FE vs WattCycle
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.
WattCycle
This application connects to Bluetooth batteries to provide real-time monitoring of their status. It allows users to keep a close eye on their battery's performance and health.
- Bluetooth battery connection
- Real-time battery status monitoring
- Battery health tracking
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WattCycle is an app that connects to Bluetooth batteries and monitors their status in real time.
Screenshots
Verdict
The clearest difference is rating: FE at 3.3 against WattCycle's 2.0. FE also leads on review sentiment (50% vs 10%). WattCycle's advantage is update cadence (every 9 days vs every 3 weeks) and ratings volume (48 vs 8). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
FE holds the better App Store score, 3.3 against 2.0. That said, the two scores are not equally well evidenced: WattCycle has 48 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 50% of FE's written reviews are positive against 10% of WattCycle's.
FE ships an update every 3 weeks, WattCycle every 9 days. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.
| Parameter | FE | WattCycle |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (8 ratings) — better | 2.0 (48 ratings) |
| Positive reviews | 50.0% of reviews — better | 10.3% of reviews |
| Number of ratings | 8 | 48 — better |
| Update frequency | Every 3 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.0 |
| Further details — not scored | ||
| Size | 18 MB | 94 MB |
| Age rating | 4+ | 4+ |
| Developer | Hangzhou Dashi Wisdom Technology Co., Ltd. | WattCycle |
Customer experience
FE
WattCycle
In-app purchases
FE
No in-app purchases
WattCycle
No in-app purchases









