# Tree Identifier vs ERJ hub

The clearest difference is in-app purchases: ERJ hub at none against Tree Identifier's 2. ERJ hub also leads on iOS requirement (15.1 vs 17.6). Tree Identifier's advantage is update cadence (daily vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Tree Identifier sells 2 in-app purchases, starting at $5.99 per 7 days. ERJ hub asks for nothing beyond the download.

Tree Identifier ships an update daily, ERJ hub every 3 weeks. The most recent releases landed on October 21, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Tree Identifier | ERJ hub |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 weeks |
| Size | 10 MB | 37 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Hausen](https://appshunter.io/developer/1794777127) | [Jesus Paolo Montero](https://appshunter.io/developer/1780276187) |

## What reviewers say

### Tree Identifier

[App page](https://appshunter.io/ios/app/tree-identifier-tree-ai/id6747577038)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly $5.99, 3 Days Free | $5.99 | per 7 days |
| Annual $29.99 | $29.99 | per year |


### ERJ hub

[App page](https://appshunter.io/ios/app/erj-hub/id6755725088)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tree Identifier free?

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

### Is ERJ hub free?

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

### Do Tree Identifier or ERJ hub have ads?

Neither Tree Identifier nor ERJ hub shows ads.

### Which is updated more often, Tree Identifier or ERJ hub?

Tree Identifier ships an update daily, and ERJ hub every 3 weeks. Most recently, Tree Identifier was updated on October 21, 2026 and ERJ hub on October 28, 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.*