Slope Calculator vs Protractor for Angle Measuring
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Slope Calculator
Calculate slope in angle, percentage, or ratio by inputting two sides of a right triangle. This intuitive and easy-to-use application provides the remaining necessary values.
- Calculate slope as angle
- Calculate slope as percentage
- Calculate slope as ratio
- Input two sides of a right triangle
- Calculate remaining triangle values
- Intuitive and easy to use
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Use this App to calculate slope (Angle, Percentage, Ratio). You just need to enter 2 of the 3 sides of a right triangle, we will calculate for you the remaining necessary numbers. This is a very intuitive App, simple and easy to use. Results are estimates for informational purposes only. We are very happy to serve you. If you have any requests, don't hesitate to contact us. - https://www.facebook.com/phan.nhatdang.3/ - phannhatd@gmail.com
Protractor for Angle Measuring
Transform your iPhone into a precision angle measuring tool. Easily measure angles in real-time using touch or camera modes, and even analyze angles in existing photos. Customize your tools for a seamless experience.
- Real-time angle measurement
- Touch and camera modes
- Measure angles in photos
- Simultaneous unlimited angle measurement
- Tool color customization
- Plumb bob pendulum for tilt
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Your pocket angle expert! Transform your iPhone into a precision tool for real-time angle measurement. Simply tap, snap, and assess angles effortlessly with our intuitive touch and camera modes. Measure unlimited angles simultaneously, customize tools, and enjoy the perfect blend of accuracy and simplicity. Ideal for architects or anyone seeking quick, reliable measurements. Embrace the power of Protractor for fast, on-the-go angle assessments! Key Features: • Touch Measure: Tap the screen to set angles (use the camera view). • Plumb Bob Pendulum: Perfect for determining tilt (calibrate for accuracy). • Angle Measurement in Photos and from Camera. • Simultaneous Measurement of Unlimited Angles. • Tool Color Customization for Visual Convenience. Privacy Policy: https://appliks.com/privacy-policy Terms of Use: https://appliks.com/terms-of-use
Screenshots
Verdict
The clearest difference is ads: Slope Calculator at none against Protractor for Angle Measuring's shown. Slope Calculator also leads on review sentiment (58% vs 50%) and iOS requirement (13.0 vs 16.6). Protractor for Angle Measuring's advantage is update cadence (every 2 weeks vs every 14 months) and rating (4.5 vs 4.3). On price, in-app purchases, monetization model 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. Slope Calculator sells 1 one-off in-app purchase and Protractor for Angle Measuring sells 5 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Protractor for Angle Measuring holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: Protractor for Angle Measuring has 1K ratings behind it against 104, so its average is the more settled of the two. Written reviews complicate that: 58% of Slope Calculator's written reviews are positive against 50% of Protractor for Angle Measuring's, so the app with the better star average is not the one people write more warmly about.
Slope Calculator ships an update every 14 months, Protractor for Angle Measuring every 2 weeks. The most recent releases landed on September 16, 2026 and September 24, 2026 respectively.
| Parameter | Slope Calculator | Protractor for Angle Measuring |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (104 ratings) | 4.5 (1K ratings) — better |
| Positive reviews | 58.3% of reviews — better | 50.0% of reviews |
| Number of ratings | 104 | 1K — better |
| Update frequency | Every 14 months | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 5 MB | 112 MB |
| Age rating | 4+ | 4+ |
| Developer | Phan Nhat Đang | AppLiks Sp. z O.O. |
Customer experience
Slope Calculator
Protractor for Angle Measuring
Bugs and requests
Slope Calculator
Not enough reviews yet to summarise bugs or requests.
Protractor for Angle Measuring
Reported bugs
2 issues- Protractor tool is hard to use and requires multiple tries
- Angle measurements do not match real-world angles
Requested features
3 requests- Add more instructions and guidance for using the protractor tool
- Improve the zoom functionality when measuring angles in photos
- Enhance the accuracy of angle measurements
In-app purchases
Slope Calculator
- Remove ads$1.99
Protractor for Angle Measuring
- Weekly Access$0.997 Days
- Weekly Access with Trial3 Days trial$1.997 Days
- Weekly Access$1.997 Days
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- Yearly Access$3.991 Year
- Yearly Access$4.991 Year
Questions
Is Slope Calculator free?
Is Protractor for Angle Measuring free?
Which has better reviews, Slope Calculator or Protractor for Angle Measuring?
Do Slope Calculator or Protractor for Angle Measuring have ads?
Which is updated more often, Slope Calculator or Protractor for Angle Measuring?
Other comparisons
