# Nucleus Learning vs 5 Second Rule

The clearest difference is in-app purchases: Nucleus Learning at none against 5 Second Rule's 3. Nucleus Learning also leads on iOS requirement (13.4 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 5 Second Rule sells 3 in-app purchases, starting at $4.99 per 7 days. Nucleus Learning asks for nothing beyond the download.

Nucleus Learning ships an update every 6 weeks, 5 Second Rule monthly. The most recent releases landed on September 30, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Nucleus Learning | 5 Second Rule |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (16 ratings)](https://appshunter.io/ios/app/5-second-rule-fun-group-game/id6747068887/reviews)** |
| Number of ratings | — | **16** |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 20 MB | 74 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Nucleus Learning](https://appshunter.io/developer/1637443671) | [CherryPub LLP](https://appshunter.io/developer/1556362773) |

## What reviewers say

### Nucleus Learning

[App page](https://appshunter.io/ios/app/nucleus-learning/id6450541081)

**Features:** macOS Compatibility

**In-app purchases:** none


### 5 Second Rule

[App page](https://appshunter.io/ios/app/5-second-rule-fun-group-game/id6747068887)

A fast-paced guessing game where players must name three things within five seconds. It's designed for group fun, offering hundreds of questions and the ability to add your own. Supports multiple players and works offline, making it ideal for parties and gatherings.

**Highlights:** Fast-paced guessing challenges, Hundreds of questions, Add custom questions, Supports up to 14 players, Score tracking, Offline play, Family-friendly and adult modes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 Second Rule VIP | $4.99 | per 7 days |
| 5 Second Rule VIP | $4.99 | per 7 days |
| 5 Second Rule - VIP | $29.99 | one-time |


## Frequently asked questions

### Is Nucleus Learning free?

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

### Is 5 Second Rule free?

5 Second Rule is free to download, with in-app purchases available.

### Do Nucleus Learning or 5 Second Rule have ads?

Neither Nucleus Learning nor 5 Second Rule shows ads.

### Which is updated more often, Nucleus Learning or 5 Second Rule?

Nucleus Learning ships an update every 6 weeks, and 5 Second Rule monthly. Most recently, Nucleus Learning was updated on September 30, 2026 and 5 Second Rule on October 10, 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.*