# PulseModem A vs Linesider

The clearest difference is device support: PulseModem A at 4 against Linesider's 2. On price, update cadence, 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.

PulseModem A ships an update fortnightly, Linesider every 4 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PulseModem A | Linesider |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (40 ratings)](https://appshunter.io/ios/app/pulsemodem-a/id1424005647/reviews)** | — |
| Number of ratings | **40** | — |
| Positive reviews | 46.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 weeks |
| Monetization | Free | — |
| Size | 14 MB | 11 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pulsely Consulting](https://appshunter.io/developer/475349326) | [Tony STILLING](https://appshunter.io/developer/6781354178) |

## What reviewers say

### PulseModem A

[App page](https://appshunter.io/ios/app/pulsemodem-a/id1424005647)

This application acts as an APRS client, enabling licensed amateur radio operators to send and receive location data and messages. It supports direct connection to the APRS-IS network or transmission via VHF amateur radio, with an optional off-the-grid mode.

**Highlights:** APRS client functionality, Send and receive location data, Send and receive messages, Direct APRS-IS network connection, VHF amateur radio transmission, AX.25 AFSK modem for off-grid use

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

**In-app purchases:** none


### Linesider

[App page](https://appshunter.io/ios/app/linesider-bus-plane-and-train/id6782418932)

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

**In-app purchases:** none


## Frequently asked questions

### Is PulseModem A free?

PulseModem A is free to download, with no in-app purchases.

### Is Linesider free?

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

### Do PulseModem A or Linesider have ads?

Neither PulseModem A nor Linesider shows ads.

### Which is updated more often, PulseModem A or Linesider?

PulseModem A ships an update fortnightly, and Linesider every 4 weeks. Most recently, PulseModem A was updated on October 25, 2026 and Linesider on October 24, 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.*