Photo Protractor vs Mirror + Selfie Camera
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Photo Protractor
This app functions as a digital protractor, allowing users to measure angles and radians directly from photos. Simply take a picture, position the measurement area, and adjust the lines to get precise readings. It's an easy-to-use tool for quick angle calculations.
- Measure angles from photos
- Display angles and radians
- Adjustable measurement lines
- Easy-to-use interface
- Take pictures for measurement
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分度器アプリです。【使い方】写真を撮ります。移動ボタンを押して、写真の測定部分を測定円の中心にスライドスライド。角度ボタン、始線ボタンで測定線をクルクル移動すれば角度とラジアンが表示されます。簡単でしょ。（＾＾）／ It is a protractor app. [How to use] it will take a picture. Press the Move button, and slide slide the measurement part of the photo in the center of the measuring circle. Angle button, you will see the angle and radian if twirl move the measuring line in the initial line button. It is easy. (^^) /
Mirror + Selfie Camera
Transform your phone into a smart mirror with adjustable brightness and zoom. Capture photos or freeze the image for detailed viewing. Offers night mode and hue effects for enhanced usability.
- Smart mirror functionality
- Adjustable brightness and zoom
- Night mode with panel light
- Capture photos
- Freeze image preview
- Hue effects
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Mirror + Selfie Camera (best mirror app for free) Let your phone become a perfect smart mirror. Handy! Press mirror region to show/hide menu. [Quick Mirror Camera Guideline] When application start, it will hide all the menu. So it is really like a mirror. You can use the following method to change other settings: 1. Press Mirror region to show/hide menu. 2. Drag the red seek bar to change screen brightness. 3. Drag the pink seek bar to let mirror zoom in/out. 4. Press bulb button enable/disable night mode. 5. Press mirror button to change capture mode. (Capture with "Image on Mirror" or "Your real Image") 6. Press the pause/resume button to pause/resume preview. (freeze image) Then double click the freeze image to let mirror zoom in/out. (Or use two fingers to let mirror zoom in/out) 7. Press the Fx button to enable hue effect. After enabled, you can swipe Up/Down to change hue or swipe Left/Down to change brightness. 8. Long press on left screen could camera capture. Long press on right screen could pause preview. (Good for use when full screen preview) [Others] 1. You also can take a picture if you wish. 2. Night mode : Press the bulb button, use panel light at the edge of panel.
Screenshots
Verdict
The clearest difference is rating: Mirror + Selfie Camera at 4.6 against Photo Protractor's 4.0. Mirror + Selfie Camera also leads on review sentiment (100% vs 79%) and update cadence (every 3 weeks vs every 2 months). Photo Protractor's advantage is monetization model (free vs free with in-app purchases) and ratings volume (40 vs 5). On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Mirror + Selfie Camera holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: Photo Protractor has 40 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 79% of Photo Protractor's written reviews are positive against 100% of Mirror + Selfie Camera's.
Photo Protractor ships an update every 2 months, Mirror + Selfie Camera every 3 weeks. Both last shipped on October 24, 2026.
| Parameter | Photo Protractor | Mirror + Selfie Camera |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (40 ratings) | 4.6 (5 ratings) — better |
| Positive reviews | 79.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 40 — better | 5 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 10.0 |
| Further details — not scored | ||
| Size | 11 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Mayumi Kato | SHENG WEN LIAO |
Customer experience
Photo Protractor
Mirror + Selfie Camera
In-app purchases
Photo Protractor
No in-app purchases
Mirror + Selfie Camera
No in-app purchases
Questions
Is Photo Protractor free?
Is Mirror + Selfie Camera free?
Which has better reviews, Photo Protractor or Mirror + Selfie Camera?
Do Photo Protractor or Mirror + Selfie Camera have ads?
Which is updated more often, Photo Protractor or Mirror + Selfie Camera?
Other comparisons
