Comparison

Add Watermark vs Caesium

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Add Watermark

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
Read full description

Create and Apply Fully customizable watermarks (We aren't kidding). Watermark your content to Protect from unauthorized use (Copyright) OR Apply digital signature to create your Brand. Add watermark provides a complete watermarking solution right on your phone. You can add watermark on Photos and videos. FEATURES - Create and Save Watermarks Save your watermarks as templates. Choose from preset templates or use your own logo. - Batch Processing Watermark hundreds of files at once. - Preview & Adjust Preview Photos before applying Watermarks, position style on individual photos before processing in batch. - Custom Text Watermarks Create fully customized watermarks in seconds. Edit text, color, font, size, rotation, background and more. - Watermark Patterns Choose one of our pre-built pattern to quickly add style to your watermark. - Use Your Company Logo Or Create One Watermarks can also be imported in the form of an image such as a company logo - Copyright Symbols Make your watermark official with a copyright, trademark or a registered symbol. - Pixel-perfect Positioning Position your watermarks with precision. All photos in batch are updated simultaneously. - Fonts Gallore Choose from hundreds of integrated fonts - Digital Signature Digitally sign your pictures and create your own brand. Start protecting your content today! – This App provides monthly and yearly auto-renewable subscriptions for premium features (No Ads and Batch Editing): • Monthly Or Yearly Subscription - allows you to enjoy the app without Ads and get all features unlocked with access to all Template Categories • Length of subscription (You can opt for per month Or per year) • Payment will be charged to iTunes Account at confirmation of purchase • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period • Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable – Terms of use Details https://irisstudioprivacypolicy.wordpress.com/2018/06/20/termsofservice/

About

Caesium

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
Read full description

Caesium is simple and effortless time-tracking for workers, clerks and freelancers. Features: • Real-time or retrospective time-tracking • Statistics and history • Reminders to finish active tasks • iCloud synchronization • Import from and export to CSV files • Optional authentication with FaceID / TouchID • Full features without in-app purchases or subscriptions

Screenshots

Add Watermark4 screens
Caesium4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Add Watermark ships an update every 2 weeks, Caesium every 4 months. The most recent releases landed on September 30, 2026 and August 21, 2026 respectively.

Scorecard8 real differences · 2 level
Add Watermark versus Caesium: the parameters behind the verdict, then further details
ParameterAdd WatermarkCaesium
PriceFree — better$2.99
Rating4.8 (5.8K ratings) — better3.0 (1 ratings)
Positive reviews83.4% of reviews — better0.0% of reviews
Number of ratings5.8K — better1
Update frequencyEvery 2 weeks — betterEvery 4 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size121 MB3 MB
Age rating4+12+
DeveloperSaraswati JavalkarSebastian Staudt

Customer experience

Add Watermark

All ratings5,849 ratings
Positive96.5%
Neutral1.2%
Negative2.3%
Written reviews1,304 reviews
Positive83.4%
Neutral3.5%
Negative13.2%

Caesium

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

Bugs and requests

Add Watermark

Reported bugs

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

Requested features

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

Caesium

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Add Watermark

Subscriptions2
  • Add Watermark - Monthly$6.991 Month
  • Add Watermark - Yearly$39.991 Year
One-time1
  • Add Watermark - One Time$99.99
None

Caesium

No in-app purchases

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 August 21, 2026.

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