PRO1 Connect vs ATCD
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PRO1 Connect
Effortlessly manage your home's heating and cooling system. Adjust temperatures, create custom schedules, and monitor your thermostat remotely for ultimate comfort and energy savings. Enjoy peace of mind with professional installation and reliable performance.
- Add and manage thermostats
- Adjust temperatures remotely
- Create custom schedules
- Energy saving features
- Intuitive user interface
- Seamless setup process
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Redesigned for ultimate simplicity, efficiency, and control. Easily add and manage your thermostat with a seamless setup process, adjust temperatures through an intuitive interface, and create schedules with just a few taps. Stay connected and comfortable from anywhere, save energy effortlessly, and enjoy complete peace of mind. Elevate your thermostat experience with PRO1 Connect today! Who is PRO1? PRO1 products are designed to maximize the comfort and energy efficiency of your heating and cooling system. Our thermostats and apps are built for ease of use and years of reliable performance. We distribute exclusively through the professional HVAC trade so you can have peace of mind knowing that your thermostat was installed properly by a professional heating and cooling technician.
ATCD
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ATCD app can be used to control RGBW LED Wallwasher Lights from ATCD. With ATCD app, users can create lighting groups, can change lighting colors through smart devices.
Screenshots
Verdict
The clearest difference is iOS requirement: ATCD at 12.0 against PRO1 Connect's 15.6. On price, update cadence, ads and in-app purchases 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.
PRO1 Connect ships an update every 6 weeks, ATCD every 2 months. Both last shipped on October 15, 2026.
| Parameter | PRO1 Connect | ATCD |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (1.2K ratings) — better | — |
| Positive reviews | 18.3% of reviews | — |
| Number of ratings | 1.2K — better | — |
| Update frequency | Every 6 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 71 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Pro1 | ZHUHAI REDBAY CO., LTD |
Bugs and requests
PRO1 Connect
Reported bugs
3 issues- App freezes when changing temperature
- Thermostat settings not syncing with app
- Inability to log in or create account
Requested features
3 requests- Dark mode option
- Improved scheduling capabilities
- Better integration with smart home platforms
ATCD
Not enough reviews yet to summarise bugs or requests.
In-app purchases
PRO1 Connect
No in-app purchases
ATCD
No in-app purchases
