# NRL互联 vs FMO 设备控制台

The clearest difference is price: NRL互联 at Free against FMO 设备控制台's $3.99. NRL互联 also leads on in-app purchases (none vs 1). FMO 设备控制台's advantage is update cadence (every 5 days vs every 2 months) and iOS requirement (15.0 vs 17.0). On ads and device support there is nothing between them.

NRL互联 is free to download; FMO 设备控制台 costs $3.99 up front. FMO 设备控制台 sells 1 one-off in-app purchase. NRL互联 asks for nothing beyond the download.

NRL互联 ships an update every 2 months, FMO 设备控制台 every 5 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | NRL互联 | FMO 设备控制台 |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fmo/id6773165694/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 18 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [程 曹](https://appshunter.io/developer/581814726) | [Mobiliarbus](https://appshunter.io/developer/1474061315) |

## What reviewers say

### NRL互联

[App page](https://appshunter.io/ios/app/nrl/id6758810758)

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases:** none


### FMO 设备控制台

[App page](https://appshunter.io/ios/app/fmo/id6773165694)

Control and monitor FMO Radio devices from your iPhone or iPad. View status, listen to live audio streams, and receive SSTV images with an optional in-app purchase. Supports multiple SSTV modes and includes a local demo mode.

**Highlights:** Connect to FMO Radio devices, View relay and communication status, Stream live audio with background playback, Receive SSTV images (in-app purchase), APRS grid, distance, and bearing info, Local demo mode

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SSTV Image Receiver | $1.99 | one-time |


## Frequently asked questions

### Is NRL互联 free?

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

### Is FMO 设备控制台 free?

FMO 设备控制台 costs $3.99, and also offers in-app purchases.

### Do NRL互联 or FMO 设备控制台 have ads?

Neither NRL互联 nor FMO 设备控制台 shows ads.

### Which is updated more often, NRL互联 or FMO 设备控制台?

NRL互联 ships an update every 2 months, and FMO 设备控制台 every 5 days. Most recently, NRL互联 was updated on October 28, 2026 and FMO 设备控制台 on October 31, 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.*