# Interactive Protist Explorer vs Tree Identifier AI

The clearest difference is price: Tree Identifier AI at Free against Interactive Protist Explorer's $1.99. Interactive Protist Explorer's advantage is in-app purchases (none vs 2) and ads (none vs shown). On update cadence and device support there is nothing between them.

Tree Identifier AI is free to download; Interactive Protist Explorer costs $1.99 up front. Tree Identifier AI sells 2 in-app purchases, starting at $4.99 per 7 days. Interactive Protist Explorer asks for nothing beyond the download.

Interactive Protist Explorer ships an update every 4 months, Tree Identifier AI every 2 months. The most recent releases landed on September 23, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Interactive Protist Explorer | Tree Identifier AI |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[3.8 (30 ratings)](https://appshunter.io/ios/app/tree-identifier-ai-treeiq/id6657986808/reviews)** |
| Number of ratings | — | **30** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 64 MB | 8 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPad, Apple TV | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [Arda Sen](https://appshunter.io/developer/1670665250) |

## What reviewers say

### Interactive Protist Explorer

[App page](https://appshunter.io/ios/app/interactive-protist-explorer/id1270888856)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tree Identifier AI

[App page](https://appshunter.io/ios/app/tree-identifier-ai-treeiq/id6657986808)

Instantly identify tree species by taking or uploading a photo of a leaf. Access detailed information about each tree and maintain a personal journal of your discoveries. Perfect for nature enthusiasts of all levels.

**Highlights:** Instant tree recognition via photo, Detailed species information, Personal tree journal, AI-powered analysis, Extensive database

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Yearly Subscription | $29.99 | per year |


## Frequently asked questions

### Is Interactive Protist Explorer free?

Interactive Protist Explorer costs $1.99, with no in-app purchases.

### Is Tree Identifier AI free?

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

### Do Interactive Protist Explorer or Tree Identifier AI have ads?

Tree Identifier AI shows ads; Interactive Protist Explorer does not.

### Which is updated more often, Interactive Protist Explorer or Tree Identifier AI?

Interactive Protist Explorer ships an update every 4 months, and Tree Identifier AI every 2 months. Most recently, Interactive Protist Explorer was updated on September 23, 2026 and Tree Identifier AI on October 14, 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.*