Comparison

similar faces vs Image Compare.

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

Head to head
About

similar faces

Analyze the resemblance between human faces in photos. Compare one pair, two pairs, or a single face against all others. Supports zooming, moving, and sharing results while processing data entirely offline for user privacy.

Highlights
  • Compare 1 pair of faces
  • Compare 2 pairs of faces
  • Compare 1 face vs all others
  • Zoom and move in review
  • Share results to social media
  • Offline data processing
Features
Read full description

Evaluating how much human faces look alike together in a photo. Modes: - 1 pair: Find the best similar faces pair. - 2 pairs: Find the two best similar faces pairs. - 1 vs all: Compare one selected face with the others. In this mode, users can TOUCH on a face to compare it with the others. Support zooming and moving in the review scene. Support sharing the result image to Facebook, Twitter, etc. Privacy Policy: - The app processes data entirely offline. User data (including faces and photos) is only used to check similarity locally, stored on user's local device, and not sent anywhere else. Users can delete this app's data anytime.

About

Image Compare.

Easily compare two images using various modes like side-by-side, slider, opacity, or difference. Zoom in for detailed inspection and export comparison results.

Highlights
  • Concurrent side-by-side comparison
  • Slider comparison
  • Opacity comparison
  • Difference comparison
  • Zoom for detail
  • Export difference images
Read full description

Compare two photos, instantly. From photo edits and DIY projects to plant growth records — see exactly what changed, in four powerful modes. # Four Comparison Modes ▼ Side by Side View both images at once. Perfect for progress photos. ▼ Slider Drag a slider across one image to reveal the other underneath. Smoothly check before/after photo edits. ▼ Opacity Overlay two images and adjust transparency. Great for spotting alignment shifts and subtle changes. ▼ Difference Subtract one image from the other to highlight only what's changed. Reveals details invisible to the naked eye. * You can save the difference image to your Photos. # Features ・Pinch to zoom in Slide, Opacity, and Difference modes for detailed inspection. ・Two processing options for Difference mode: - Express: Resizes to screen width before processing (fast). - Original: Processes at full resolution (high accuracy, takes longer. Both images must be the same size). ・Export the difference image to Photos or share it directly. # Privacy First ・Works completely offline. Your images never leave your device. ・Photo library access is only used when selecting images to compare.

Screenshots

similar faces4 screens
Image Compare.4 screens

Verdict

The call

The clearest difference is in-app purchases: Image Compare. at none against similar faces's 1. Image Compare. also leads on review sentiment (89% vs 58%) and rating (4.5 vs 4.2). similar faces's advantage is ads (none vs shown) and update cadence (weekly vs every 4 months). 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. similar faces sells 1 one-off in-app purchase. Image Compare. asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Image Compare. holds the better App Store score, 4.5 against 4.2. That said, the two scores are not equally well evidenced: similar faces has 327 ratings behind it against 31, so its average is the more settled of the two. Written reviews point the same way: 58% of similar faces's written reviews are positive against 89% of Image Compare.'s.

UpkeepUpdate frequency

similar faces ships an update weekly, Image Compare. every 4 months. The most recent releases landed on September 16, 2026 and September 15, 2026 respectively.

Scorecard7 real differences · 3 level
similar faces versus Image Compare.: the parameters behind the verdict, then further details
Parametersimilar facesImage Compare.
PriceFreeFree
Rating4.2 (327 ratings)4.5 (31 ratings) — better
Positive reviews57.9% of reviews88.9% of reviews — better
Number of ratings327 — better31
Update frequencyWeekly — betterEvery 4 months
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size761 MB10 MB
Age rating4+4+
DeveloperAnh NguyenReiji Kobayashi

Customer experience

similar faces

All ratings225 ratings
Positive78.2%
Neutral10.7%
Negative11.1%
Written reviews38 reviews
Positive57.9%
Neutral15.8%
Negative26.3%

Image Compare.

All ratings22 ratings
Positive81.8%
Neutral0.0%
Negative18.2%
Written reviews9 reviews
Positive88.9%
Neutral0.0%
Negative11.1%

Bugs and requests

similar faces

Reported bugs

10 issues
  • Crashes
  • Doesn’t actually work
  • Not Good at recognizing faces
  • Always said 19% for me
  • Seems like every pic 19%
Show 5 more
  • Always the same number for the rate
  • Not correct when looking at two same faces
  • Takes all of the info from your phone, uploads it to their server and still doesn’t work
  • Cannot get pictures loaded
  • It takes 15 minutes to download to take your photos and doesn’t even work

Requested features

4 requests
  • Library option to add all photos
  • Compare all photos at once
  • Option to pre-select specific photos
  • AI comparison details

Image Compare.

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

similar faces

One-time1
  • Remove Ads$9.99
None

Image Compare.

No in-app purchases

Questions

Is similar faces free?
similar faces is free to download, with in-app purchases available.
Is Image Compare. free?
Image Compare. is free to download, with no in-app purchases.
Which has better reviews, similar faces or Image Compare.?
Image Compare. is rated higher. similar faces averages 4.2 out of 5 from 327 ratings, while Image Compare. averages 4.5 from 31 ratings.
Do similar faces or Image Compare. have ads?
Image Compare. shows ads; similar faces does not.
Which is updated more often, similar faces or Image Compare.?
similar faces ships an update weekly, and Image Compare. every 4 months. Most recently, similar faces was updated on September 16, 2026 and Image Compare. on September 15, 2026.

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