PulseModem A vs E
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PulseModem A
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.
- 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
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PulseModem A is the APRS client for licensed Amateur Radio operators on iPhone and iPad. Connect to the global APRS-IS network and watch nearby stations appear on a live map in real time — each one drawn with its authentic APRS symbol icon and a country flag derived from its callsign prefix. LIVE APRS-IS FEED - Connects to rotate.aprs.net with a geographic filter centred on your GPS location - Displays raw packets as they arrive, colour-coded by type - Auto-connect on launch — PulseModem A is ready before you finish your coffee - Decodes uncompressed, Base91 compressed, and Mic-E packets (common in Kenwood and Yaesu radios) INTERACTIVE MAP - Every station plotted with its real APRS symbol PNG — car, hiker, weather station, digipeater, and hundreds more - Tap any pin to see a callout; tap the callout to open the full station detail - Centres on your location at city level the moment a GPS fix is available - Your own beacon appears on the map immediately after sending STATION LIST - Full searchable list of received stations - Country flag next to every callsign, resolved from the standard cty.dat prefix database - iPad split-view: select a station on the left, see full details on the right - One tap to look up any callsign on QRZ.com — right inside the app, no browser switch GPS BEACONING - Send your position to the APRS network with a single tap - Choose your station symbol from a searchable visual grid of all APRS symbols - Add an optional comment to your beacon packet - Encoded in Base91 compressed format for maximum compatibility SETTINGS & COMPATIBILITY - Callsign and passcode stored securely in the Keychain - Upgrading from an earlier version? Your callsign, passcode, and preferences carry over automatically - Adjustable filter radius, fallback coordinates for GPS-denied environments - Supports receive-only mode (passcode -1) — no transmit license required to monitor REQUIREMENTS A valid amateur radio license is required to transmit on APRS. Anyone may receive and monitor. RF Receive and RF Transmit (direct audio-port TNC operation) are under re-development and will return in an upcoming update. APRS is a registered trademark of Bob Bruninga.
E
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Use E-Go for your commute to work, to explore your city with friends, or to live a greener life. Using E-Go app is simple: 1 - Download the E-Go App and create an account 2 - Unlock the nearest trike by scanning the QR code on the front 3 - Ride safely to your destination 4 - End your ride on the app and lock the bike If you have any comments, please feel free to reach out to support@velvioo.com
Screenshots
Verdict
The clearest difference is update cadence: PulseModem A at fortnightly against E's every 6 months. E's advantage is iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
PulseModem A ships an update fortnightly, E every 6 months. The most recent releases landed on August 23, 2026 and September 9, 2026 respectively.
| Parameter | PulseModem A | E |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (39 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 39 — better | — |
| Update frequency | Fortnightly — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPod |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 80 MB |
| Age rating | 4+ | 4+ |
| Developer | Pulsely Consulting | ANIV, INC |
In-app purchases
PulseModem A
No in-app purchases
E
No in-app purchases





