Comparison

FE vs KH

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

Head to head
About

FE

Monitor your battery's charging status, remaining time, and historical data with this Bluetooth-connected device. It provides a comprehensive overview of your battery's performance.

Highlights
  • 500 amp battery monitoring
  • Bluetooth connectivity
  • Real-time charging status
  • Remaining time estimation
  • Historical battery data
Features
Read full description

FE-Shunt is a versatile and easy-to-use 500 amp battery monitor.Connect to the FE-Shunt device via Bluetooth, you can read out all monitored battery parameters-such as charging status, remaining time, historical information, etc.

About

KH

This utility measures electrical parameters like voltage, current, and power. It offers real-time monitoring of battery capacity and includes advanced protection functions. The app also supports data export and remote control via a mobile app or host computer.

Highlights
  • Measures voltage, current, power, and capacity
  • Real-time battery monitoring
  • Over-voltage, under-voltage, and over-current protection
  • Voltage and current curve display
  • Data export function
  • Mobile app and host computer control
  • Real-time firmware updates
Features
Read full description

The VAG series volt-ampere meter is a new type of coulomb counter that can measure various physical parameters such as voltage, current, power, charge and discharge capacity, watt-hours, time, etc. It can also set parameters to realize multiple protection functions such as over voltage protection, under voltage protection, over current protection, overpower protection, over temperature protection and time limit protection.The meter can automatically identify the direction of the current, and can monitor the battery capacity in real time and display the measured data in use color LCD screen. The VAG series voltage and current meters add voltage and current curve display and export functions on the basis of the original functions. At the same time, the mobile phone APP and host computer can be used to control, and the firmware can also be updated and upgraded in real time.

Screenshots

FE4 screens
KH4 screens

Verdict

The call

The clearest difference is review sentiment: FE at 50% against KH's 0%. KH's advantage is update cadence (every 5 days vs every 3 weeks) and iOS requirement (9.0 vs 15.6). On price, ads, in-app purchases and monetization model 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

FE ships an update every 3 weeks, KH every 5 days. Both last shipped on November 3, 2026.

Scorecard3 real differences · 7 level
FE versus KH: the parameters behind the verdict, then further details
ParameterFEKH
PriceFreeFree
Rating3.3 (8 ratings) — better—
Positive reviews50.0% of reviews — better0.0% of reviews
Number of ratings8 — better—
Update frequencyEvery 3 weeksEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.69.0 — better
Further details — not scored
Size18 MB32 MB
Age rating4+4+
DeveloperHangzhou Dashi Wisdom Technology Co., Ltd.Hangzhou Junce Instruments Co., Ltd.

Customer experience

FE

All ratings8 ratings
Positive50.0%
Neutral25.0%
Negative25.0%
Written reviews6 reviews
Positive50.0%
Neutral33.3%
Negative16.7%

KH

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

FE

No in-app purchases

None

KH

No in-app purchases

Questions

Is FE free?
FE is free to download, with no in-app purchases.
Is KH free?
KH is free to download, with no in-app purchases.
Do FE or KH have ads?
Neither FE nor KH shows ads.
Which is updated more often, FE or KH?
FE ships an update every 3 weeks, and KH every 5 days. Most recently, FE was updated on November 3, 2026 and KH on November 3, 2026.

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