# ChatAI聊天 vs Measure Height With Camera App

The clearest difference is in-app purchases: ChatAI聊天 at none against Measure Height With Camera App's 3. ChatAI聊天 also leads on iOS requirement (10.1 vs 18.0). Measure Height With Camera App's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Measure Height With Camera App sells 3 in-app purchases, starting at $4.99 per month. ChatAI聊天 asks for nothing beyond the download.

ChatAI聊天 ships an update every 2 months, Measure Height With Camera App every 3 weeks. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | ChatAI聊天 | Measure Height With Camera App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.1 (121 ratings)](https://appshunter.io/ios/app/measure-height-with-camera-app/id1616670309/reviews)** |
| Number of ratings | — | **121** |
| Positive reviews | — | 43.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 66 MB | 59 MB |
| Requires iOS | **10.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [新 张](https://appshunter.io/developer/766514344) | [Irina Metelkina](https://appshunter.io/developer/1616464605) |

## What reviewers say

### ChatAI聊天

[App page](https://appshunter.io/ios/app/chatai/id767216349)

**Features:** macOS Compatibility

**In-app purchases:** none


### Measure Height With Camera App

[App page](https://appshunter.io/ios/app/measure-height-with-camera-app/id1616670309)

Easily measure the height of large objects like buildings and trees using your phone's camera. Simply detect the ground, mark the object's lowest and highest points, and get an accurate measurement. Save your measurements in the app's history.

**Highlights:** Measure large objects like buildings and trees, Detect ground and mark object points, Accurate measurement results, Save measurements in history, Easy 3-step process

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $4.99 | per month |
| Yearly Subscription | $9.99 | per year |
| Yearly subscription | $24.99 | per year |


## Frequently asked questions

### Is ChatAI聊天 free?

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

### Is Measure Height With Camera App free?

Measure Height With Camera App is free to download, with in-app purchases available.

### Do ChatAI聊天 or Measure Height With Camera App have ads?

Both ChatAI聊天 and Measure Height With Camera App show ads.

### Which is updated more often, ChatAI聊天 or Measure Height With Camera App?

ChatAI聊天 ships an update every 2 months, and Measure Height With Camera App every 3 weeks. Most recently, ChatAI聊天 was updated on October 26, 2026 and Measure Height With Camera App on October 27, 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.*