# BatchMark vs DuaCam

The clearest difference is in-app purchases: DuaCam at none against BatchMark's 4. BatchMark's advantage is update cadence (every 4 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. BatchMark sells 4 in-app purchases, starting at $0.99 per 7 days. DuaCam asks for nothing beyond the download.

BatchMark ships an update every 4 days, DuaCam monthly. The most recent releases landed on October 21, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | BatchMark | DuaCam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/batchmark-photo-watermark/id6759683285/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Monthly |
| Monetization | Subscription | — |
| Size | 207 MB | 6 MB |
| Requires iOS | 17.1 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [晨龙 于](https://appshunter.io/developer/1747231927) | [Lite Guo](https://appshunter.io/developer/1848261172) |

## What reviewers say

### BatchMark

[App page](https://appshunter.io/ios/app/batchmark-photo-watermark/id6759683285)

Easily add custom text, logos, or EXIF data to multiple photos simultaneously. This tool preserves original quality and processes everything on your device for maximum privacy. Perfect for branding, protection, and professional workflows.

**Highlights:** Batch watermarking, Custom text and logo overlays, EXIF camera frame stamping, Adjustable watermark position, size, and opacity, Texture filter application, Lossless export, On-device processing

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $0.99 | per 7 days |
| Monthly Pro | $3.99 | per month |
| 年度会员 | $39.99 | per year |
| Lifetime Pro | $49.99 | one-time |


### DuaCam

[App page](https://appshunter.io/ios/app/duacam/id6760931256)

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

**In-app purchases:** none


## Frequently asked questions

### Is BatchMark free?

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

### Is DuaCam free?

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

### Do BatchMark or DuaCam have ads?

Neither BatchMark nor DuaCam shows ads.

### Which is updated more often, BatchMark or DuaCam?

BatchMark ships an update every 4 days, and DuaCam monthly. Most recently, BatchMark was updated on October 21, 2026 and DuaCam on September 29, 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.*