# Nuddle vs Sequence Master Challenge

The clearest difference is in-app purchases: Sequence Master Challenge at none against Nuddle's 1. Nuddle's advantage is iOS requirement (13.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Nuddle sells 1 one-off in-app purchase. Sequence Master Challenge asks for nothing beyond the download.

Nuddle ships an update weekly, Sequence Master Challenge every 4 days. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Nuddle | Sequence Master Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/nuddle-number-sequences/id1643422440/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 42 MB | 10 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SCHMUT WEISS GmbH](https://appshunter.io/developer/1529893097) | [HAKON FOSEIDE](https://appshunter.io/developer/1833933325) |

## What reviewers say

### Nuddle

[App page](https://appshunter.io/ios/app/nuddle-number-sequences/id1643422440)

Engage your mind with daily number sequence puzzles. Discover the underlying system to find the missing digits and build your solving streak. Enjoy unlimited random puzzles and share challenges with friends.

**Highlights:** Daily global number puzzles, Infinite random sequences, Streak building system, Local puzzle caching, Share puzzles with friends, Recognize number systems

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $4.99 | one-time |


### Sequence Master Challenge

[App page](https://appshunter.io/ios/app/sequence-master-challenge/id6753905419)

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

**In-app purchases:** none


## Frequently asked questions

### Is Nuddle free?

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

### Is Sequence Master Challenge free?

Sequence Master Challenge is free to download, with no in-app purchases.

### Do Nuddle or Sequence Master Challenge have ads?

Neither Nuddle nor Sequence Master Challenge shows ads.

### Which is updated more often, Nuddle or Sequence Master Challenge?

Nuddle ships an update weekly, and Sequence Master Challenge every 4 days. Most recently, Nuddle was updated on October 2, 2026 and Sequence Master Challenge on September 30, 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.*