# OASYS H2A 2 vs Onex Project Tree

The clearest difference is iOS requirement: Onex Project Tree at 11.0 against OASYS H2A 2's 15.0. 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.

OASYS H2A 2 ships an update monthly, Onex Project Tree every 6 weeks. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | OASYS H2A 2 | Onex Project Tree |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Size | 48 MB | 45 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OASYS InfoTech](https://appshunter.io/developer/1072284692) | [Suraj Rameshwar Dubey](https://appshunter.io/developer/1037576555) |

## What reviewers say

### OASYS H2A 2

[App page](https://appshunter.io/ios/app/oasys-h2a-2/id1289657426)

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

**In-app purchases:** none


### Onex Project Tree

[App page](https://appshunter.io/ios/app/onex-project-tree/id1465694929)

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

**In-app purchases:** none


## Frequently asked questions

### Is OASYS H2A 2 free?

OASYS H2A 2 is free to download, with no in-app purchases.

### Is Onex Project Tree free?

Onex Project Tree is free to download, with no in-app purchases.

### Do OASYS H2A 2 or Onex Project Tree have ads?

Neither OASYS H2A 2 nor Onex Project Tree shows ads.

### Which is updated more often, OASYS H2A 2 or Onex Project Tree?

OASYS H2A 2 ships an update monthly, and Onex Project Tree every 6 weeks. Most recently, OASYS H2A 2 was updated on October 6, 2026 and Onex Project Tree on October 13, 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.*