# duk. vs Noctagram

The clearest difference is update cadence: Noctagram at every 3 days against duk.'s every 11 days. Noctagram also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

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

duk. ships an update every 11 days, Noctagram every 3 days. The most recent releases landed on October 16, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | duk. | Noctagram |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/duk/id6778465982/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 3 days** |
| Monetization | Free | — |
| Size | 8 MB | 86 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Betula Noir LLC](https://appshunter.io/developer/6778465985) | [TuTu Fun Games Inc.](https://appshunter.io/developer/1782372681) |

## What reviewers say

### duk.

[App page](https://appshunter.io/ios/app/duk/id6778465982)

A charming puzzle game where you guide a character across lily pads by stepping a specific number of spaces. Solve 80 unique ponds in classic mode or tackle a new daily challenge. Enjoy a relaxing, ad-free experience with no internet or accounts required.

**Highlights:** Numbered lily pad stepping mechanic, 80 classic ponds, Daily puzzles (easy, medium, hard), Streak tracking for daily play, No ads or accounts, Offline play

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

**In-app purchases:** none


### Noctagram

[App page](https://appshunter.io/ios/app/noctagram-nonogram-puzzles/id6792143997)

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

**In-app purchases:** none


## Frequently asked questions

### Is duk. free?

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

### Is Noctagram free?

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

### Do duk. or Noctagram have ads?

Neither duk. nor Noctagram shows ads.

### Which is updated more often, duk. or Noctagram?

duk. ships an update every 11 days, and Noctagram every 3 days. Most recently, duk. was updated on October 16, 2026 and Noctagram 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.*