# Ostara Mobile vs EasyBOP Knowledge

The clearest difference is update cadence: EasyBOP Knowledge at every 6 weeks against Ostara Mobile's every 4 months. Ostara Mobile's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ostara Mobile ships an update every 4 months, EasyBOP Knowledge every 6 weeks. The most recent releases landed on September 26, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Ostara Mobile | EasyBOP Knowledge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Size | 62 MB | 60 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ostara Systems Ltd](https://appshunter.io/developer/830539538) | [Propeller Studios](https://appshunter.io/developer/1251453660) |

## What reviewers say

### Ostara Mobile

[App page](https://appshunter.io/ios/app/ostara-mobile/id1545563422)

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

**In-app purchases:** none


### EasyBOP Knowledge

[App page](https://appshunter.io/ios/app/easybop-knowledge/id6759711318)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ostara Mobile free?

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

### Is EasyBOP Knowledge free?

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

### Do Ostara Mobile or EasyBOP Knowledge have ads?

Neither Ostara Mobile nor EasyBOP Knowledge shows ads.

### Which is updated more often, Ostara Mobile or EasyBOP Knowledge?

Ostara Mobile ships an update every 4 months, and EasyBOP Knowledge every 6 weeks. Most recently, Ostara Mobile was updated on September 26, 2026 and EasyBOP Knowledge on October 5, 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.*