# Size test vs NeuroNudge

The clearest difference is price: NeuroNudge at Free against Size test's $0.99. NeuroNudge also leads on update cadence (every 4 days vs every 10 months). Size test's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.

NeuroNudge is free to download; Size test costs $0.99 up front. NeuroNudge sells 1 in-app purchase, starting at $5.99 per month. Size test asks for nothing beyond the download.

Size test ships an update every 10 months, NeuroNudge every 4 days. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Size test | NeuroNudge |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/neuronudge-brain-games/id6743054000/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 9 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Viacheslav Romanenko](https://appshunter.io/developer/1046372418) | [Benjamin Kvello-Hansen](https://appshunter.io/developer/1760187125) |

## What reviewers say

### Size test

[App page](https://appshunter.io/ios/app/size-test/id1059703529)

**In-app purchases:** none


### NeuroNudge

[App page](https://appshunter.io/ios/app/neuronudge-brain-games/id6743054000)

Enhance your memory and focus with a collection of engaging puzzles and challenges. This app adapts to your skill level, offering daily tasks and detailed progress tracking to keep your mind sharp. Compete with others on public leaderboards and unlock achievements for continuous improvement.

**Highlights:** Multiple cognitive skill games, Progress tracking with statistics, Daily brain challenges, Adaptive difficulty, Achievement system, Public leaderboards

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad‑Free NeuroNudge - Monthly | $5.99 | per month |


## Frequently asked questions

### Is Size test free?

Size test costs $0.99, with no in-app purchases.

### Is NeuroNudge free?

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

### Do Size test or NeuroNudge have ads?

NeuroNudge shows ads; Size test does not.

### Which is updated more often, Size test or NeuroNudge?

Size test ships an update every 10 months, and NeuroNudge every 4 days. Most recently, Size test was updated on October 15, 2026 and NeuroNudge on October 7, 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.*