EG4 vs WattCycle
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EG4
This utility app monitors your device's battery health in real-time. It displays key metrics such as current, temperature, and voltage via Bluetooth connection. Keep track of your battery's vital signs to ensure optimal performance.
- Monitor battery health
- Display current, temperature, voltage
- Bluetooth connectivity
- Real-time status updates
- Device compatibility for iPhone/iPad
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EG4 is a tool app which monitor the battery health status like currency, temperature and voltage etc using bluetooth
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: EG4 at 2.3 against WattCycle's 2.0. EG4 also leads on review sentiment (25% vs 10%) and iOS requirement (14.0 vs 16.0). WattCycle's advantage is update cadence (every 9 days vs every 3 weeks) and ratings volume (48 vs 12). 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.
EG4 holds the better App Store score, 2.3 against 2.0. Both are backed by a comparable volume of ratings — 12 and 48 respectively. Written reviews point the same way: 25% of EG4's written reviews are positive against 10% of WattCycle's.
EG4 ships an update every 3 weeks, WattCycle every 9 days. The most recent releases landed on September 16, 2026 and October 9, 2026 respectively.
| Parameter | EG4 | WattCycle |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (12 ratings) — better | 2.0 (48 ratings) |
| Positive reviews | 25.0% of reviews — better | 10.3% of reviews |
| Number of ratings | 12 | 48 — better |
| Update frequency | Every 3 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 10 MB | 94 MB |
| Age rating | 4+ | 4+ |
| Developer | 琼莉 吴 | WattCycle |
Customer experience
EG4
WattCycle
In-app purchases
EG4
No in-app purchases
WattCycle
No in-app purchases








