# Add Watermark vs Caesium

The clearest difference is review sentiment: Add Watermark at 83% against Caesium's 0%. Add Watermark also leads on price (Free vs $2.99) and rating (4.8 vs 3.0). Caesium's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Add Watermark is free to download; Caesium costs $2.99 up front. Add Watermark sells 3 in-app purchases, starting at $6.99 per month. Caesium asks for nothing beyond the download.

Add Watermark holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Add Watermark has 5.8K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 83% of Add Watermark's written reviews are positive against 0% of Caesium's.

Add Watermark ships an update every 2 weeks, Caesium every 4 months. The most recent releases landed on September 30, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Add Watermark | Caesium |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.8 (5.8K ratings)](https://appshunter.io/ios/app/add-watermark-batch-process/id1401798417/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/caesium/id1490072981/reviews) |
| Number of ratings | **5.8K** | 1 |
| Positive reviews | **83.4% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 121 MB | 3 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Saraswati Javalkar](https://appshunter.io/developer/1305053157) | [Sebastian Staudt](https://appshunter.io/developer/539259111) |

## What reviewers say

### Add Watermark

[App page](https://appshunter.io/ios/app/add-watermark-batch-process/id1401798417)

Protect your photos and videos from unauthorized use by adding custom watermarks. This app offers batch processing, allowing you to watermark hundreds of files at once. Create personalized text or image-based watermarks with precise positioning and a variety of fonts and patterns.

**Highlights:** Create and save custom watermarks, Batch process hundreds of files, Preview and adjust watermarks, Custom text and image watermarks, Pixel-perfect positioning, Copyright and trademark symbols

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add Watermark - Monthly | $6.99 | per month |
| Add Watermark - Yearly | $39.99 | per year |
| Add Watermark - One Time | $99.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 🚀 Batch processing
- 🚀 Customizable watermarks
- 👍 User-friendly interface
- 👍 Effective for protecting images

**What reviewers complain about**

- 🐛 Crashes and freezes
- 🐛 Watermark quality issues
- 🔒 Lack of transparency on free version limits
- 🔋 High battery consumption
- 💡 Limited font and design options

**Reported bugs**

- App crashes on launch
- Watermarks not saving properly
- Compatibility issues with newer OS versions

**Requested features**

- Allow saving custom watermarks
- Add more font and design options
- Improve syncing across devices
- Provide more transparency on free version limits


### Caesium

[App page](https://appshunter.io/ios/app/caesium/id1490072981)

This app offers simple and effortless time-tracking for professionals and freelancers. It provides real-time or retrospective tracking, detailed statistics, and reminders. Data can be synchronized via iCloud and exported to CSV files.

**Highlights:** Real-time or retrospective time-tracking, Statistics and history, Task reminders, iCloud synchronization, CSV import/export, FaceID/TouchID authentication

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

**In-app purchases:** none


## Frequently asked questions

### Is Add Watermark free?

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

### Is Caesium free?

Caesium costs $2.99, with no in-app purchases.

### Which has better reviews, Add Watermark or Caesium?

Add Watermark is rated higher. Add Watermark averages 4.8 out of 5 from 5.8K ratings, while Caesium averages 3.0 from 1 ratings.

### Do Add Watermark or Caesium have ads?

Add Watermark shows ads; Caesium does not.

### Which is updated more often, Add Watermark or Caesium?

Add Watermark ships an update every 2 weeks, and Caesium every 4 months. Most recently, Add Watermark was updated on September 30, 2026 and Caesium on September 16, 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.*