# NIRScan Nano vs WatchNET IoT

The clearest difference is rating: WatchNET IoT at 5.0 against NIRScan Nano's 3.0. NIRScan Nano's advantage is update cadence (every 5 weeks vs every 3 months) and iOS requirement (9.0 vs 12.0). 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.

WatchNET IoT holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

NIRScan Nano ships an update every 5 weeks, WatchNET IoT every 3 months. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | NIRScan Nano | WatchNET IoT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/nirscan-nano/id999810838/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/watchnet-iot/id1537587306/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 19 MB | 116 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KS Technologies](https://appshunter.io/developer/423792118) | [Watchnet Inc.](https://appshunter.io/developer/366176722) |

## What reviewers say

### NIRScan Nano

[App page](https://appshunter.io/ios/app/nirscan-nano/id999810838)

Connect to the Texas Instruments NIRScan Nano spectroscopy module via Bluetooth to perform NIR scans. View and store reflectance, absorption, and intensity data, and optimize scans with pre-set configurations.

**Highlights:** Perform NIR spectroscopy scans (900-1700nm), View Reflectance, Absorption, and Intensity data, Store and share raw data as CSV files, Select pre-stored Scan Configurations, Connect via Bluetooth Low Energy

**Features:** macOS Compatibility

**In-app purchases:** none


### WatchNET IoT

[App page](https://appshunter.io/ios/app/watchnet-iot/id1537587306)

Monitor environmental data from anywhere using trending LoRA wireless sensors. This app bridges technology and industry with economical, simple wireless sensor solutions for commercial and industrial use. It offers ready-to-deploy, self-installable options for monitoring assets.

**Highlights:** Cloud data monitoring, LoRA wireless sensors, Business and asset tracking, Remote access, Economical sensor solutions, Self-installable sensors

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

**In-app purchases:** none


## Frequently asked questions

### Is NIRScan Nano free?

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

### Is WatchNET IoT free?

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

### Which has better reviews, NIRScan Nano or WatchNET IoT?

WatchNET IoT is rated higher. NIRScan Nano averages 3.0 out of 5 from 2 ratings, while WatchNET IoT averages 5.0 from 1 ratings.

### Do NIRScan Nano or WatchNET IoT have ads?

Neither NIRScan Nano nor WatchNET IoT shows ads.

### Which is updated more often, NIRScan Nano or WatchNET IoT?

NIRScan Nano ships an update every 5 weeks, and WatchNET IoT every 3 months. Most recently, NIRScan Nano was updated on October 5, 2026 and WatchNET IoT on October 11, 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.*