# DuetShot vs OnLens

The clearest difference is update cadence: OnLens at daily against DuetShot's every 4 days. DuetShot'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. DuetShot sells 1 one-off in-app purchase and OnLens sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

DuetShot ships an update every 4 days, OnLens daily. The most recent releases landed on October 9, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | DuetShot | OnLens |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Daily** |
| Size | 78 MB | 3 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HAOTIAN WU](https://appshunter.io/developer/1859857372) | [建中 李](https://appshunter.io/developer/1894500745) |

## What reviewers say

### DuetShot

[App page](https://appshunter.io/ios/app/duetshot-split-screen-camera/id6763319160)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dual Cam Pro | $4.99 | one-time |


### OnLens

[App page](https://appshunter.io/ios/app/onlens/id6766059430)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| onLens | $1.99 | one-time |


## Frequently asked questions

### Is DuetShot free?

DuetShot is free to download, with in-app purchases available.

### Is OnLens free?

OnLens is free to download, with in-app purchases available.

### Do DuetShot or OnLens have ads?

Neither DuetShot nor OnLens shows ads.

### Which is updated more often, DuetShot or OnLens?

DuetShot ships an update every 4 days, and OnLens daily. Most recently, DuetShot was updated on October 9, 2026 and OnLens on September 25, 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.*