# RE vs Nuddle

The clearest difference is rating: Nuddle at 4.9 against RE's 4.1. Nuddle also leads on review sentiment (100% vs 75%) and update cadence (weekly vs every 4 weeks). RE's advantage is iOS requirement (7.0 vs 13.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. RE sells 1 one-off in-app purchase and Nuddle sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Nuddle holds the better App Store score, 4.9 against 4.1. Both are backed by a comparable volume of ratings — 14 and 8 respectively. Written reviews point the same way: 75% of RE's written reviews are positive against 100% of Nuddle's.

RE ships an update every 4 weeks, Nuddle weekly. The most recent releases landed on September 24, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | RE | Nuddle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (14 ratings)](https://appshunter.io/ios/app/re-trace/id1264752380/reviews) | **[4.9 (8 ratings)](https://appshunter.io/ios/app/nuddle-number-sequences/id1643422440/reviews)** |
| Number of ratings | **14** | 8 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 68 MB | 42 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stewart Thomson](https://appshunter.io/developer/816337746) | [SCHMUT WEISS GmbH](https://appshunter.io/developer/1529893097) |

## What reviewers say

### RE

[App page](https://appshunter.io/ios/app/re-trace/id1264752380)

A memory-based arcade game where players tap flashing tiles in sequence. The difficulty increases as you progress, with added elements like combo multipliers and limited lives. Compete with friends for the highest score.

**Highlights:** Memory tile matching, Increasing difficulty, Combo multipliers, Limited lives, High score competition, Arcade gameplay

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### 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 RE free?

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

### Is Nuddle free?

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

### Which has better reviews, RE or Nuddle?

Nuddle is rated higher. RE averages 4.1 out of 5 from 14 ratings, while Nuddle averages 4.9 from 8 ratings.

### Do RE or Nuddle have ads?

Neither RE nor Nuddle shows ads.

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

RE ships an update every 4 weeks, and Nuddle weekly. Most recently, RE was updated on September 24, 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.*