# BrainTime | Earned Screen Time vs Krumbit

The clearest difference is rating: BrainTime | Earned Screen Time at 5.0 against Krumbit's 4.5. Krumbit's advantage is in-app purchases (none vs 2) and ratings volume (15 vs 3). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. BrainTime | Earned Screen Time sells 2 in-app purchases, starting at $2.99 per month. Krumbit asks for nothing beyond the download.

BrainTime | Earned Screen Time holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Krumbit has 15 ratings behind it against 3, so its average is the more settled of the two.

BrainTime | Earned Screen Time ships an update every 4 days, Krumbit weekly. The most recent releases landed on July 29, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | BrainTime | Earned Screen Time | Krumbit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/braintime-earned-screen-time/id6743098532/reviews)** | [4.5 (15 ratings)](https://appshunter.io/ios/app/krumbit-learn-while-scrolling/id6747910126/reviews) |
| Number of ratings | 3 | **15** |
| Positive reviews | — | 93.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Freemium | **Free** |
| Size | 38 MB | 56 MB |
| Requires iOS | 18.2 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [ProductMaxingSolutions LLC](https://appshunter.io/developer/1801318941) | [Boqiang Liang](https://appshunter.io/developer/1762321893) |

## What reviewers say

### BrainTime | Earned Screen Time

[App page](https://appshunter.io/ios/app/braintime-earned-screen-time/id6743098532)

This app encourages mindful phone usage by allowing you to block apps and earn credits through learning. Answer questions or create your own learning material to unlock access to your blocked applications, promoting a balance between learning and scrolling.

**Highlights:** Block any app, Earn credits by answering questions, Create custom learning material, Unlock apps with earned credits, Promotes mindful phone use, Combines education and intention

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BrainTime Pro - Monthly | $2.99 | per month |
| BrainTime Pro - Annual | $19.99 | per year |


### Krumbit

[App page](https://appshunter.io/ios/app/krumbit-learn-while-scrolling/id6747910126)

This app transforms your scrolling time into learning opportunities. Watch short video lessons on various topics and test your knowledge with quick quizzes. Build a daily habit of continuous learning in just minutes a day.

**Highlights:** Bite-sized video lessons, Quick quizzes, Daily streak tracking, Progress monitoring, Explore diverse topics, In-app feedback

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

**In-app purchases:** none


## Frequently asked questions

### Is BrainTime | Earned Screen Time free?

BrainTime | Earned Screen Time is free to download, with in-app purchases available.

### Is Krumbit free?

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

### Which has better reviews, BrainTime | Earned Screen Time or Krumbit?

BrainTime | Earned Screen Time is rated higher. BrainTime | Earned Screen Time averages 5.0 out of 5 from 3 ratings, while Krumbit averages 4.5 from 15 ratings.

### Do BrainTime | Earned Screen Time or Krumbit have ads?

Neither BrainTime | Earned Screen Time nor Krumbit shows ads.

### Which is updated more often, BrainTime | Earned Screen Time or Krumbit?

BrainTime | Earned Screen Time ships an update every 4 days, and Krumbit weekly. Most recently, BrainTime | Earned Screen Time was updated on July 29, 2026 and Krumbit on September 16, 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.*