# NeoFit vs duk.

The clearest difference is ads: duk. at none against NeoFit's shown. duk. also leads on update cadence (every 11 days vs every 7 months). NeoFit's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 18.0). On price 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.

NeoFit ships an update every 7 months, duk. every 11 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | NeoFit | duk. |
| --- | --- | --- |
| 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 | Yes | **No** |
| Update frequency | Every 7 months | **Every 11 days** |
| Monetization | — | Free |
| Size | 61 MB | 8 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nanjing hanhe culture media Co., LTD](https://appshunter.io/developer/532480776) | [Betula Noir LLC](https://appshunter.io/developer/6778465985) |

## What reviewers say

### NeoFit

[App page](https://appshunter.io/ios/app/neofit-logic-board-puzzle/id6756650014)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is NeoFit free?

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

### Is duk. free?

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

### Do NeoFit or duk. have ads?

NeoFit shows ads; duk. does not.

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

NeoFit ships an update every 7 months, and duk. every 11 days. Most recently, NeoFit was updated on October 30, 2026 and duk. on October 31, 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.*