# BTREE Systems vs Owlisdom

The clearest difference is iOS requirement: BTREE Systems at 13.0 against Owlisdom's 15.0. 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.

## The numbers

| Metric | BTREE Systems | Owlisdom |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Size | 195 MB | 50 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Testpress Tech Labs LLP](https://appshunter.io/developer/1235683817) | [Develop Together LLC](https://appshunter.io/developer/1798158433) |

## What reviewers say

### BTREE Systems

[App page](https://appshunter.io/ios/app/btree-systems/id6711338576)

**Features:** macOS Compatibility

**In-app purchases:** none


### Owlisdom

[App page](https://appshunter.io/ios/app/owlisdom/id6742395753)

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

**In-app purchases:** none


## Frequently asked questions

### Is BTREE Systems free?

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

### Is Owlisdom free?

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

### Do BTREE Systems or Owlisdom have ads?

Neither BTREE Systems nor Owlisdom shows ads.

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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.*