Protractor (Angle measurement) vs CarePro+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Protractor (Angle measurement)
Measure angles of objects using your device's camera. This utility app acts as a digital protractor, allowing you to accurately determine angles in real-world scenarios. Perfect for when a physical protractor is unavailable.
- Camera-based angle measurement
- Digital protractor functionality
- Measure angles of objects
- Real-world angle determination
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You are there when you need a protractor? Here is the absence of a protractor, try using a protractor app. You can measure the angle of the object is reflected in the camera protractor. Try using a protractor protractor various apps, app.
CarePro+
This app connects parents to their child's smartwatch, offering features like real-time location tracking, voice calling, and messaging. It allows parents to set virtual boundaries and receive alerts, eliminating the need for a child's smartphone.
- Alert Button for quick contact
- Voice Calling to child's watch
- GPS/WIFI/LBS location tracking
- Voice recorded messages and texting
- Virtual geofence boundaries
- Pedometer for step tracking
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The Carepro Parent App is to be used with a Carepro Watch. Carepro is designed with parents in mind, keeping you connected with your child and without the need to buy a smartphone. Primary features include; 1. Alert Button ‘Alert’ when your child has contacted you quickly from their watch. 2. Voice Calling to your child’s 3. Map= GPS/WIFI/LBS location 4. Chat = Voice recorded messages and texting 5. Rewards = send hearts to your child’s Carepro Watch 6. Geofence= virtual boundary 7. Pedometer= your child can track their steps 8. Tracking History= see where they have been
Screenshots
Verdict
The clearest difference is review sentiment: Protractor (Angle measurement) at 68% against CarePro+'s 9%. Protractor (Angle measurement) also leads on rating (3.6 vs 2.8) and update cadence (every 5 weeks vs every 3 months). CarePro+'s advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, 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.
Protractor (Angle measurement) holds the better App Store score, 3.6 against 2.8. Both are backed by a comparable volume of ratings — 10 and 18 respectively. Written reviews point the same way: 68% of Protractor (Angle measurement)'s written reviews are positive against 9% of CarePro+'s.
Protractor (Angle measurement) ships an update every 5 weeks, CarePro+ every 3 months. The most recent releases landed on October 13, 2026 and October 17, 2026 respectively.
| Parameter | Protractor (Angle measurement) | CarePro+ |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (10 ratings) — better | 2.8 (18 ratings) |
| Positive reviews | 68.1% of reviews — better | 8.7% of reviews |
| Number of ratings | 10 | 18 — better |
| Update frequency | Every 5 weeks — better | Every 3 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 7 MB | 176 MB |
| Age rating | 4+ | 4+ |
| Developer | EONSOFT | 军 李 |
Customer experience
Protractor (Angle measurement)
CarePro+
Bugs and requests
Protractor (Angle measurement)
Reported bugs
8 issues- Camera is always blurry
- Ads cover buttons
- App is a ghost app, cannot open
- Time limit makes it unusable
- Measures only in radians (free)
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- Protractor over camera view, no needle/indication
- App is difficult to use
- Hard to hold still without tripod
Requested features
10 requests- Ability to freeze image
- Ability to use photos for measurement
- Upload a still image and overlay protractor
- Improve accuracy with shaky hands
- Add option to take a picture and measure
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- Stabilize the camera
- Make numbers easier to read
- Remove time limit on free version
- Allow measurement in degrees for free
- Delete purchase history
CarePro+
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Protractor (Angle measurement)
No in-app purchases
CarePro+
No in-app purchases
Questions
Is Protractor (Angle measurement) free?
Is CarePro+ free?
Which has better reviews, Protractor (Angle measurement) or CarePro+?
Do Protractor (Angle measurement) or CarePro+ have ads?
Which is updated more often, Protractor (Angle measurement) or CarePro+?
Other comparisons
