# Angle Gradient Inclinometer vs Accident Reconstruction Tool

The clearest difference is price: Angle Gradient Inclinometer at Free against Accident Reconstruction Tool's $4.99. Angle Gradient Inclinometer also leads on iOS requirement (13 vs 15.1). Accident Reconstruction Tool's advantage is ads (none vs shown) and update cadence (daily vs every 8 months). On in-app purchases and device support there is nothing between them.

Angle Gradient Inclinometer is free to download; Accident Reconstruction Tool costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Angle Gradient Inclinometer ships an update every 8 months, Accident Reconstruction Tool daily. The most recent releases landed on September 22, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Angle Gradient Inclinometer | Accident Reconstruction Tool |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.4 (295 ratings)](https://appshunter.io/ios/app/angle-gradient-inclinometer/id530077112/reviews)** | — |
| Number of ratings | **295** | — |
| Positive reviews | 51.1% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Daily** |
| Monetization | Ad-supported | — |
| Size | 11 MB | 195 MB |
| Requires iOS | **13** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [Andy Navarro](https://appshunter.io/developer/1889412661) |

## 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


### Accident Reconstruction Tool

[App page](https://appshunter.io/ios/app/accident-reconstruction-tool/id6762102752)

**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 Accident Reconstruction Tool free?

Accident Reconstruction Tool costs $4.99, with no in-app purchases.

### Do Angle Gradient Inclinometer or Accident Reconstruction Tool have ads?

Angle Gradient Inclinometer shows ads; Accident Reconstruction Tool does not.

### Which is updated more often, Angle Gradient Inclinometer or Accident Reconstruction Tool?

Angle Gradient Inclinometer ships an update every 8 months, and Accident Reconstruction Tool daily. Most recently, Angle Gradient Inclinometer was updated on September 22, 2026 and Accident Reconstruction Tool on September 18, 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.*