzzle completion
- Option to get the answer when hint isn't enough
- More levels/unlimited levels


## Frequently asked questions

### Is Futoshiki 101 free?

Futoshiki 101 is free to download, with in-app purchases available.

### Is Odd Machines free?

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

### Which has better reviews, Futoshiki 101 or Odd Machines?

Odd Machines is rated higher. Futoshiki 101 averages 1.0 out of 5 from 3 ratings, while Odd Machines averages 4.3 from 89 ratings.

### Do Futoshiki 101 or Odd Machines have ads?

Neither Futoshiki 101 nor Odd Machines shows ads.

### Which is updated more often, Futoshiki 101 or Odd Machines?

Futoshiki 101 ships an update monthly, and Odd Machines every 2 months. Most recently, Futoshiki 101 was updated on October 29, 2026 and Odd Machines on October 25, 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.*