# BTS NodeB vs GridNav

The clearest difference is rating: GridNav at 5.0 against BTS NodeB's 1.0. GridNav also leads on update cadence (every 6 days vs every 2 weeks) and ratings volume (4 vs 1). BTS NodeB's advantage is in-app purchases (none vs 1) and iOS requirement (6.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. GridNav sells 1 one-off in-app purchase. BTS NodeB asks for nothing beyond the download.

GridNav holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

BTS NodeB ships an update every 2 weeks, GridNav every 6 days. The most recent releases landed on September 29, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | BTS NodeB | GridNav |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/bts-nodeb/id794263293/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/gridnav-mgrs-land-nav-gps/id6768683465/reviews)** |
| Number of ratings | 1 | **4** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 13 MB |
| Requires iOS | **6.1** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [TRAN TRUNG CHUYEN](https://appshunter.io/developer/471312207) | [BigBalli Consulting llc](https://appshunter.io/developer/363765325) |

## What reviewers say

### BTS NodeB

[App page](https://appshunter.io/ios/app/bts-nodeb/id794263293)

This application provides information about Vinaphone's Base Transceiver Stations (BTS) and Node B sites. It is designed for users who need to access or understand the network infrastructure of Vinaphone.

**Highlights:** Vinaphone BTS information, Node B site details, Network infrastructure data, Mobile network site locator

**Features:** macOS Compatibility

**In-app purchases:** none


### GridNav

[App page](https://appshunter.io/ios/app/gridnav-mgrs-land-nav-gps/id6768683465)

Easily convert and display MGRS, UTM, and lat-lon coordinates on a map, even without a signal. This app is designed for quick grid-to-map conversion and navigation, with features like offline maps and a night mode.

**Highlights:** Real-time coordinate display (MGRS, UTM, lat-lon), Paste and plot grid coordinates on map, Offline map downloads (OpenStreetMap, USGS topo), Adjustable coordinate precision and display order, Waypoint saving and navigation, Red on black night mode, One-handed operation and glove-friendly design

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $12.99 | one-time |


## Frequently asked questions

### Is BTS NodeB free?

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

### Is GridNav free?

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

### Which has better reviews, BTS NodeB or GridNav?

GridNav is rated higher. BTS NodeB averages 1.0 out of 5 from 1 ratings, while GridNav averages 5.0 from 4 ratings.

### Do BTS NodeB or GridNav have ads?

Neither BTS NodeB nor GridNav shows ads.

### Which is updated more often, BTS NodeB or GridNav?

BTS NodeB ships an update every 2 weeks, and GridNav every 6 days. Most recently, BTS NodeB was updated on September 29, 2026 and GridNav on September 21, 2026.

---

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