Angle Gradient Inclinometer vs RSR Alignment App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Angle Gradient Inclinometer
Easily measure tilt angles with this free protractor app. It displays inclination from 0 to 359 degrees, along with gradient percentages and angles summing to 180 or 360 degrees. Switch to theodolite mode to set a specified angle to zero.
- Measure tilt angles 0-359 degrees
- Display gradient percentage
- Show sum angles (180/360)
- Theodolite mode
- Set specified angle to zero
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Simple tilt angle protractor free application that can easily measure tilt simply by tilting the device. The angle of inclination measured from 0 degree to 359 degrees, converted gradient (%), angle at which sum is 180 degrees / 360 degrees are displayed at the same time. You can switch to the theodolite, the specified angle can be set to 0 degree. ( 45 Degrees = Gradient 100 % )
RSR Alignment App
Measure camber and toe angles using your smartphone. The app displays angles for all four corners, allows zero point adjustment, and stores measurement data for later reference. It also lets you change the measurement interval.
- Measure camber angle
- Measure toe angle
- Display four-corner angles
- Zero point adjustment
- Store measurement data
- Change measurement interval
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You can measure camber angle and toe in with your smart phone. 【Function】 （When adjusting the camber) ・Display the angles of four corners. ・Zero point adjustment ・Store the measurement data and refer to it. ・Change the measurement interval (When adjusting the toe) ・Store the data and refer to it. 【Operating system】 Measurement accuracy may differ depending on performance of the sensor equipped on the smart phone.
Screenshots
Verdict
The clearest difference is review sentiment: Angle Gradient Inclinometer at 51% against RSR Alignment App's 0%. Angle Gradient Inclinometer also leads on rating (4.3 vs 3.0) and ratings volume (314 vs 4). RSR Alignment App's advantage is ads (none vs shown) and update cadence (every 3 months vs every 8 months). On price, 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.
Angle Gradient Inclinometer holds the better App Store score, 4.3 against 3.0. That said, the two scores are not equally well evidenced: Angle Gradient Inclinometer has 314 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 51% of Angle Gradient Inclinometer's written reviews are positive against 0% of RSR Alignment App's.
Angle Gradient Inclinometer ships an update every 8 months, RSR Alignment App every 3 months. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.
| Parameter | Angle Gradient Inclinometer | RSR Alignment App |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (314 ratings) — better | 3.0 (4 ratings) |
| Positive reviews | 51.1% of reviews — better | 0.0% of reviews |
| Number of ratings | 314 — better | 4 |
| Update frequency | Every 8 months | Every 3 months — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13 | 11.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | SHIGETO TAKAGI | TMC CO.,LTD |
Customer experience
Angle Gradient Inclinometer
RSR Alignment App
In-app purchases
Angle Gradient Inclinometer
No in-app purchases
RSR Alignment App
No in-app purchases
Questions
Is Angle Gradient Inclinometer free?
Is RSR Alignment App free?
Which has better reviews, Angle Gradient Inclinometer or RSR Alignment App?
Do Angle Gradient Inclinometer or RSR Alignment App have ads?
Which is updated more often, Angle Gradient Inclinometer or RSR Alignment App?
Other comparisons
