Level gauge vs Slope Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Level gauge
This intuitive tool allows you to measure angles and levels in multiple orientations. It offers high precision with smooth movement and includes calibration and hold functions for stable readings. Customize its appearance while enjoying its powerful yet simple design.
- Measure horizontal, vertical, and flat angles
- High precision measurements
- Smooth and stable readings
- Calibration function
- Hold function
- Customizable appearance
Read full descriptionHide full description
With this simple, easy to use, and intuitive level, Measure levels in various orientations, and slope angles too. - Moves smoothly - High precision - Measure various angles horizontally, vertically, and when placed flat - Equipped with calibration and hold functions - Measurement is stable - Choose the appearance - Even though it is so powerful, the simple design is intuitive and easy to use If you think this level is better than others, please be sure to write a comment.
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
Read full descriptionHide full description
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
Screenshots
Verdict
The clearest difference is review sentiment: Level gauge at 94% against Slope Calculator's 58%. Level gauge also leads on in-app purchases (none vs 1) and rating (4.6 vs 4.3). Slope Calculator's advantage is ads (none vs shown) and ratings volume (104 vs 12). On price, update cadence 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. Level gauge asks for nothing beyond the download.
Level gauge holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Slope Calculator has 104 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 94% of Level gauge's written reviews are positive against 58% of Slope Calculator's.
Level gauge ships an update every 9 months, Slope Calculator every 14 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Level gauge | Slope Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (12 ratings) — better | 4.3 (104 ratings) |
| Positive reviews | 93.6% of reviews — better | 58.3% of reviews |
| Number of ratings | 12 | 104 — better |
| Update frequency | Every 9 months — better | Every 14 months |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 16 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Tatsuki | Phan Nhat Đang |
Customer experience
Level gauge
Slope Calculator
In-app purchases
Level gauge
No in-app purchases
Slope Calculator
- Remove ads$1.99
Questions
Is Level gauge free?
Is Slope Calculator free?
Which has better reviews, Level gauge or Slope Calculator?
Do Level gauge or Slope Calculator have ads?
Which is updated more often, Level gauge or Slope Calculator?
Other comparisons
