SolarViewer vs ONESTO SOLAR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SolarViewer
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PV interverter monitoring APP to monitor PV plant and PV inverter meter/parameters, provide local/remote setting.
ONESTO SOLAR
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Inverter mornitoring App
Screenshots
Verdict
The clearest difference is update cadence: SolarViewer at every 5 weeks against ONESTO SOLAR's every 4 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.
SolarViewer ships an update every 5 weeks, ONESTO SOLAR every 4 months. The most recent releases landed on September 6, 2026 and September 5, 2026 respectively.
| Parameter | SolarViewer | ONESTO SOLAR |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 | 8.0 |
| Further details — not scored | ||
| Size | 36 MB | 59 MB |
| Age rating | 4+ | 17+ |
| Developer | AsianPowerDevicesInc | Zhejiang Onesto Electric Co.,Ltd. |
In-app purchases
SolarViewer
No in-app purchases
ONESTO SOLAR
No in-app purchases
