# Primes vs Nuddle

The clearest difference is in-app purchases: Primes at none against Nuddle's 1. Primes also leads on iOS requirement (8.0 vs 13.0). Nuddle's advantage is update cadence (weekly vs every 2 months). On price, ads and device support there is nothing between them.

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

Primes ships an update every 2 months, Nuddle weekly. The most recent releases landed on September 16, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Primes | Nuddle |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 34 MB | 42 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aleniq Inc.](https://appshunter.io/developer/1529767352) | [SCHMUT WEISS GmbH](https://appshunter.io/developer/1529893097) |

## What reviewers say

### Primes

[App page](https://appshunter.io/ios/app/primes/id1529767350)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Primes free?

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

### Is Nuddle free?

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

### Do Primes or Nuddle have ads?

Neither Primes nor Nuddle shows ads.

### Which is updated more often, Primes or Nuddle?

Primes ships an update every 2 months, and Nuddle weekly. Most recently, Primes was updated on September 16, 2026 and Nuddle on September 14, 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.*