# BluetoothLE RTK vs NTRIP STX

The clearest difference is in-app purchases: BluetoothLE RTK at none against NTRIP STX's 2. BluetoothLE RTK also leads on update cadence (every 2 weeks vs every 10 months) and iOS requirement (12.4 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. NTRIP STX sells 2 in-app purchases, starting at $4.49 per month. BluetoothLE RTK asks for nothing beyond the download.

BluetoothLE RTK ships an update every 2 weeks, NTRIP STX every 10 months. The most recent releases landed on May 14, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | BluetoothLE RTK | NTRIP STX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 10 months |
| Size | 13 MB | 109 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Navisys Technology Corp.](https://appshunter.io/developer/954176603) | [ITS Geo Solutions GmbH](https://appshunter.io/developer/1362963860) |

## What reviewers say

### BluetoothLE RTK

[App page](https://appshunter.io/ios/app/bluetoothle-rtk/id1599429026)

**Features:** macOS Compatibility

**In-app purchases:** none


### NTRIP STX

[App page](https://appshunter.io/ios/app/ntrip-stx/id1606816934)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional - Monthly | $4.49 | per month |
| Professional - Annual | $46.99 | per year |


## Frequently asked questions

### Is BluetoothLE RTK free?

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

### Is NTRIP STX free?

NTRIP STX is free to download, with in-app purchases available.

### Do BluetoothLE RTK or NTRIP STX have ads?

Neither BluetoothLE RTK nor NTRIP STX shows ads.

### Which is updated more often, BluetoothLE RTK or NTRIP STX?

BluetoothLE RTK ships an update every 2 weeks, and NTRIP STX every 10 months. Most recently, BluetoothLE RTK was updated on May 14, 2026 and NTRIP STX on September 8, 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.*