# Haltech Connect vs Protractor for Angle Measuring

The clearest difference is review sentiment: Haltech Connect at 100% against Protractor for Angle Measuring's 49%. Haltech Connect also leads on rating (5.0 vs 4.5) and in-app purchases (none vs 5). Protractor for Angle Measuring's advantage is ratings volume (1K vs 5) and update cadence (every 2 weeks vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Protractor for Angle Measuring sells 5 in-app purchases, starting at $0.99 per 7 days. Haltech Connect asks for nothing beyond the download.

Haltech Connect holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Protractor for Angle Measuring has 1K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 100% of Haltech Connect's written reviews are positive against 49% of Protractor for Angle Measuring's.

Haltech Connect ships an update every 2 months, Protractor for Angle Measuring every 2 weeks. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Haltech Connect | Protractor for Angle Measuring |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/haltech-connect/id6466758975/reviews)** | [4.5 (1K ratings)](https://appshunter.io/ios/app/protractor-for-angle-measuring/id6474609160/reviews) |
| Number of ratings | 5 | **1K** |
| Positive reviews | **100.0% of reviews** | 49.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 135 MB | 112 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [LOCKIN PTY LTD](https://appshunter.io/developer/1707778875) | [AppLiks Sp. z O.O.](https://appshunter.io/developer/1804335622) |

## What reviewers say

### Haltech Connect

[App page](https://appshunter.io/ios/app/haltech-connect/id6466758975)

Monitor vehicle channels, read and clear diagnostic trouble codes, and adjust settings for your Haltech ECU. This app facilitates initial setup for Rebel ECUs and connects to Wi-Fi enabled Nexus ECUs, allowing real-time data viewing and configuration changes.

**Highlights:** Monitor ECU channels, Read and clear DTCs, View and change settings, Perform initial ECU setup, Connect to Wi-Fi enabled ECUs, Select metric/imperial units

**Features:** macOS Compatibility

**In-app purchases:** none


### Protractor for Angle Measuring

[App page](https://appshunter.io/ios/app/protractor-for-angle-measuring/id6474609160)

Transform your iPhone into a precision angle measuring tool. Easily measure angles in real-time using touch or camera modes, and even analyze angles in existing photos. Customize your tools for a seamless experience.

**Highlights:** Real-time angle measurement, Touch and camera modes, Measure angles in photos, Simultaneous unlimited angle measurement, Tool color customization, Plumb bob pendulum for tilt

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $0.99 | per 7 days |
| Weekly Access with Trial | $1.99 | per 7 days |
| Weekly Access | $1.99 | per 7 days |
| Yearly Access | $3.99 | per year |
| Yearly Access | $4.99 | per year |

**What reviewers like**

- 👍 Useful for surveying and measuring angles
- 💡 Interesting use of camera to overlay protractor
- 👍 Helps with specific use cases like golf setup
- 👍 Provides a clutter-free protractor experience

**What reviewers complain about**

- 🐛 Difficulty using the protractor tool and angle measurement
- 🐛 Inability to zoom in/out when measuring angles in photos
- 🐛 Inaccurate angle measurements in some cases

**Reported bugs**

- Protractor tool is hard to use and requires multiple tries
- Angle measurements do not match real-world angles

**Requested features**

- Add more instructions and guidance for using the protractor tool
- Improve the zoom functionality when measuring angles in photos
- Enhance the accuracy of angle measurements


## Frequently asked questions

### Is Haltech Connect free?

Haltech Connect is free to download, with no in-app purchases.

### Is Protractor for Angle Measuring free?

Protractor for Angle Measuring is free to download, with in-app purchases available.

### Which has better reviews, Haltech Connect or Protractor for Angle Measuring?

Haltech Connect is rated higher. Haltech Connect averages 5.0 out of 5 from 5 ratings, while Protractor for Angle Measuring averages 4.5 from 1K ratings.

### Do Haltech Connect or Protractor for Angle Measuring have ads?

Protractor for Angle Measuring shows ads; Haltech Connect does not.

### Which is updated more often, Haltech Connect or Protractor for Angle Measuring?

Haltech Connect ships an update every 2 months, and Protractor for Angle Measuring every 2 weeks. Most recently, Haltech Connect was updated on October 7, 2026 and Protractor for Angle Measuring on October 12, 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.*