JS Maintenance Mate vs Fourth Space
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JS Maintenance Mate
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JS Maintenance Mate is the app for managing your companys IoT connected devices. The app provides simple signup, login and workflow for viewing your devices status and data.
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 update cadence: Fourth Space at fortnightly against JS Maintenance Mate's every 5 weeks. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
JS Maintenance Mate ships an update every 5 weeks, Fourth Space fortnightly. The most recent releases landed on October 27, 2026 and October 22, 2026 respectively.
| Parameter | JS Maintenance Mate | Fourth Space |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (3 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 5 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 26 MB | 12 MB |
| Age rating | 4+ | 9+ |
| Developer | JS Proputec AS | 第肆空间(深圳)创新科技有限公司 |
In-app purchases
JS Maintenance Mate
No in-app purchases
Fourth Space
No in-app purchases
Questions
Is JS Maintenance Mate free?
Is Fourth Space free?
Do JS Maintenance Mate or Fourth Space have ads?
Which is updated more often, JS Maintenance Mate or Fourth Space?
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