# COB vs StampCam Watermark Camera

The clearest difference is rating: COB at 5.0 against StampCam Watermark Camera's 4.6. StampCam Watermark Camera's advantage is update cadence (every 2 weeks vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

COB holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 2 and 5 respectively.

COB ships an update every 2 months, StampCam Watermark Camera every 2 weeks. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | COB | StampCam Watermark Camera |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cob-eoffice/id1578068882/reviews)** | [4.6 (5 ratings)](https://appshunter.io/ios/app/stampcam-watermark-camera/id6771804548/reviews) |
| Number of ratings | 2 | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 41 MB | 10 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Co-opBank](https://appshunter.io/developer/1578068884) | [辉全 钟](https://appshunter.io/developer/6771585530) |

## What reviewers say

### COB

[App page](https://appshunter.io/ios/app/cob-eoffice/id1578068882)

This electronic office solution streamlines business operations with digital document management and workflow automation. It aims to enhance efficiency and accessibility for corporate users.

**Highlights:** Electronic office solution, Digital document management, Workflow automation, Business operations enhancement, Increased efficiency

**Features:** macOS Compatibility

**In-app purchases:** none


### StampCam Watermark Camera

[App page](https://appshunter.io/ios/app/stampcam-watermark-camera/id6771804548)

Easily add tamper-proof watermarks to photos and videos with real-time location and time stamps. This app offers industry-specific templates and customization options to create verifiable records for professional use.

**Highlights:** Real-time and location stamping, Tamper-proof and verifiable watermarks, Industry-specific watermark templates, Customizable watermark fields, HD preview and quick sharing, Multiple lines of custom text

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

**In-app purchases:** none


## Frequently asked questions

### Is COB free?

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

### Is StampCam Watermark Camera free?

StampCam Watermark Camera is free to download, with no in-app purchases.

### Which has better reviews, COB or StampCam Watermark Camera?

COB is rated higher. COB averages 5.0 out of 5 from 2 ratings, while StampCam Watermark Camera averages 4.6 from 5 ratings.

### Do COB or StampCam Watermark Camera have ads?

Neither COB nor StampCam Watermark Camera shows ads.

### Which is updated more often, COB or StampCam Watermark Camera?

COB ships an update every 2 months, and StampCam Watermark Camera every 2 weeks. Most recently, COB was updated on October 10, 2026 and StampCam Watermark Camera on October 8, 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.*