PacketMessage vs OpLine
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PacketMessage
This app enables licensed amateur radio operators to send reliable messages directly over RF using their radio and a compatible TNC interface. It leverages advanced error correction protocols for robust communication in a decentralized network.
- FX.25 forward error correction
- AX.25 bit-flip error correction
- Software TNC or KISS TNC interface support
- Direct RF message transmission
- Decentralized communication
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PacketMessage fully supports FX.25 forward error correction and AX.25 bit-flip error correction. Send reliable messages over software TNC or KISS TNC interfaces. Decentralized solution, messages travel directly over RF via your radio. PacketMessage is intended to be used by licensed amateur radio operators. A valid amateur radio license, assigned callsign, and a compatible radio are required to send and receive messages. This app does not function as a standalone messenger.
OpLine
This app provides licensed amateur radio operators with a fast, native iOS client for the AllStarLink network. It offers push-to-talk functionality, live net schedules, smart favorites, and real-time telemetry for a reliable mobile experience.
- Push to Talk (hold or toggle)
- Live Net Schedule with alerts
- Smart Favorites for nodes and nets
- Real-Time Telemetry (RX/TX meters)
- Worldwide AllStarLink node coverage
- Native iOS design with dark mode
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OpLine - AllStarLink in Your Pocket Connect to AllStarLink nodes anywhere your iPhone has signal. OpLine is a fast, native iOS client for licensed amateur radio operators who want a clean, reliable way to get on the network without desktop tools or generic SIP clients. KEY FEATURES Push to Talk Hold-to-talk or tap-to-toggle. Lock the mic when you need both hands free. Designed to feel like a real radio. Keyed Nodes See which nodes are transmitting across the network right now, busiest first, and tap to jump in. Live Net Schedule Browse upcoming nets, filter by region or favorites, and set reminders before they start. Smart Favorites Save your daily-driver nodes and the nets you actually attend. Real-Time Telemetry RX/TX meters, connection status, and who is linked to the node you are on. Bluetooth and Hands Free Bluetooth PTT handsets, mic selection, Lock Screen controls, widgets, Siri, and the Action Button. OPLINE PULSE (optional subscription) Pulse is the network, around the clock: a map of busy hubs, which hubs are talking right now, a push when a node you follow wakes up, how busy AllStar was over the last day or week, talk-time history for the hubs people follow, and the nets that really run, verified against what the network actually did. Pulse Monthly: $1.99 per month. Pulse Annual: $12.99 per year. New subscribers get the first week free. Payment is charged to your Apple Account at confirmation. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period, and can be managed in your Apple Account settings. Everything else in OpLine is included in the one-time purchase and always will be. Bought OpLine before Pulse existed? Your first year of Pulse is free. It switches on by itself. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.opline.app/privacy REQUIREMENTS - A valid amateur radio license and call sign are required to transmit. - An AllStarLink node connection. Your own ASL3 Raspberry Pi node is recommended; see opline.app/setup for a free build guide. - Standard amateur radio rules apply: identify with your call sign and follow Part 97 or your country's equivalent. WHY OPLINE Most AllStarLink clients started as desktop tools and were retrofitted for mobile. OpLine was designed iPhone-first: instant connect, sub-second PTT response, clean telemetry, and a UI that respects your time. No ads. No account. The app is a one-time purchase; Pulse is optional. Built by a licensed ham who wanted a better way to get on the air from a phone. NEW TO HAM RADIO? Visit opline.app/license for a quick guide to getting your Technician license, the only license you need to use OpLine. 73, OpLine
Screenshots
Verdict
The clearest difference is price: PacketMessage at Free against OpLine's $6.99. OpLine's advantage is chart position (#32 vs unranked) and ratings volume (4 vs 1). On rating, update cadence, ads and in-app purchases 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
PacketMessage is free to download; OpLine costs $6.99 up front. PacketMessage sells 3 one-off in-app purchases and OpLine sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for PacketMessage against 5.0 for OpLine. Both are backed by a comparable volume of ratings — 1 and 4 respectively.
PacketMessage ships an update every 5 days, OpLine weekly. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.
| Parameter | PacketMessage | OpLine |
|---|---|---|
| Price | Free — better | $6.99 |
| Rating | 5.0 (1 ratings) | 5.0 (4 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 5 days — better | Weekly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Paid |
| Best chart rank | — | #32 — better |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 8 MB |
| Age rating | 4+ | 9+ |
| Developer | Lukasz Skierkowski | Justin Calvert |
Customer experience
PacketMessage
OpLine
In-app purchases
PacketMessage
- Small Tip$1.99
- Medium Tip$4.99
- Large Tip$9.99
OpLine
- OpLine Pulse Monthly7 Days trial$1.991 Month
- OpLine Pulse Annual7 Days trial$12.991 Year









