# Joint Angle Camera vs 怀一之眼

The clearest difference is in-app purchases: 怀一之眼 at none against Joint Angle Camera's 1. 怀一之眼 also leads on update cadence (every 4 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Joint Angle Camera sells 1 one-off in-app purchase. 怀一之眼 asks for nothing beyond the download.

Joint Angle Camera ships an update every 3 weeks, 怀一之眼 every 4 days. The most recent releases landed on October 31, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Joint Angle Camera | 怀一之眼 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Size | 61 MB | 38 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [鹏 徐](https://appshunter.io/developer/6775937457) | [怀一 陈](https://appshunter.io/developer/6782769109) |

## What reviewers say

### Joint Angle Camera

[App page](https://appshunter.io/ios/app/joint-angle-camera/id6776578930)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro forever | $4.99 | one-time |


### 怀一之眼

[App page](https://appshunter.io/ios/app/id6794672838)

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

**In-app purchases:** none


## Frequently asked questions

### Is Joint Angle Camera free?

Joint Angle Camera is free to download, with in-app purchases available.

### Is 怀一之眼 free?

怀一之眼 is free to download, with no in-app purchases.

### Do Joint Angle Camera or 怀一之眼 have ads?

Neither Joint Angle Camera nor 怀一之眼 shows ads.

### Which is updated more often, Joint Angle Camera or 怀一之眼?

Joint Angle Camera ships an update every 3 weeks, and 怀一之眼 every 4 days. Most recently, Joint Angle Camera was updated on October 31, 2026 and 怀一之眼 on November 9, 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.*