CSI CloudPro vs NEPViewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CSI CloudPro
Access real-time and historical operational data for Canadian Solar plants. Monitor production energy, revenue, and device status remotely via a network connection.
- Monitor running parameters
- View production energy
- Track production revenue
- Check device status
- Access real-time data
- View historical data
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This is the software of client part for surveillance system for Canadian Solar plants, which enables obtain running parameters (production energy, production revenue, device status and etc,) from Canadian Solar Data Center. Furthermore, customers can check real-time data and historical data via remote network.
NEPViewer
Monitor your BDM micro inverter system in real-time. Track system output and energy harvest, or view installed systems and their performance. Requires registration on the NEPViewer website.
- Real-time system monitoring
- Track energy harvest
- View installed systems
- Check system performance
- Multi-language support
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NEPViewer provides real-time monitoring for BDM micro inverter systems from Northern Electric & Power Inc. (NEP) - End user can easily check on system output and energy harvest - Installer can check a list of systems installed and performance A username and password from https://www.nepviewer.com is required. User of this APP needs to register on the NEPViewer website first. NEPViewer supports multiple languages including English, Spanish, German, French, Portuguese, Polish, Japanese and Chinese.
Screenshots
Verdict
The clearest difference is rating: CSI CloudPro at 5.0 against NEPViewer's 2.3. CSI CloudPro also leads on iOS requirement (13.0 vs 15.0). NEPViewer's advantage is update cadence (every 3 weeks vs every 2 months) and ratings volume (4 vs 1). On price, review sentiment, ads and in-app purchases 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.
CSI CloudPro holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews complicate that: 11% of CSI CloudPro's written reviews are positive against 14% of NEPViewer's, so the app with the better star average is not the one people write more warmly about.
CSI CloudPro ships an update every 2 months, NEPViewer every 3 weeks. The most recent releases landed on September 25, 2026 and September 29, 2026 respectively.
| Parameter | CSI CloudPro | NEPViewer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 2.3 (4 ratings) |
| Positive reviews | 11.1% of reviews | 14.0% of reviews — better |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 56 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | Canadian Solar Inc. | Northern Electric & Power Inc |
Customer experience
CSI CloudPro
NEPViewer
Bugs and requests
CSI CloudPro
Not enough reviews yet to summarise bugs or requests.
NEPViewer
Reported bugs
12 issues- App closes immediately on launch/login
- Blank error box when resetting password
- App offline frequently
- Inaccurate wattage readings
- Cannot connect to all inverters
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- Serial number error during inverter pairing
- Display issues on iPad (white screen, cut-off content)
- App crashes after iOS updates
- Network anomaly errors
- Login issues after updates
- Data not refreshing or delayed
- App requires daily reinstallation to view data
Requested features
7 requests- Restore panel performance view
- Restore daily/hourly graphs and curves
- Improve iPad/landscape mode support
- Better customer support
- Option to stay logged in
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- More accurate real-time data
- Improve scaling of axes in graphs
In-app purchases
CSI CloudPro
No in-app purchases
NEPViewer
No in-app purchases







