# Sambo vs Duono

The clearest difference is review sentiment: Duono at 83% against Sambo's 33%. Duono also leads on rating (4.0 vs 3.0) and in-app purchases (none vs 9). Sambo's advantage is price (Free vs $2.99) and ratings volume (53 vs 1). On update cadence and device support there is nothing between them.

Sambo is free to download; Duono costs $2.99 up front. Sambo sells 9 one-off in-app purchases. Duono asks for nothing beyond the download.

Duono holds the better App Store score, 4.0 against 3.0. That said, the two scores are not equally well evidenced: Sambo has 53 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 33% of Sambo's written reviews are positive against 83% of Duono's.

Sambo ships an update every 10 days, Duono every 2 weeks. The most recent releases landed on October 21, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Sambo | Duono |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [3.0 (53 ratings)](https://appshunter.io/ios/app/sambo-binairo-puzzle-game/id6744304775/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/duono-binary-logic-puzzle/id6745228046/reviews)** |
| Number of ratings | **53** | 1 |
| Positive reviews | 32.8% of reviews | **83.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 69 MB | 23 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Two4Tea](https://appshunter.io/developer/1437128903) | [Fatma Nur Usluer](https://appshunter.io/developer/1811406191) |

## What reviewers say

### Sambo

[App page](https://appshunter.io/ios/app/sambo-binairo-puzzle-game/id6744304775)

This brain-training puzzle game challenges you to balance circles and diamonds in rows and columns. It offers unlimited offline play with a clean design, perfect for focused, meditative moments. Compete with others and master hundreds of handcrafted logic challenges.

**Highlights:** Brain training challenges, Offline play, Unlimited gameplay, Minimalist design, Leaderboards, Hundreds of handcrafted puzzles

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 coins | $0.99 | one-time |
| Special Offer | $1.99 | one-time |
| Premium | $2.99 | one-time |
| Special Offer 2 | $4.99 | one-time |
| 550 coins | $4.99 | one-time |
| Special Offer 3 | $9.99 | one-time |
| 1200 coins | $9.99 | one-time |
| 3200 coins | $24.99 | one-time |
| 13000 coins | $99.99 | one-time |

**What reviewers like**

- 🎮 Fun and addictive game

**What reviewers complain about**

- 🐛 Broken levels with bugs
- 🤯 Impossible levels
- 🤬 Continuously not possible levels
- 🤯 Level 119 impossible
- 🤬 Ads after every play

**Reported bugs**

- Level 191 bug
- Level 186 unplayable
- Level 119 impossible
- Level 125 impossible
- Level 155 impossible

**Requested features**

- More levels


### Duono

[App page](https://appshunter.io/ios/app/duono-binary-logic-puzzle/id6745228046)

Engage in a unique binary logic puzzle adventure with a beautiful sun and moon theme. Solve tricky tango-style patterns using pure logic, with no guessing required. Enjoy offline play, global competition, and a distraction-free experience.

**Highlights:** Unique Sun & Moon Theme, 100% Offline Gaming, Ad-Free Experience, Game Center Integration, Multiple Difficulty Levels, Smart Hint System, Unlimited Undo

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

**In-app purchases:** none


## Frequently asked questions

### Is Sambo free?

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

### Is Duono free?

Duono costs $2.99, with no in-app purchases.

### Which has better reviews, Sambo or Duono?

Duono is rated higher. Sambo averages 3.0 out of 5 from 53 ratings, while Duono averages 4.0 from 1 ratings.

### Do Sambo or Duono have ads?

Sambo shows ads; Duono does not.

### Which is updated more often, Sambo or Duono?

Sambo ships an update every 10 days, and Duono every 2 weeks. Most recently, Sambo was updated on October 21, 2026 and Duono on October 11, 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.*