# NEPViewer vs SecureSonic

The clearest difference is rating: SecureSonic at 5.0 against NEPViewer's 2.0. NEPViewer's advantage is update cadence (every 3 weeks vs every 7 months) and ratings volume (5 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SecureSonic holds the better App Store score, 5.0 against 2.0. That said, the two scores are not equally well evidenced: NEPViewer has 5 ratings behind it against 1, so its average is the more settled of the two.

NEPViewer ships an update every 3 weeks, SecureSonic every 7 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | NEPViewer | SecureSonic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (5 ratings)](https://appshunter.io/ios/app/nepviewer/id1480269247/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/securesonic/id6744837368/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 13.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 7 months |
| Monetization | Free | Free |
| Size | 62 MB | 21 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [Northern Electric & Power Inc](https://appshunter.io/developer/1202736933) | [Secure Sonique inc](https://appshunter.io/developer/6794758383) |

## What reviewers say

### NEPViewer

[App page](https://appshunter.io/ios/app/nepviewer/id1480269247)

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.

**Highlights:** Real-time system monitoring, Track energy harvest, View installed systems, Check system performance, Multi-language support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Intuitive and easy to use (some users)
- ✨ Modern look and feel (some users)
- ✅ App does what it's supposed to (sometimes)

**What reviewers complain about**

- 🐛 Frequent crashes and closing
- ❌ Login and password reset issues
- 📉 Inaccurate or delayed data
- 🚫 Loss of important features (panel view, daily graphs)
- 🖥️ Poor iPad/landscape support

**Reported bugs**

- App closes immediately on launch/login
- Blank error box when resetting password
- App offline frequently
- Inaccurate wattage readings
- Cannot connect to all inverters

**Requested features**

- Restore panel performance view
- Restore daily/hourly graphs and curves
- Improve iPad/landscape mode support
- Better customer support
- Option to stay logged in


### SecureSonic

[App page](https://appshunter.io/ios/app/securesonic/id6744837368)

This app offers robust multi-factor authentication for your digital accounts. It provides both online push notifications and offline codes for secure access, ensuring your accounts are protected with bank-level security.

**Highlights:** Multi-factor authentication, Online push notifications, Offline verification codes, Bank-level security, User-friendly interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is NEPViewer free?

NEPViewer is free to download, with no in-app purchases.

### Is SecureSonic free?

SecureSonic is free to download, with no in-app purchases.

### Which has better reviews, NEPViewer or SecureSonic?

SecureSonic is rated higher. NEPViewer averages 2.0 out of 5 from 5 ratings, while SecureSonic averages 5.0 from 1 ratings.

### Do NEPViewer or SecureSonic have ads?

Neither NEPViewer nor SecureSonic shows ads.

### Which is updated more often, NEPViewer or SecureSonic?

NEPViewer ships an update every 3 weeks, and SecureSonic every 7 months. Most recently, NEPViewer was updated on October 29, 2026 and SecureSonic on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*