# Impulse Lithium vs Protractor Angle Measure Tool

Impulse Lithium and Protractor Angle Measure Tool both sit at 4.5 stars, but that hides the real split: 100% of Impulse Lithium's written reviews are positive against 13% of Protractor Angle Measure Tool's. Impulse Lithium also leads on in-app purchases (none vs 3) and iOS requirement (13.0 vs 16.0). Protractor Angle Measure Tool's advantage is ratings volume (169 vs 2). On price, rating, ads and device support there is nothing between them.

Both are free to download. Protractor Angle Measure Tool sells 3 in-app purchases, starting at $4.99 per 7 days. Impulse Lithium asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for Impulse Lithium against 4.5 for Protractor Angle Measure Tool. That said, the two scores are not equally well evidenced: Protractor Angle Measure Tool has 169 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 100% of Impulse Lithium's written reviews are positive against 13% of Protractor Angle Measure Tool's.

## The numbers

| Metric | Impulse Lithium | Protractor Angle Measure Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/impulse-lithium/id1668566237/reviews) | [4.5 (169 ratings)](https://appshunter.io/ios/app/protractor-angle-measure-tool/id6742701087/reviews) |
| Number of ratings | 2 | **169** |
| Positive reviews | **100.0% of reviews** | 13.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 11 MB | 79 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Impulse Lithium LLC](https://appshunter.io/developer/1668566239) | [Appcellent](https://appshunter.io/developer/1870956141) |

## What reviewers say

### Impulse Lithium

[App page](https://appshunter.io/ios/app/impulse-lithium/id1668566237)

Monitor the real-time working status and data of Impulse Lithium Bluetooth batteries. This app offers an easy operation and a good user experience for battery management.

**Highlights:** Real-time battery status monitoring, Access battery data information, Bluetooth battery connectivity, Easy operation, Good user experience

**Features:** macOS Compatibility

**In-app purchases:** none


### Protractor Angle Measure Tool

[App page](https://appshunter.io/ios/app/protractor-angle-measure-tool/id6742701087)

This tool transforms your device into a precise angle measurement instrument. It's ideal for DIY projects, construction, and renovations, offering real-time readings in various formats. Get professional-grade accuracy for all your angled surface needs.

**Highlights:** Precise angle measurement, Vertical and horizontal orientations, Multiple measurement units (degrees, radians, gradians), Target angle alerts with audio/vibration, Real-time precision readings, Apple Watch support with haptic feedback

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Protractor Weekly | $4.99 | per 7 days |
| Protractor Weekly with Trial | $6.99 | per 7 days |
| Protractor Annual | $39.99 | per year |


## Frequently asked questions

### Is Impulse Lithium free?

Impulse Lithium is free to download, with no in-app purchases.

### Is Protractor Angle Measure Tool free?

Protractor Angle Measure Tool is free to download, with in-app purchases available.

### Which has better reviews, Impulse Lithium or Protractor Angle Measure Tool?

Impulse Lithium and Protractor Angle Measure Tool are both rated 4.5 out of 5 on the App Store, from 2 and 169 ratings respectively.

### Do Impulse Lithium or Protractor Angle Measure Tool have ads?

Neither Impulse Lithium nor Protractor Angle Measure Tool shows ads.

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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.*