# AR2U vs Daily knowledge

The clearest difference is in-app purchases: AR2U at none against Daily knowledge's 3. AR2U also leads on iOS requirement (9.0 vs 12.0). Daily knowledge's advantage is update cadence (every 4 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Daily knowledge sells 3 in-app purchases, starting at $3.99 per month. AR2U asks for nothing beyond the download.

AR2U ships an update every 3 months, Daily knowledge every 4 days. The most recent releases landed on October 4, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | AR2U | Daily knowledge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 65 MB | 67 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sim IT Sdn Bhd](https://appshunter.io/developer/510575981) | [YOUNG HWAN YU](https://appshunter.io/developer/1542572995) |

## What reviewers say

### AR2U

[App page](https://appshunter.io/ios/app/ar2u/id1509641211)

**In-app purchases:** none


### Daily knowledge

[App page](https://appshunter.io/ios/app/daily-knowledge-ai/id6742365562)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month | $3.99 | per month |
| 12 months | $29.99 | per year |
| LifeTime access | $44.99 | one-time |


## Frequently asked questions

### Is AR2U free?

AR2U is free to download, with no in-app purchases.

### Is Daily knowledge free?

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

### Do AR2U or Daily knowledge have ads?

Neither AR2U nor Daily knowledge shows ads.

### Which is updated more often, AR2U or Daily knowledge?

AR2U ships an update every 3 months, and Daily knowledge every 4 days. Most recently, AR2U was updated on October 4, 2026 and Daily knowledge on September 26, 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.*