FE vs KL500A
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 500 amp battery monitoring
- Bluetooth connectivity
- Real-time charging status
- Remaining time estimation
- Historical battery data
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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.
KL500A
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KL500 A系列电压电流表是一款能测量电压、电流、功率、充放电容量、瓦时、时间等多种物理参数的新型库仑计， 同时也可以设定参数实现过压保护、欠压保护、过流保护、过功率保护、过温保护及限时保护等多种保护功能。 该仪表能够自动识别电流的方向，并且对电池容量可以进行实时监控且采用彩色液晶显示被测数据，显示信息全面、人性化。 KL500A系列电压电流表在原有功能基础上加入电压电流曲线显示及导出的功能，同时可以使用手机 APP控制显示，也可以实时对固件进行更新升
Screenshots
Verdict
The clearest difference is iOS requirement: KL500A at 11.0 against FE's 13.0. On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
FE ships an update every 3 weeks, KL500A every 4 weeks. Both last shipped on September 19, 2026.
| Parameter | FE | KL500A |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (8 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 3 weeks — better | Every 4 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 15 MB | 31 MB |
| Age rating | 4+ | 17+ |
| Developer | Hangzhou Dashi Wisdom Technology Co., Ltd. | 磊磊 周 |
In-app purchases
FE
No in-app purchases
KL500A
No in-app purchases
