# AlienAlp vs Tree Identifier

The clearest difference is in-app purchases: AlienAlp at none against Tree Identifier's 4. AlienAlp also leads on iOS requirement (11.0 vs 17.0). Tree Identifier's advantage is update cadence (monthly vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. Tree Identifier sells 4 in-app purchases, starting at $4.99 per 7 days. AlienAlp asks for nothing beyond the download.

AlienAlp ships an update every 5 months, Tree Identifier monthly. The most recent releases landed on September 17, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | AlienAlp | Tree Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (16 ratings)](https://appshunter.io/ios/app/tree-identifier-tree-id/id6670423317/reviews)** |
| Number of ratings | — | **16** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 50 MB | 40 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [INSTITUT AGRICOLE REGIONAL](https://appshunter.io/developer/1465241726) | [NextPixel apps](https://appshunter.io/developer/1584487280) |

## What reviewers say

### AlienAlp

[App page](https://appshunter.io/ios/app/alienalp/id1465241727)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tree Identifier

[App page](https://appshunter.io/ios/app/tree-identifier-tree-id/id6670423317)

Instantly identify trees using AI by scanning images or real trees around you. Discover detailed information about their characteristics, family, uses, and history. Export and share your findings.

**Highlights:** AI-powered tree scanning, Identify trees from photos, Detailed tree characteristics, Tree history information, Export findings as PDF, Share identification results

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tree Identifier - Weekly Plan | $4.99 | per 7 days |
| Weekly Plan - What Tree | $4.99 | per 7 days |
| Monthly Plan - Identify Tree | $9.99 | per month |
| Tree Identifier - Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is AlienAlp free?

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

### Is Tree Identifier free?

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

### Do AlienAlp or Tree Identifier have ads?

Neither AlienAlp nor Tree Identifier shows ads.

### Which is updated more often, AlienAlp or Tree Identifier?

AlienAlp ships an update every 5 months, and Tree Identifier monthly. Most recently, AlienAlp was updated on September 17, 2026 and Tree Identifier on September 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*