# Duono vs Merge It!

The clearest difference is price: Merge It! at Free against Duono's $2.99. Merge It! also leads on update cadence (every 3 days vs every 2 weeks) and iOS requirement (12.0 vs 17.0). Duono's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

Merge It! is free to download; Duono costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Duono ships an update every 2 weeks, Merge It! every 3 days. The most recent releases landed on September 10, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Duono | Merge It! |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/duono-binary-logic-puzzle/id6745228046/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Paid | — |
| Size | 23 MB | 30 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Fatma Nur Usluer](https://appshunter.io/developer/1811406191) | [Moritz Berger](https://appshunter.io/developer/769529432) |

## What reviewers say

### 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


### Merge It!

[App page](https://appshunter.io/ios/app/merge-it-logic-and-strategy/id6745765018)

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

**In-app purchases:** none


## Frequently asked questions

### Is Duono free?

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

### Is Merge It! free?

Merge It! is free to download, with no in-app purchases.

### Do Duono or Merge It! have ads?

Merge It! shows ads; Duono does not.

### Which is updated more often, Duono or Merge It!?

Duono ships an update every 2 weeks, and Merge It! every 3 days. Most recently, Duono was updated on September 10, 2026 and Merge It! on September 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.*