PVbutler vs DeyeOSS
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)
DeyeOSS
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Support multiple service modes, with meticulous cultivation in the field of after-sales service; Accumulate rich industry practices, and upgrade service management to ensure protection; Enhance efficiency, focus on experience, and facilitate customer service processes; Based on flexible configuration of APaaS, adapting to business needs is inevitable. Deye OSS, excellent practice in after-sales service management.
Screenshots
Verdict
The clearest difference is update cadence: DeyeOSS at every 9 days against PVbutler's every 3 months. On price, ads, in-app purchases and device support 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 ships an update every 3 months, DeyeOSS every 9 days. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.
| Parameter | PVbutler | DeyeOSS |
|---|---|---|
| Price | Free | Free |
| Rating | 2.9 (15 ratings) — better | — |
| Positive reviews | 17.6% of reviews | — |
| Number of ratings | 15 — better | — |
| Update frequency | Every 3 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 11.1 — better |
| Further details — not scored | ||
| Size | 214 MB | 84 MB |
| Age rating | 4+ | 17+ |
| Developer | Shenzhen Growatt New Energy Technology Co.,Ltd | Zhejiang Deye Electrical Appliances Co., Ltd. |
In-app purchases
PVbutler
No in-app purchases
DeyeOSS
No in-app purchases









