Comparison

PowerDetector vs Comfy Connect CHOFU

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

PowerDetector

Detects power outages

Configure heat pumps

About

PowerDetector

Features

Read full description

The PowerDetector app uses the iPhone charging status to sense AC power, allowing the iPhone to act as a remote power sensor and email notification device. Configure the PowerDetector app with email addresses, plug in the iPhone to a charger and if the power goes out an email or text message will be sent to you.

About

Comfy Connect CHOFU

Read full description

Comfy Connect CHOFU is a solution designed to support remote setup and diagnostics of systems and installations by technicians and installers. The app facilitates fast and effective issue resolution, enhancing oversight and providing peace of mind for both service professionals and end users. With the Comfy Connect CHOFU platform, users can easily and efficiently oversee their installations.

Screenshots

PowerDetector4 screens

Comfy Connect CHOFU3 screens

Verdict

The call

The clearest difference is update cadence: Comfy Connect CHOFU at every 3 weeks against PowerDetector's every 2 months. Comfy Connect CHOFU also leads on iOS requirement (16.0 vs 18.6). 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

PowerDetector ships an update every 2 months, Comfy Connect CHOFU every 3 weeks. The most recent releases landed on October 14, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 4 level

PowerDetector versus Comfy Connect CHOFU: the parameters behind the verdict, then further details
Parameter	PowerDetector	Comfy Connect CHOFU
Price	Free	Free
Update frequency	Every 2 months	Every 3 weeks — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad	iPhone, iPad
Requires iOS	18.6	16.0 — better
Further details — not scored
Size	7 MB	25 MB
Age rating	4+	4+
Developer	River Rock Logic	CHOFU SEISAKUSHO CO., LTD.

In-app purchases

None

PowerDetector

No in-app purchases

None

Comfy Connect CHOFU

No in-app purchases

Questions

Is PowerDetector free?

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

Is Comfy Connect CHOFU free?

Comfy Connect CHOFU is free to download, with no in-app purchases.

Do PowerDetector or Comfy Connect CHOFU have ads?

Neither PowerDetector nor Comfy Connect CHOFU shows ads.

Which is updated more often, PowerDetector or Comfy Connect CHOFU?

PowerDetector ships an update every 2 months, and Comfy Connect CHOFU every 3 weeks. Most recently, PowerDetector was updated on October 14, 2026 and Comfy Connect CHOFU on October 25, 2026.