# Tree vs Ark AI!

The clearest difference is price: Ark AI! at Free against Tree's $0.99. Tree's advantage is in-app purchases (none vs 1) and update cadence (every 8 days vs every 3 weeks). On ads and device support there is nothing between them.

Ark AI! is free to download; Tree costs $0.99 up front. Ark AI! sells 1 one-off in-app purchase. Tree asks for nothing beyond the download.

Tree ships an update every 8 days, Ark AI! every 3 weeks. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Tree | Ark AI! |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/ark-ai/id6767446756/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Monetization | — | Free |
| Best chart rank | **#190** | — |
| Size | 4 MB | 11 MB |
| Requires iOS | **17.6** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [绪 陈](https://appshunter.io/developer/1753833484) | [Digital Architect Labs LLC](https://appshunter.io/developer/1716474322) |

## What reviewers say

### Tree

[App page](https://appshunter.io/ios/app/tree-meta-data-for-indexing/id6757470237)

**Currently charting:** #190 Top Paid · Productivity (US App Store)

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

**In-app purchases:** none


### Ark AI!

[App page](https://appshunter.io/ios/app/ark-ai/id6767446756)

This app provides an offline AI assistant for survival and preparedness. It allows users to ask practical questions, organize notes, and search personal documents without an internet connection. Designed for situations where connectivity is unreliable or unavailable, it prioritizes privacy and self-reliance.

**Highlights:** Offline AI Chat, Ark Vault for document import, Cited sources for information, Ark Notes for saving responses, Emergency-oriented design, Private by design

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ark AI Full Unlock | $0.99 | one-time |


## Frequently asked questions

### Is Tree free?

Tree costs $0.99, with no in-app purchases.

### Is Ark AI! free?

Ark AI! is free to download, with in-app purchases available.

### Do Tree or Ark AI! have ads?

Neither Tree nor Ark AI! shows ads.

### Which is updated more often, Tree or Ark AI!?

Tree ships an update every 8 days, and Ark AI! every 3 weeks. Most recently, Tree was updated on October 18, 2026 and Ark AI! on October 24, 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.*