Comparison

PowerMaster vs Volteec

Price, ratings, monetisation and update history for both apps, side by side β€” 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

Volteec

Features
Read full description

Advanced UPS monitoring for self-hosted environments. Requires a backend server (NUT or Volteec Backend). Volteec is a private, read-only UPS status viewer for iPhone and iPad, designed for homelab and self-hosted setups. Connect the app to your own monitoring backend to see: β€’ UPS status (Online / On Battery / Offline) β€’ Battery percentage and runtime (when available) β€’ Load and voltage details (when available) β€’ Real-time updates Optional push alerts are available via Relay for critical status changes. Note: Push alerts require your monitoring server to be reachable from the internet over HTTPS. If the server is offline or only accessible locally, notifications won’t be delivered. No Volteec account is required by default. The app does not collect personal data.

Screenshots

PowerMaster4 screens
Volteec4 screens

Verdict

The call

The clearest difference is update cadence: Volteec at every 3 weeks against PowerMaster's every 4 months. PowerMaster's advantage is iOS requirement (12.0 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· 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, Volteec every 3 weeks. The most recent releases landed on July 10, 2026 and September 12, 2026 respectively.

Scorecard2 real differences Β· 4 level
PowerMaster versus Volteec: the parameters behind the verdict, then further details
ParameterPowerMasterVolteec
PriceFreeFree
Update frequencyEvery 4 monthsEvery 3 weeks β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad
Requires iOS12.0 β€” better26.2
Further details β€” not scored
Size52 MB6 MB
Age rating17+4+
DeveloperCyber Energy Co., Ltd.TEODOR DRAGAN

In-app purchases

None

PowerMaster

No in-app purchases

None

Volteec

No in-app purchases

Questions

Is PowerMaster free?
PowerMaster is free to download, with no in-app purchases.
Is Volteec free?
Volteec is free to download, with no in-app purchases.
Do PowerMaster or Volteec have ads?
Neither PowerMaster nor Volteec shows ads.
Which is updated more often, PowerMaster or Volteec?
PowerMaster ships an update every 4 months, and Volteec every 3 weeks. Most recently, PowerMaster was updated on July 10, 2026 and Volteec on September 12, 2026.

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