BACDoor™ vs Protractor for Angle Measuring
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BACDoor™
This utility app allows ASI customers with a support account to fine-tune Bluetooth controllers directly from their mobile device. It offers features like parameter adjustment, file management, firmware updates, and data logging without needing a PC connection.
- Poll and adjust controller parameters
- Upload and save parameter files
- Bootload firmware to controllers
- Datalog parameters
- Customizable app layouts
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ASI customers with a support account can use this app to finetune their Bluetooth controllers. No need to connect the controller harness to a PC. Features include: -Poll and adjust individual controller parameters -Upload & Save Parameter files -Bootload Firmware to Controller & Lin Peripherals -Datalog a set of Parameters -Customizable and swappable App Layouts
Protractor for Angle Measuring
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.
- Real-time angle measurement
- Touch and camera modes
- Measure angles in photos
- Simultaneous unlimited angle measurement
- Tool color customization
- Plumb bob pendulum for tilt
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Your pocket angle expert! Transform your iPhone into a precision tool for real-time angle measurement. Simply tap, snap, and assess angles effortlessly with our intuitive touch and camera modes. Measure unlimited angles simultaneously, customize tools, and enjoy the perfect blend of accuracy and simplicity. Ideal for architects or anyone seeking quick, reliable measurements. Embrace the power of Protractor for fast, on-the-go angle assessments! Key Features: • Touch Measure: Tap the screen to set angles (use the camera view). • Plumb Bob Pendulum: Perfect for determining tilt (calibrate for accuracy). • Angle Measurement in Photos and from Camera. • Simultaneous Measurement of Unlimited Angles. • Tool Color Customization for Visual Convenience. Privacy Policy: https://appliks.com/privacy-policy Terms of Use: https://appliks.com/terms-of-use
Screenshots
Verdict
The clearest difference is rating: Protractor for Angle Measuring at 4.5 against BACDoor™'s 3.5. Protractor for Angle Measuring also leads on update cadence (every 2 weeks vs every 4 months) and ratings volume (1K vs 6). BACDoor™'s advantage is in-app purchases (none vs 5) and ads (none vs shown). On price 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. Protractor for Angle Measuring sells 5 in-app purchases, starting at $0.99 per 7 days. BACDoor™ asks for nothing beyond the download.
Protractor for Angle Measuring holds the better App Store score, 4.5 against 3.5. That said, the two scores are not equally well evidenced: Protractor for Angle Measuring has 1K ratings behind it against 6, so its average is the more settled of the two.
BACDoor™ ships an update every 4 months, Protractor for Angle Measuring every 2 weeks. The most recent releases landed on June 1, 2026 and September 27, 2026 respectively.
| Parameter | BACDoor™ | Protractor for Angle Measuring |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (6 ratings) | 4.5 (1K ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | 6 | 1K — better |
| Update frequency | Every 4 months | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 8.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 92 MB | 112 MB |
| Age rating | 4+ | 4+ |
| Developer | Accelerated Systems Inc. | AppLiks Sp. z O.O. |
Customer experience
BACDoor™
Protractor for Angle Measuring
Bugs and requests
BACDoor™
Not enough reviews yet to summarise bugs or requests.
Protractor for Angle Measuring
Reported bugs
2 issues- Protractor tool is hard to use and requires multiple tries
- Angle measurements do not match real-world angles
Requested features
3 requests- 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
In-app purchases
BACDoor™
No in-app purchases
Protractor for Angle Measuring
- Weekly Access$0.997 Days
- Weekly Access with Trial3 Days trial$1.997 Days
- Weekly Access$1.997 Days
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- Yearly Access$3.991 Year
- Yearly Access$4.991 Year
Questions
Is BACDoor™ free?
Is Protractor for Angle Measuring free?
Which has better reviews, BACDoor™ or Protractor for Angle Measuring?
Do BACDoor™ or Protractor for Angle Measuring have ads?
Which is updated more often, BACDoor™ or Protractor for Angle Measuring?
Other comparisons
