# JARVIS鹰眼拍摄相机 vs Dual Camera・Front Back

The clearest difference is in-app purchases: JARVIS鹰眼拍摄相机 at none against Dual Camera・Front Back's 3. Dual Camera・Front Back's advantage is update cadence (every 2 weeks vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Dual Camera・Front Back sells 3 in-app purchases, starting at $0.99 per month. JARVIS鹰眼拍摄相机 asks for nothing beyond the download.

JARVIS鹰眼拍摄相机 ships an update monthly, Dual Camera・Front Back every 2 weeks. The most recent releases landed on October 14, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | JARVIS鹰眼拍摄相机 | Dual Camera・Front Back |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 168 MB | 33 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [isBIM Limited](https://appshunter.io/developer/411637600) | [Nanjing Dark Matter Tech Co., Ltd.](https://appshunter.io/developer/1885416455) |

## What reviewers say

### JARVIS鹰眼拍摄相机

[App page](https://appshunter.io/ios/app/jarvis/id6449169316)

**Features:** Vision Pro support

**In-app purchases:** none


### Dual Camera・Front Back

[App page](https://appshunter.io/ios/app/dual-camerafront-back/id6784571437)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $6.99 | per year |
| Permanent VIP | $12.99 | one-time |


## Frequently asked questions

### Is JARVIS鹰眼拍摄相机 free?

JARVIS鹰眼拍摄相机 is free to download, with no in-app purchases.

### Is Dual Camera・Front Back free?

Dual Camera・Front Back is free to download, with in-app purchases available.

### Do JARVIS鹰眼拍摄相机 or Dual Camera・Front Back have ads?

Neither JARVIS鹰眼拍摄相机 nor Dual Camera・Front Back shows ads.

### Which is updated more often, JARVIS鹰眼拍摄相机 or Dual Camera・Front Back?

JARVIS鹰眼拍摄相机 ships an update monthly, and Dual Camera・Front Back every 2 weeks. Most recently, JARVIS鹰眼拍摄相机 was updated on October 14, 2026 and Dual Camera・Front Back on October 17, 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.*