# Federation of Master Builders vs EasyBOP Knowledge

The clearest difference is iOS requirement: Federation of Master Builders at 15.1 against EasyBOP Knowledge's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Federation of Master Builders ships an update every 2 months, EasyBOP Knowledge every 6 weeks. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Federation of Master Builders | EasyBOP Knowledge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Size | 64 MB | 60 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Federation of Master Builders](https://appshunter.io/developer/1721906703) | [Propeller Studios](https://appshunter.io/developer/1251453660) |

## What reviewers say

### Federation of Master Builders

[App page](https://appshunter.io/ios/app/federation-of-master-builders/id6474556786)

**Features:** macOS Compatibility

**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 Federation of Master Builders free?

Federation of Master Builders 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 Federation of Master Builders or EasyBOP Knowledge have ads?

Neither Federation of Master Builders nor EasyBOP Knowledge shows ads.

### Which is updated more often, Federation of Master Builders or EasyBOP Knowledge?

Federation of Master Builders ships an update every 2 months, and EasyBOP Knowledge every 6 weeks. Most recently, Federation of Master Builders was updated on November 4, 2026 and EasyBOP Knowledge on October 31, 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.*