# BTS NodeB vs HoldFast Anchor Alarm

The clearest difference is review sentiment: HoldFast Anchor Alarm at 100% against BTS NodeB's 0%. BTS NodeB's advantage is in-app purchases (none vs 2) and iOS requirement (6.1 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. HoldFast Anchor Alarm sells 2 in-app purchases, starting at $4.99 per year. BTS NodeB asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | BTS NodeB | HoldFast Anchor Alarm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/bts-nodeb/id794263293/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 46 MB |
| Requires iOS | **6.1** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TRAN TRUNG CHUYEN](https://appshunter.io/developer/471312207) | [Adam Harvey](https://appshunter.io/developer/1890289893) |

## 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


### HoldFast Anchor Alarm

[App page](https://appshunter.io/ios/app/holdfast-anchor-alarm/id6761567740)

This app provides reliable anchor monitoring for sailors, ensuring peace of mind while at rest. It features robust background tracking, customizable alerts, and a night-vision friendly interface. Pro features like remote watch and track history are available with a one-time purchase.

**Highlights:** Background GPS tracking, Customizable anchor zone radius, Dual-stage progressive alarms, Night-vision friendly dark mode, Remote watch link sharing, GPS track history, Custom alarm zone drawing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HoldFast Premium | $4.99 | per year |
| HoldFast Anchor Alarm | $9.99 | one-time |


## Frequently asked questions

### Is BTS NodeB free?

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

### Is HoldFast Anchor Alarm free?

HoldFast Anchor Alarm is free to download, with in-app purchases available.

### Do BTS NodeB or HoldFast Anchor Alarm have ads?

Neither BTS NodeB nor HoldFast Anchor Alarm shows ads.

### Which is updated more often, BTS NodeB or HoldFast Anchor Alarm?

BTS NodeB ships an update every 2 weeks, and HoldFast Anchor Alarm every 2 weeks. Most recently, BTS NodeB was updated on October 17, 2026 and HoldFast Anchor Alarm 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.*