airHeaterByBLE vs Fourth Space
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
airHeaterByBLE
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.
- Bluetooth connectivity
- Two-way control
- Operational status indication
- Remote monitoring
- Smartphone integration
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通过手机蓝牙连接驻加热器，可实现双向控制及运行状态指示
Fourth Space
Control your air conditioner remotely with this app. Adjust temperature, fan speed, mode, and power settings for a convenient smart home experience.
- Remote air conditioner control
- Turn on/off AC
- Adjust temperature
- Set fan speed
- Change operating mode
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Use the Fourth Space APP to provide you with a convenient smart control experience. Through the APP, you can directly remotely control the air conditioner to turn on or off, and adjust the air conditioner's functions, wind speed, mode, temperature and other settings
Screenshots
Verdict
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.
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. 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.
| Parameter | airHeaterByBLE | Fourth Space |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (77 ratings) — better | 1.0 (3 ratings) |
| Positive reviews | 14.6% of reviews — better | 0.0% of reviews |
| Number of ratings | 77 — better | 3 |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 55 MB | 12 MB |
| Age rating | 4+ | 9+ |
| Developer | 向洋 周 | 第肆空间(深圳)创新科技有限公司 |
Customer experience
airHeaterByBLE
Fourth Space
Bugs and requests
airHeaterByBLE
Reported bugs
20 issues- 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
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- Settings changes not saved permanently
- Thermostat mode fails to reach set temperature
- Incorrect temperature and elevation readings
- App crashes when adjusting temperature up/down
- Heater appears multiple times in device list
- Connection fails in areas without cell service
- App won't work unless kept open continuously
- Buttons too close together causing accidental presses
- Scan button typo and non-functional QR code
- App freezes and requires reinstall to reconnect
- Multi-device binding prevents second device connection
- Thermostat mode doesn't properly regulate fan speed
- App displays different data than heater controller
- Frequent connectivity loss
- Glow plug failure triggered by app shutdown sequence
Requested features
15 requests- 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
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- Glow plug status display
- Pump control functionality
- Historical data and consumption tracking
- Walk-away timer function
- Temperature sensor calibration option
- Animation and visual improvements
- English language support
- Multi-device simultaneous control
- Background operation without app being open
- Ambient temperature calibration
Fourth Space
Not enough reviews yet to summarise bugs or requests.
In-app purchases
airHeaterByBLE
No in-app purchases
Fourth Space
No in-app purchases
