# NEPViewer vs THY MIX

The clearest difference is rating: NEPViewer at 2.7 against THY MIX's 1.5. NEPViewer also leads on update cadence (every 3 weeks vs every 3 months) and review sentiment (14% vs 0%). THY MIX's advantage is iOS requirement (12.0 vs 15.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

NEPViewer holds the better App Store score, 2.7 against 1.5. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews point the same way: 14% of NEPViewer's written reviews are positive against 0% of THY MIX's.

NEPViewer ships an update every 3 weeks, THY MIX every 3 months. The most recent releases landed on September 22, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | NEPViewer | THY MIX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (3 ratings)](https://appshunter.io/ios/app/nepviewer/id1480269247/reviews)** | [1.5 (4 ratings)](https://appshunter.io/ios/app/thy-mix/id6469256132/reviews) |
| Number of ratings | 3 | **4** |
| Positive reviews | **14.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 62 MB | 48 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Northern Electric & Power Inc](https://appshunter.io/developer/1202736933) | [Jiyan Zhizao (Dongguan) Technology Co., Ltd.](https://appshunter.io/developer/1709415927) |

## 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


### THY MIX

[App page](https://appshunter.io/ios/app/thy-mix/id6469256132)

This application allows you to control smart devices purchased through Bluetooth. It supports features like chicken coop doors and charging stations.

**Highlights:** Bluetooth device control, Smart chicken coop door management, Charging station control, Device compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NEPViewer free?

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

### Is THY MIX free?

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

### Which has better reviews, NEPViewer or THY MIX?

NEPViewer is rated higher. NEPViewer averages 2.7 out of 5 from 3 ratings, while THY MIX averages 1.5 from 4 ratings.

### Do NEPViewer or THY MIX have ads?

Neither NEPViewer nor THY MIX shows ads.

### Which is updated more often, NEPViewer or THY MIX?

NEPViewer ships an update every 3 weeks, and THY MIX every 3 months. Most recently, NEPViewer was updated on September 22, 2026 and THY MIX on September 14, 2026.

---

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