# Angle Gradient Inclinometer vs Skully Care

The clearest difference is rating: Angle Gradient Inclinometer at 4.3 against Skully Care's 3.0. Angle Gradient Inclinometer also leads on ratings volume (314 vs 2) and iOS requirement (13 vs 15.6). Skully Care's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, in-app purchases and device support there is nothing between them.

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 2, so its average is the more settled of the two.

Angle Gradient Inclinometer ships an update every 8 months, Skully Care every 4 months. The most recent releases landed on October 26, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Angle Gradient Inclinometer | Skully Care |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (314 ratings)](https://appshunter.io/ios/app/angle-gradient-inclinometer/id530077112/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/skully-care/id1487915804/reviews) |
| Number of ratings | **314** | 2 |
| Positive reviews | 51.1% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 4 months** |
| Monetization | Ad-supported | **Free** |
| Size | 11 MB | 84 MB |
| Requires iOS | **13** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [Skully Care](https://appshunter.io/developer/1487915803) |

## What reviewers say

### Angle Gradient Inclinometer

[App page](https://appshunter.io/ios/app/angle-gradient-inclinometer/id530077112)

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.

**Highlights:** Measure tilt angles 0-359 degrees, Display gradient percentage, Show sum angles (180/360), Theodolite mode, Set specified angle to zero

**Features:** Vision Pro support

**In-app purchases:** none


### Skully Care

[App page](https://appshunter.io/ios/app/skully-care/id1487915804)

This app helps parents and healthcare professionals monitor and visualize infant head shapes. It provides objective data and visuals for informed decision-making and supports sharing results with professionals for guidance.

**Highlights:** Guided photo capture for head shape visualization, Instant head shape results and visuals, Professional report export for EHR, Exercise library with expert guided videos, Secure and private photo processing, Objective measurements and progress tracking

**In-app purchases:** none


## Frequently asked questions

### Is Angle Gradient Inclinometer free?

Angle Gradient Inclinometer is free to download, with no in-app purchases.

### Is Skully Care free?

Skully Care is free to download, with no in-app purchases.

### Which has better reviews, Angle Gradient Inclinometer or Skully Care?

Angle Gradient Inclinometer is rated higher. Angle Gradient Inclinometer averages 4.3 out of 5 from 314 ratings, while Skully Care averages 3.0 from 2 ratings.

### Do Angle Gradient Inclinometer or Skully Care have ads?

Angle Gradient Inclinometer shows ads; Skully Care does not.

### Which is updated more often, Angle Gradient Inclinometer or Skully Care?

Angle Gradient Inclinometer ships an update every 8 months, and Skully Care every 4 months. Most recently, Angle Gradient Inclinometer was updated on October 26, 2026 and Skully Care on October 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*