# Krumbit vs Doomlearning

The clearest difference is in-app purchases: Krumbit at none against Doomlearning's 2. Krumbit also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

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

Krumbit ships an update weekly, Doomlearning every 4 days. The most recent releases landed on September 16, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Krumbit | Doomlearning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (15 ratings)](https://appshunter.io/ios/app/krumbit-learn-while-scrolling/id6747910126/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 93.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free | — |
| Size | 56 MB | 33 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Boqiang Liang](https://appshunter.io/developer/1762321893) | [Kian Wanner](https://appshunter.io/developer/1865424233) |

## What reviewers say

### 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


### Doomlearning

[App page](https://appshunter.io/ios/app/doomlearning/id6757226003)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Annual | $14.99 | per year |


## Frequently asked questions

### Is Krumbit free?

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

### Is Doomlearning free?

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

### Do Krumbit or Doomlearning have ads?

Doomlearning shows ads; Krumbit does not.

### Which is updated more often, Krumbit or Doomlearning?

Krumbit ships an update weekly, and Doomlearning every 4 days. Most recently, Krumbit was updated on September 16, 2026 and Doomlearning on September 9, 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.*