Comparison

Easy Subtraction vs Stego

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

Head to head
About

Easy Subtraction

Features
Read full description

Easily compare images. Obtain difference images in as few as two taps. Use both captured and library images. Operate offline after installation. How to Use: 1. Tap the camera button to take a mask image. 2. Tap the camera button to take a capture image. 3. Once the images are taken, the app will automatically calculate and display the difference image. 4. If the two images are misaligned, adjust the mask image by moving, rotating, and resizing it while checking the resulting difference image. The resulting difference image will highlight the differences between the two images in white (or black if the image is inverted). You can save the resulting image to your iphone library. if you want to know an answer spot-the-difference puzzles right now, be sure to try this app!

About

Stego

Features
Read full description

Stego lets you hide private text or images inside ordinary photos and extract them later on your iPhone or iPad. Your cover images and hidden payloads are processed on your device—they are not uploaded to Japality Limited. CHOOSE YOUR WORKFLOW • LSB-1 for lossless PNG workflows • DCT and GN-QIM for JPEG and recompressed sharing scenarios • Social Media Mode to prepare images for apps that may resize uploads • Optional error correction for tougher recovery FEATURES • Hide text, notes, or an image inside another image • Extract hidden content from stego images • UTF-8 support, including Chinese and emoji • Warnings when a cover image is too flat for reliable embedding FREE & STEGO PRO Stego is free to use with ads. Stego Pro (monthly or yearly subscription) removes banner, interstitial, and app-open ads. Payment is charged to your Apple ID. Subscriptions renew automatically unless canceled at least 24 hours before the end of the period. Manage subscriptions in Settings → Apple ID → Subscriptions, or in Stego → Settings → Stego Pro. PRIVACY See our Privacy Policy for how ads (Google AdMob) and subscriptions (RevenueCat) handle data. Steganography operations themselves stay on your device. IMPORTANT Stego is for lawful personal use only. You are responsible for complying with applicable laws. Steganography is not encryption—anyone with the original file may detect or lose hidden data if the image is recompressed. Support: https://app.japality.com/stego/i/support/ Privacy: https://app.japality.com/stego/i/privacy_policy/ Terms: https://app.japality.com/stego/i/terms/

Screenshots

Easy Subtraction4 screens
Stego4 screens

Verdict

The call

The clearest difference is in-app purchases: Easy Subtraction at none against Stego's 2. Easy Subtraction also leads on ads (none vs shown). On price, 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

Both are free to download. Stego sells 2 in-app purchases, starting at $2.99 per month. Easy Subtraction asks for nothing beyond the download.

Scorecard2 real differences · 4 level
Easy Subtraction versus Stego: the parameters behind the verdict, then further details
ParameterEasy SubtractionStego
PriceFreeFree
Update frequency—Every 6 weeks
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.416.0 — better
Further details — not scored
Size1 MB51 MB
Age rating4+4+
DeveloperHideo NoseJapality Limited

In-app purchases

None

Easy Subtraction

No in-app purchases

2 purchases

Stego

Subscriptions2
  • Stego Pro (Monthly)$2.991 Month
  • Stego Pro (Yearly)$14.991 Year

Questions

Is Easy Subtraction free?
Easy Subtraction is free to download, with no in-app purchases.
Is Stego free?
Stego is free to download, with in-app purchases available.
Do Easy Subtraction or Stego have ads?
Stego shows ads; Easy Subtraction does not.

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