Comparison

YESPER 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

YESPER

Features
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YESPER is a simple, fast and convenient APP that provides operating status data of emergency power equipment. You can check the temperature, power, voltage and other detailed information of the equipment, monitor the status of the equipment in real time, and help you better understand the usage of the equipment and arrange charging reasonably. Or use time. - Connect the device's Bluetooth through YESPER and obtain device-related information. - Scan the QR code on the device to obtain device-related information, which is more convenient and faster.

About

JREECOASIS

Features
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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

YESPER3 screens
JREECOASIS4 screens

Verdict

The call

The clearest difference is update cadence: JREECOASIS at weekly against YESPER's fortnightly. YESPER'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

YESPER ships an update fortnightly, JREECOASIS weekly. The most recent releases landed on October 30, 2026 and October 5, 2026 respectively.

Scorecard2 real differences Β· 4 level
YESPER versus JREECOASIS: the parameters behind the verdict, then further details
ParameterYESPERJREECOASIS
PriceFreeFree
Update frequencyFortnightlyWeekly β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.0 β€” better15.6
Further details β€” not scored
Size35 MB37 MB
Age rating4+4+
DeveloperShenzhen Carku Technology Co., Ltd.江θ₯ΏθΎΎδΌ™η½‘η»œη§‘ζŠ€ζœ‰ι™ε…¬εΈ

In-app purchases

None

YESPER

No in-app purchases

None

JREECOASIS

No in-app purchases

Questions

Is YESPER free?
YESPER is free to download, with no in-app purchases.
Is JREECOASIS free?
JREECOASIS is free to download, with no in-app purchases.
Do YESPER or JREECOASIS have ads?
Neither YESPER nor JREECOASIS shows ads.
Which is updated more often, YESPER or JREECOASIS?
YESPER ships an update fortnightly, and JREECOASIS weekly. Most recently, YESPER was updated on October 30, 2026 and JREECOASIS on October 5, 2026.

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