# duk. vs Prism Potions

The clearest difference is in-app purchases: duk. at none against Prism Potions's 5. duk. also leads on ads (none vs shown). Prism Potions's advantage is device support (3 vs 1) and iOS requirement (15.4 vs 18.0). On price and update cadence there is nothing between them.

Both are free to download. Prism Potions sells 5 one-off in-app purchases. duk. asks for nothing beyond the download.

duk. ships an update every 11 days, Prism Potions weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | duk. | Prism Potions |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/duk/id6778465982/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 11 days | **Weekly** |
| Monetization | Free | — |
| Size | 8 MB | 32 MB |
| Requires iOS | 18.0 | **15.4** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Betula Noir LLC](https://appshunter.io/developer/6778465985) | [Tom Boban](https://appshunter.io/developer/6810802798) |

## 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


### Prism Potions

[App page](https://appshunter.io/ios/app/prism-potions/id6810802796)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Bundle | $1.99 | one-time |
| Pouch of Coins | $1.99 | one-time |
| Alchemist Bundle | $5.99 | one-time |
| Bag of Coins | $6.99 | one-time |
| Chest of Coins | $14.99 | one-time |


## Frequently asked questions

### Is duk. free?

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

### Is Prism Potions free?

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

### Do duk. or Prism Potions have ads?

Prism Potions shows ads; duk. does not.

### Which is updated more often, duk. or Prism Potions?

duk. ships an update every 11 days, and Prism Potions weekly. Most recently, duk. was updated on October 24, 2026 and Prism Potions on October 24, 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.*