# airHeaterByBLE vs Fourth Space

The clearest difference is rating: airHeaterByBLE at 2.4 against Fourth Space's 1.0. airHeaterByBLE also leads on ratings volume (77 vs 3) and review sentiment (15% vs 0%). Fourth Space's advantage is update cadence (fortnightly vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

airHeaterByBLE holds the better App Store score, 2.4 against 1.0. That said, the two scores are not equally well evidenced: airHeaterByBLE has 77 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 15% of airHeaterByBLE's written reviews are positive against 0% of Fourth Space's.

airHeaterByBLE ships an update every 3 months, Fourth Space fortnightly. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | airHeaterByBLE | Fourth Space |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (77 ratings)](https://appshunter.io/ios/app/airheaterbyble/id1618452682/reviews)** | [1.0 (3 ratings)](https://appshunter.io/ios/app/fourth-space/id6670521483/reviews) |
| Number of ratings | **77** | 3 |
| Positive reviews | **14.6% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 55 MB | 12 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [向洋 周](https://appshunter.io/developer/1616374203) | [第肆空间(深圳)创新科技有限公司](https://appshunter.io/developer/1766639077) |

## What reviewers say

### airHeaterByBLE

[App page](https://appshunter.io/ios/app/airheaterbyble/id1618452682)

Control and monitor your vehicle's auxiliary heater directly from your smartphone via Bluetooth. This app enables two-way communication, allowing you to adjust settings and view the operational status of your heater remotely.

**Highlights:** Bluetooth connectivity, Two-way control, Operational status indication, Remote monitoring, Smartphone integration

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

**In-app purchases:** none

**What reviewers like**

- ✅ Basic heater control functionality works
- 👍 Clean layout and easy navigation (when working)
- 🔗 Bluetooth connectivity established successfully
- 📱 Remote control from inside house convenient
- ⚙️ Temperature and mode adjustment available

**What reviewers complain about**

- 🐛 App shuts down heater when closed or minimized
- 🔒 Excessive permission requests (location, camera, photos, microphone)
- 🚫 Requires location services and cell service to function
- ⚠️ Privacy concerns and suspected data collection/selling
- 🔄 Frequent connection failures and disconnections

**Reported bugs**

- App shuts heater off when user switches apps or closes app
- Power button placement causes accidental activation when closing app
- Cannot reconnect after initial connection on iPhone
- Location authorization error preventing app use
- Heater randomly starts/stops without user input

**Requested features**

- Multiple on/off timers (8+ total) for scheduling
- Fahrenheit temperature display option
- Access to all controller settings via app
- Altitude/elevation adjustment capability
- Fuel level indicator


### Fourth Space

[App page](https://appshunter.io/ios/app/fourth-space/id6670521483)

Control your air conditioner remotely with this app. Adjust temperature, fan speed, mode, and power settings for a convenient smart home experience.

**Highlights:** Remote air conditioner control, Turn on/off AC, Adjust temperature, Set fan speed, Change operating mode

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is airHeaterByBLE free?

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

### Is Fourth Space free?

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

### Which has better reviews, airHeaterByBLE or Fourth Space?

airHeaterByBLE is rated higher. airHeaterByBLE averages 2.4 out of 5 from 77 ratings, while Fourth Space averages 1.0 from 3 ratings.

### Do airHeaterByBLE or Fourth Space have ads?

Neither airHeaterByBLE nor Fourth Space shows ads.

### Which is updated more often, airHeaterByBLE or Fourth Space?

airHeaterByBLE ships an update every 3 months, and Fourth Space fortnightly. Most recently, airHeaterByBLE was updated on November 7, 2026 and Fourth Space on November 4, 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.*