Chatsystem vs PacketMessage
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chatsystem
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The ChatSystem is a messaging platform where you can enjoy unlimited features with a focus on speed and security. It is quick, simple and free. You can use the ChatSystem on all your devices at the same time and your messages sync seamlessly across any number of your phones, tablets or computers. The chat system has millions of monthly active users.
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.
Screenshots
Verdict
The clearest difference is in-app purchases: Chatsystem at none against PacketMessage's 3. Chatsystem also leads on iOS requirement (14.0 vs 17.6). On price, update cadence, ads 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. PacketMessage sells 3 one-off in-app purchases. Chatsystem asks for nothing beyond the download.
Chatsystem ships an update every 10 days, PacketMessage every 5 days. The most recent releases landed on October 27, 2026 and November 5, 2026 respectively.
| Parameter | Chatsystem | PacketMessage |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 10 days | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 14.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 68 MB | 1 MB |
| Age rating | 9+ | 4+ |
| Developer | YOgesh Rajauria | Lukasz Skierkowski |
In-app purchases
Chatsystem
No in-app purchases
PacketMessage
- Small Tip$1.99
- Medium Tip$4.99
- Large Tip$9.99
