PVbutler vs ViewPower
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PVbutler
Monitor your photovoltaic plant's performance remotely. Access energy yield, income, and system status wirelessly. Requires registration with the Sacolar PV Data Center.
- Remote monitoring of photovoltaic plants
- Access energy yield data
- Track income generation
- View system status
- Wireless data access
- Compatible with Sacolar PV Data Center
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A client software for monitoring the photovoltaic plant; it can collect the plant running info from Sacolar PV Data Center, such as energy yield, income and system status, which can be remotely and wirelessly accessed by the user. At present it supports plant which is registered in Sacolar PV Data Center(server.pvbutler.com)
ViewPower
Monitor device status, configure settings, and receive important notifications. Record historical device data for review. This utility app helps manage device operations effectively.
- Display device status
- Configure device settings
- Receive warning/alarm notifications
- Record device data history
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Here are the application uses: 1. Display device status during normal operation. 2. Configure device setting after installation. 3. Notify user when a warning or alarm happened. 4. Allow user record device data history.
Screenshots
Verdict
The clearest difference is rating: PVbutler at 2.9 against ViewPower's 1.0. PVbutler also leads on update cadence (every 3 months vs every 11 months) and review sentiment (18% vs 0%). 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.
PVbutler holds the better App Store score, 2.9 against 1.0. That said, the two scores are not equally well evidenced: PVbutler has 15 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 18% of PVbutler's written reviews are positive against 0% of ViewPower's.
PVbutler ships an update every 3 months, ViewPower every 11 months. The most recent releases landed on August 15, 2026 and August 14, 2026 respectively.
| Parameter | PVbutler | ViewPower |
|---|---|---|
| Price | Free | Free |
| Rating | 2.9 (15 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 17.6% of reviews — better | 0.0% of reviews |
| Number of ratings | 15 — better | 1 |
| Update frequency | Every 3 months — better | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 214 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Growatt New Energy Technology Co.,Ltd | 祥梯 孟 |
Customer experience
PVbutler
ViewPower
In-app purchases
PVbutler
No in-app purchases
ViewPower
No in-app purchases









