# Stay Sharp vs Doomlearning

The clearest difference is ads: Stay Sharp at none against Doomlearning's shown. Stay Sharp also leads on iOS requirement (13.0 vs 15.1). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Stay Sharp sells 3 in-app purchases, starting at $2.99 per month and Doomlearning sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Stay Sharp ships an update every 2 weeks, Doomlearning every 3 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Stay Sharp | Doomlearning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stay-sharp-sharpen-your-mind/id6744872720/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 80 MB | 33 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Amane soft s.r.o.](https://appshunter.io/developer/1801423544) | [Kian Wanner](https://appshunter.io/developer/1865424233) |

## What reviewers say

### Stay Sharp

[App page](https://appshunter.io/ios/app/stay-sharp-sharpen-your-mind/id6744872720)

Discover fascinating facts and bite-sized trivia personalized to your interests. Learn something new in seconds, delivered daily on your schedule. Turn screen time into brain time with fun, effortless learning.

**Highlights:** Personalized trivia based on interests, Bite-sized facts under 30 seconds, Customizable daily notifications, Fun and effortless learning, Wide range of topics

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stay Sharp Monthly Sub | $2.99 | per month |
| Stay Sharp Annual Sub | $24.99 | per year |
| Stay Sharp Premium Forever | $39.99 | one-time |


### Doomlearning

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

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

**In-app purchases (2)**

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


## Frequently asked questions

### Is Stay Sharp free?

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

### Is Doomlearning free?

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

### Do Stay Sharp or Doomlearning have ads?

Doomlearning shows ads; Stay Sharp does not.

### Which is updated more often, Stay Sharp or Doomlearning?

Stay Sharp ships an update every 2 weeks, and Doomlearning every 3 weeks. Most recently, Stay Sharp was updated on October 24, 2026 and Doomlearning on October 28, 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.*