Comparison

PowerMaster vs JREECOASIS

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

JREECOASIS

Features
Read full description

JREECOASIS Battery Management System JREECOASIS provides a complete battery management solution for monitoring and protecting lithium battery systems. Our platform gives you clear visibility and reliable control over your energy storage with intuitive features and solid safety measures. Core Monitoring Features Accurate State of Charge tracking, individual cell voltage monitoring, multi-zone temperature detection, and real-time current measurement during charge and discharge. Protection Systems Overvoltage and undervoltage protection, adjustable overcurrent protection, thermal runaway prevention, and multi-layer safety architecture. Performance Optimization Active cell balancing technology, intelligent charge and discharge management, and battery health condition assessment. Connectivity Options Bluetooth wireless connection, CAN bus communication interface, and cloud-based data synchronization. User Features Fault alerts and diagnostic tools, customizable operating parameters, power consumption monitoring, and data logging with report generation. Technical Specifications Operating temperature range from -20Β°C to 60Β°C, advanced isolation protection, and broad compatibility with various lithium batteries. Ideal Applications Residential energy storage, commercial energy storage systems, electric vehicles, solar power installations, and portable power solutions. JREECOASIS puts your energy under your control. Features are continuously updated to enhance user experience.

Screenshots

PowerMaster4 screens
JREECOASIS4 screens

Verdict

The call

The clearest difference is update cadence: JREECOASIS at weekly against PowerMaster's every 4 months. PowerMaster's advantage is iOS requirement (12.0 vs 15.6). 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, JREECOASIS weekly. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

Scorecard2 real differences Β· 4 level
PowerMaster versus JREECOASIS: the parameters behind the verdict, then further details
ParameterPowerMasterJREECOASIS
PriceFreeFree
Update frequencyEvery 4 monthsWeekly β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.0 β€” better15.6
Further details β€” not scored
Size52 MB37 MB
Age rating17+4+
DeveloperCyber Energy Co., Ltd.江θ₯ΏθΎΎδΌ™η½‘η»œη§‘ζŠ€ζœ‰ι™ε…¬εΈ

In-app purchases

None

PowerMaster

No in-app purchases

None

JREECOASIS

No in-app purchases

Questions

Is PowerMaster free?
PowerMaster is free to download, with no in-app purchases.
Is JREECOASIS free?
JREECOASIS is free to download, with no in-app purchases.
Do PowerMaster or JREECOASIS have ads?
Neither PowerMaster nor JREECOASIS shows ads.
Which is updated more often, PowerMaster or JREECOASIS?
PowerMaster ships an update every 4 months, and JREECOASIS weekly. Most recently, PowerMaster was updated on November 11, 2026 and JREECOASIS on October 31, 2026.

Other comparisons