# TheBioFlame vs Protractor

The clearest difference is rating: Protractor at 3.9 against TheBioFlame's 1.0. Protractor also leads on update cadence (every 9 days vs every 47 months) and ratings volume (14 vs 1). TheBioFlame's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, 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.

Protractor holds the better App Store score, 3.9 against 1.0. That said, the two scores are not equally well evidenced: Protractor has 14 ratings behind it against 1, so its average is the more settled of the two.

TheBioFlame ships an update every 47 months, Protractor every 9 days. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | TheBioFlame | Protractor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/thebioflame/id1095208970/reviews) | **[3.9 (14 ratings)](https://appshunter.io/ios/app/protractor-angle-measure/id6630392312/reviews)** |
| Number of ratings | 1 | **14** |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 47 months | **Every 9 days** |
| Monetization | **Free** | Ad-supported |
| Size | 1 MB | 33 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [军方 张](https://appshunter.io/developer/1088748217) | [Jens Rieckhof](https://appshunter.io/developer/354266124) |

## What reviewers say

### TheBioFlame

[App page](https://appshunter.io/ios/app/thebioflame/id1095208970)

Control your fireplace remotely using your mobile device. This application allows for convenient operation of your heating system from anywhere. It offers a simple interface for managing your fireplace's functions.

**Highlights:** Remote fireplace control, Simple user interface, Device management, Fireplace function operation

**Features:** macOS Compatibility

**In-app purchases:** none


### Protractor

[App page](https://appshunter.io/ios/app/protractor-angle-measure/id6630392312)

Measure angles precisely using your phone's screen or camera. This intuitive tool allows you to adjust measurement lines and instantly see the angular difference. Ideal for professionals and hobbyists needing quick, accurate angle calculations.

**Highlights:** Angle measurement with adjustable lines, Camera integration for real-world measurements, Freeze function for static measurements, Clean and modern user interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TheBioFlame free?

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

### Is Protractor free?

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

### Which has better reviews, TheBioFlame or Protractor?

Protractor is rated higher. TheBioFlame averages 1.0 out of 5 from 1 ratings, while Protractor averages 3.9 from 14 ratings.

### Do TheBioFlame or Protractor have ads?

Protractor shows ads; TheBioFlame does not.

### Which is updated more often, TheBioFlame or Protractor?

TheBioFlame ships an update every 47 months, and Protractor every 9 days. Most recently, TheBioFlame was updated on October 15, 2026 and Protractor on October 8, 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.*