# Screen Time Learning Challenge vs Marble

The clearest difference is review sentiment: Screen Time Learning Challenge at 100% against Marble's 50%. Screen Time Learning Challenge also leads on rating (5.0 vs 3.1) and iOS requirement (18.6 vs 26.0). Marble's advantage is in-app purchases (none vs 4) and update cadence (every 3 days vs every 2 weeks). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Screen Time Learning Challenge sells 4 in-app purchases, starting at $4.99 per month. Marble asks for nothing beyond the download.

Screen Time Learning Challenge holds the better App Store score, 5.0 against 3.1. Both are backed by a comparable volume of ratings — 3 and 8 respectively. Written reviews point the same way: 100% of Screen Time Learning Challenge's written reviews are positive against 50% of Marble's.

Screen Time Learning Challenge ships an update every 2 weeks, Marble every 3 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Screen Time Learning Challenge | Marble |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/screen-time-learning-challenge/id6755341762/reviews)** | [3.1 (8 ratings)](https://appshunter.io/ios/app/marble-stay-curious/id6773408198/reviews) |
| Number of ratings | 3 | **8** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Freemium | **Free** |
| Size | 498 MB | 797 MB |
| Requires iOS | **18.6** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Domenic Talese](https://appshunter.io/developer/1853286495) | [Generative Spark Inc](https://appshunter.io/developer/1866853008) |

## What reviewers say

### Screen Time Learning Challenge

[App page](https://appshunter.io/ios/app/screen-time-learning-challenge/id6755341762)

This app helps families establish a healthy routine by requiring children to complete educational challenges before accessing games or other apps. Parents can customize blocked apps, set learning goals, and schedule screen time. A free preview mode is available to explore core features.

**Highlights:** Educational challenges for screen time access, Customizable blocked apps and categories, Math and spelling learning modules, Parent-controlled challenge goals and difficulty, Scheduled screen time (bedtime, homework), Progress tracking for learning achievements

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Screen Time Math Challenge | $4.99 | per month |
| STMC Premium Monthly | $9.99 | per month |
| STMC Base Yearly | $34.99 | per year |
| STMC Premium Yearly | $79.99 | per year |


### Marble

[App page](https://appshunter.io/ios/app/marble-stay-curious/id6773408198)

An interactive world designed to spark children's curiosity into learning through exploration, quests, and problem-solving. It adapts to their interests and learning levels, offering engaging challenges and real-world activity ideas.

**Highlights:** Interactive learning worlds, Adaptive quests and challenges, Parental progress reports, Real-world activity suggestions, COPPA compliant, Designed for ages 6-12

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Screen Time Learning Challenge free?

Screen Time Learning Challenge is free to download, with in-app purchases available.

### Is Marble free?

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

### Which has better reviews, Screen Time Learning Challenge or Marble?

Screen Time Learning Challenge is rated higher. Screen Time Learning Challenge averages 5.0 out of 5 from 3 ratings, while Marble averages 3.1 from 8 ratings.

### Do Screen Time Learning Challenge or Marble have ads?

Neither Screen Time Learning Challenge nor Marble shows ads.

### Which is updated more often, Screen Time Learning Challenge or Marble?

Screen Time Learning Challenge ships an update every 2 weeks, and Marble every 3 days. Most recently, Screen Time Learning Challenge was updated on October 30, 2026 and Marble on October 31, 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.*