Comparison

Metadata Stamp vs RainMark

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

Head to head
About

Metadata Stamp

Easily add a timestamp and camera metadata to your photos. Customize the footer with details like camera model, focal length, and ISO. An in-app purchase removes the app's branding from your final images.

Highlights
  • Add photo timestamp
  • Include camera metadata
  • Customize footer details
  • Remove app branding via IAP
  • Supports iPhone and iPad
Features
Read full description

Metadata Stamp is an App that can add a timestamp on a photo. The footer contains some metadata items of the photo such as logo of camera maker, camera model, focal length, F number, exposure time, ISO. You need to purchase an in-app purchase product to remove the app name and icon from the result image.

About

RainMark

Enhance your photos with professional watermark borders that automatically display shooting parameters. Choose from a variety of design templates and customize your signature and layout for a unique look. Export your creations in original quality with fast batch processing.

Highlights
  • Smart EXIF parameter reading
  • Professional design templates
  • Deep watermark customization
  • Signature support (text/image)
  • Ultra-fast batch processing
  • Original quality export
  • Real-time preview
Features
Read full description

RainMark - Make Every Photo a Masterpiece A professional watermark border tool designed for photographers and enthusiasts. Automatically read and display detailed shooting parameters (EXIF), and choose from a massive library of professional templates to make your work stand out on social media. Key Features Smart EXIF Parameter Reading Automatically identify and display photo shooting information, including: Core Parameters: Aperture (F), Shutter Speed, ISO, Focal Length (including 35mm equivalent) Device Info: Camera Model, Lens Model, Shooting Time Location: GPS Coordinates Supports RAW format import (CR2, NEF, ARW, DNG, etc.) to restore the most authentic shooting data. Professional Design Templates Selected templates in various styles to instantly elevate your photos: Classic Series: Restore the classic texture of film and photo paper Simple Series: The art of white space, highlighting the subject Transparent Series: Floating parameters, full of modern sense Creative Series: Unique layout to show personality Deep Customization Create your exclusive watermark, refuse to be the same: Signature: Support text signature (custom font, weight, color) and image signature Visual Tweaks: Precisely control image corner radius, shadow strength, shadow color Layout: Adjust margins and spacing as you like Color Management: Built-in "Dopamine" color schemes, supporting auto-inversion and custom color picking Flagship Export Experience Ultra-fast Batch Processing: Newly optimized export engine with lower memory usage and rocket-like speed Original Quality Output: Support JPG/PNG formats, optional original quality to ensure lossless image quality Real-time Preview: Support grid/list dual view preview, what you see is what you get Smooth Interactive Experience Perfectly adapted to dark mode, comfortable for night editing Haptic feedback design, every operation is precise and pleasing Simple and intuitive interface, beginners can become professional photographers in seconds Whether it's mobile photography recording daily life or professional creation pursuing ultimate image quality, RainMark adds the finishing touch to your work. Download now and start your professional photography showcase journey!

Screenshots

Metadata Stamp4 screens
RainMark4 screens

Verdict

The call

The clearest difference is in-app purchases: RainMark at none against Metadata Stamp's 1. RainMark also leads on device support (4 vs 2) and iOS requirement (12 vs 17.0). On price, rating, ratings volume and update cadence 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

Both are free to download. Metadata Stamp sells 1 one-off in-app purchase. RainMark asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Metadata Stamp against 5.0 for RainMark. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

Metadata Stamp ships an update every 2 weeks, RainMark every 10 days. The most recent releases landed on September 19, 2026 and September 21, 2026 respectively.

Scorecard4 real differences · 6 level
Metadata Stamp versus RainMark: the parameters behind the verdict, then further details
ParameterMetadata StampRainMark
PriceFreeFree
Rating5.0 (2 ratings)5.0 (1 ratings)
Positive reviews—100.0% of reviews
Number of ratings2 — better1
Update frequencyEvery 2 weeksEvery 10 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod, Mac — better
Requires iOS17.012 — better
Further details — not scored
Size22 MB69 MB
Age rating4+4+
Developer山 黄峻宏 刘

Customer experience

Metadata Stamp

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

RainMark

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Metadata Stamp

One-time1
  • Unlock all features$1.99
None

RainMark

No in-app purchases

Questions

Is Metadata Stamp free?
Metadata Stamp is free to download, with in-app purchases available.
Is RainMark free?
RainMark is free to download, with no in-app purchases.
Which has better reviews, Metadata Stamp or RainMark?
Metadata Stamp and RainMark are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do Metadata Stamp or RainMark have ads?
Neither Metadata Stamp nor RainMark shows ads.
Which is updated more often, Metadata Stamp or RainMark?
Metadata Stamp ships an update every 2 weeks, and RainMark every 10 days. Most recently, Metadata Stamp was updated on September 19, 2026 and RainMark on September 21, 2026.

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