Comparison

FJAPP vs Pro

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

Head to head
About

FJAPP

Features
Read full description

1. Product recommendations, full product line, and detailed product descriptions 2. Community reviews and product knowledge sharing 3. Modifying and fine-tuning product specifications 4. Handling day-to-day after-sales service matters

About

Pro

Monitor your battery's real-time status, including voltage, current, and internal resistance. Track historical data, compare cell performance, and receive alerts for temperature, short circuits, and voltage deviations. This system helps optimize lithium battery health and lifespan.

Highlights
  • Real-time voltage, current, power monitoring
  • Battery cell comparison and balance display
  • Cell temperature and fault warnings
  • Historical data charting
  • Bluetooth connectivity to equalizer
  • Alarm prompts for critical parameters
Features
Read full description

The Pro-Guide Battery management system is connected to the active equalizer via Bluetooth to monitor the battery status, collect, store and process information during battery operation in real, time Easy for after-sales management。 1. Display real-time voltage, current, power, internal resistance and other parameter values, and display them in the form of instrument panels and numbers; 2.Record battery data using a chart timeline. Easy to use 3. Each data comparison of the battery cell, the voltage difference. Maximum voltage cell Minimum voltage cell. And the display of cell balance 4. Cell temperature warning. Real-time alarm for over temperature, short circuit, over voltage, under voltage 5. Display the real-time voltage and alarm status of all single batteries. If the reported parameters trigger the alarm value or protection value, an alarm will be prompted; 6.New fault reporting function Use a Battery Monitoring System To get the most out of a lithium battery, it’s essential to use a battery monitoring system. This will help track your battery’s charging and discharging cycles and overall health. A battery monitoring system will ensure that your battery is always in top condition and prolong its lifespan. I hope Pro-Guide can help you learn more about the convenience of using the battery Best Regards !

Screenshots

FJAPP4 screens
Pro4 screens

Verdict

The call

The clearest difference is update cadence: Pro at every 2 weeks against FJAPP's monthly. 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

FJAPP ships an update monthly, Pro every 2 weeks. The most recent releases landed on September 4, 2026 and September 10, 2026 respectively.

Scorecard1 real difference · 8 level
FJAPP versus Pro: the parameters behind the verdict, then further details
ParameterFJAPPPro
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyMonthlyEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size45 MB69 MB
Age rating17+4+
Developer凡己科技(苏州)有限公司Battery Outfitters, Inc

In-app purchases

None

FJAPP

No in-app purchases

None

Pro

No in-app purchases

Questions

Is FJAPP free?
FJAPP is free to download, with no in-app purchases.
Is Pro free?
Pro is free to download, with no in-app purchases.
Do FJAPP or Pro have ads?
Neither FJAPP nor Pro shows ads.
Which is updated more often, FJAPP or Pro?
FJAPP ships an update monthly, and Pro every 2 weeks. Most recently, FJAPP was updated on September 4, 2026 and Pro on September 10, 2026.

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