# Knowledgy vs רחפן

The clearest difference is update cadence: רחפן at every 2 days against Knowledgy's weekly. Knowledgy's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Knowledgy sells 1 one-off in-app purchase and רחפן sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Knowledgy ships an update weekly, רחפן every 2 days. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Knowledgy | רחפן |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Size | 29 MB | 10 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [The Datum Company](https://appshunter.io/developer/1424384309) | [Ron Yahav](https://appshunter.io/developer/1879738117) |

## What reviewers say

### Knowledgy

[App page](https://appshunter.io/ios/app/knowledgy/id1424384310)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $2.99 | one-time |


### רחפן

[App page](https://appshunter.io/ios/app/id6812970624)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| גישה מלאה לכל החיים | $49.99 | one-time |


## Frequently asked questions

### Is Knowledgy free?

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

### Is רחפן free?

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

### Do Knowledgy or רחפן have ads?

Neither Knowledgy nor רחפן shows ads.

### Which is updated more often, Knowledgy or רחפן?

Knowledgy ships an update weekly, and רחפן every 2 days. Most recently, Knowledgy was updated on October 29, 2026 and רחפן on October 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.*