# Puzzling with codes vs Omnidu

The clearest difference is ads: Omnidu at none against Puzzling with codes's shown. Omnidu also leads on update cadence (every 6 weeks vs every 7 months). Puzzling with codes's advantage is iOS requirement (9.0 vs 12.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Puzzling with codes ships an update every 7 months, Omnidu every 6 weeks. The most recent releases landed on September 23, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Puzzling with codes | Omnidu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/puzzling-with-codes/id1440165063/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Monetization | Ad-supported | — |
| Size | 26 MB | 127 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dennis van Duin](https://appshunter.io/developer/1141733010) | [Stichting Op Maat Eduware](https://appshunter.io/developer/1804081056) |

## What reviewers say

### Puzzling with codes

[App page](https://appshunter.io/ios/app/puzzling-with-codes/id1440165063)

This educational app helps children understand numbers and patterns by converting binary sequences into visual patterns. It offers various mini-codes, puzzles, and game types, making it ideal for learning between school lessons.

**Highlights:** Binary code conversion, Pattern recognition, Number sequence puzzles, 30 mini codes, 3 large puzzles, 3 game types

**In-app purchases:** none


### Omnidu

[App page](https://appshunter.io/ios/app/omnidu/id6444656866)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Puzzling with codes free?

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

### Is Omnidu free?

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

### Do Puzzling with codes or Omnidu have ads?

Puzzling with codes shows ads; Omnidu does not.

### Which is updated more often, Puzzling with codes or Omnidu?

Puzzling with codes ships an update every 7 months, and Omnidu every 6 weeks. Most recently, Puzzling with codes was updated on September 23, 2026 and Omnidu on October 9, 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.*