# 横竖双拍 vs Dual Camera・Front Back

The clearest difference is update cadence: 横竖双拍 at every 5 days against Dual Camera・Front Back's every 2 weeks. Dual Camera・Front Back's advantage is iOS requirement (15.1 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 横竖双拍 sells 1 one-off in-app purchase and Dual Camera・Front Back sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

横竖双拍 ships an update every 5 days, Dual Camera・Front Back every 2 weeks. The most recent releases landed on September 9, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | 横竖双拍 | Dual Camera・Front Back |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Size | 2 MB | 33 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [明杰 张](https://appshunter.io/developer/6778631215) | [Nanjing Dark Matter Tech Co., Ltd.](https://appshunter.io/developer/1885416455) |

## What reviewers say

### 横竖双拍

[App page](https://appshunter.io/ios/app/dual-camera/id6778661719)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁 Pro 版 | $2.99 | one-time |


### 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 横竖双拍 free?

横竖双拍 is free to download, with in-app purchases available.

### Is Dual Camera・Front Back free?

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

### Do 横竖双拍 or Dual Camera・Front Back have ads?

Neither 横竖双拍 nor Dual Camera・Front Back shows ads.

### Which is updated more often, 横竖双拍 or Dual Camera・Front Back?

横竖双拍 ships an update every 5 days, and Dual Camera・Front Back every 2 weeks. Most recently, 横竖双拍 was updated on September 9, 2026 and Dual Camera・Front Back on September 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.*