Comparison

PowerMaster vs TemperatureHue

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

Head to head

About

PowerMaster

Features

Read full description

Monitor your UPS and get prompt notification anywhere and anytime! PowerMaster app provides a status overview of your UPS. It enables you to monitor your UPS and supports event notifications to ensure instant event update. PowerMaster app also supports multiple UPS monitoring. You can select a UPS from the UPS List and check its status. Download free PowerMaster app and enjoy the benefits the following features bring: - Monitor Monitor page provides an overview of the UPS current status, including power supplied, voltage supplied, power condition, battery capacity, battery status, estimated runtime and UPS load. Multiple UPS monitoring is also available. - Event log Event log info provides the a list of happened events.

About

TemperatureHue

Features

Read full description

Monitor the temperature readings from your movement sensors! In order to use the app, you need to be connected to the same WiFi network as your bridge. The app does not collect any personal data. No ads are displayed and no ad-trackers are used.

Screenshots

PowerMaster4 screens

TemperatureHue2 screens

Verdict

The call

The clearest difference is update cadence: PowerMaster at every 4 months against TemperatureHue's every 8 months. PowerMaster also leads on iOS requirement (12.0 vs 15.3). 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

PowerMaster ships an update every 4 months, TemperatureHue every 8 months. The most recent releases landed on October 11, 2026 and October 27, 2026 respectively.

Scorecard2 real differences · 4 level

PowerMaster versus TemperatureHue: the parameters behind the verdict, then further details
Parameter	PowerMaster	TemperatureHue
Price	Free	Free
Update frequency	Every 4 months — better	Every 8 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	12.0 — better	15.3
Further details — not scored
Size	52 MB	32 MB
Age rating	17+	4+
Developer	Cyber Energy Co., Ltd.	Erlend Böe

In-app purchases

None

PowerMaster

No in-app purchases

None

TemperatureHue

No in-app purchases

Questions

Is PowerMaster free?

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

Is TemperatureHue free?

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

Do PowerMaster or TemperatureHue have ads?

Neither PowerMaster nor TemperatureHue shows ads.

Which is updated more often, PowerMaster or TemperatureHue?

PowerMaster ships an update every 4 months, and TemperatureHue every 8 months. Most recently, PowerMaster was updated on October 11, 2026 and TemperatureHue on October 27, 2026.