PV Pro vs EG4
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PV Pro
Monitor and manage your photovoltaic power plants with real-time status updates. Easily track daily, monthly, and yearly power generation to stay informed about your plant's performance.
- Real-time power plant status
- Daily power generation tracking
- Monthly power generation tracking
- Yearly power generation tracking
- Convenient power plant overview
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Photovoltaic power plant operation management, convenient and quick view of the power plant. Master the status of the power station in real time. Every day, every month, every year, the power generation is clear at a glance. [warm tips] -Powerview will continue to use GPS positioning service when creating the power station, which will consume more power and affect battery life compared with other operations.
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
Screenshots
Verdict
The clearest difference is ratings volume: PV Pro at 129 against EG4's 12. EG4's advantage is review sentiment (25% vs 16%). On price, rating, update cadence and ads 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.
On the App Store both sit at effectively the same score — 2.4 for PV Pro against 2.3 for EG4. That said, the two scores are not equally well evidenced: PV Pro has 129 ratings behind it against 12, so its average is the more settled of the two. Written reviews are what separate them: 16% of PV Pro's written reviews are positive against 25% of EG4's.
PV Pro ships an update fortnightly, EG4 every 3 weeks. The most recent releases landed on October 14, 2026 and September 16, 2026 respectively.
| Parameter | PV Pro | EG4 |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (129 ratings) — better | 2.3 (12 ratings) |
| Positive reviews | 16.2% of reviews | 25.0% of reviews — better |
| Number of ratings | 129 — better | 12 |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 180 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Chengdu E-Linter Information Technology Co., Ltd. | 琼莉 吴 |
Customer experience
PV Pro
EG4
In-app purchases
PV Pro
No in-app purchases
EG4
No in-app purchases
