ZSElmer vs MeshMonitor Chat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZSElmer
This app serves as a digital logbook and satellite tracker for amateur radio enthusiasts. It allows users to log contacts, monitor satellite positions, and connect with a global community of radio operators. Designed for both new and experienced users, it facilitates sharing experiences and learning from mentors.
- Real-time satellite tracking
- Predict satellite passes
- Quick QSO logging
- ADIF, Cabrillo, CSV import/export
- Community sharing features
- Live antenna pointing data
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ZSELmer is your modern HAM radio companion – proudly built in South Africa and made for radio amateurs worldwide. Whether you’re a beginner or an experienced operator, ZSELmer helps you log QSOs, track satellites, and connect with the global HAM community. Key Features SATELLITE TRACKING Real-time tracking for ISS, FM, and amateur satellites Predict satellite passes days in advance Live antenna pointing data (azimuth & elevation) LOGBOOK Quick QSO logging: callsign, frequency, mode, signal reports, grid locator, and time Auto-fill UTC and location for accuracy Contest-ready with ADIF, Cabrillo, and CSV import/export COMMUNITY Share your HAM radio journey with fellow operators Post photos, videos, and stories Connect globally, make friends, and learn from Elmers (mentors) PROUDLY SOUTH AFRICAN, MADE FOR THE WORLD “ZS” is the South African callsign prefix. “Elmer” is a trusted HAM mentor – and ZSELmer is yours, guiding you from first QSO to advanced DX. Whether you’re chasing satellites, logging contests, or sharing stories with fellow HAMs, ZSELmer grows with you – from beginner to expert.
MeshMonitor Chat
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MeshMonitor Chat is a native iOS client for talking to your Meshtastic mesh through a self-hosted MeshMonitor server. Connect your iPhone to your server with a host, a port and a Bearer token, and start reading and sending messages on any channel or private conversation in your mesh. FEATURES • Channels: browse every primary and secondary channel on your mesh and jump into any of them with a tap. • Direct messages: one-to-one conversations with nodes that have exchanged keys with yours (PKC). • Unread inbox: a tab that gathers conversations with pending messages. • Node list: hop count, last-heard time and online or offline state, with a filter to show only active nodes. • Quick reactions: long-press a message to react with an emoji. • Replies: quote any message and answer it from inside the conversation. • Delivery state: every outgoing message shows whether it is pending, confirmed or has failed. • Status panel: server version, app-to-server reachability, server-to-radio link, uptime and statistics. PRIVACY • Your token is stored in the iOS Keychain and never leaves the device except to authenticate against the server you choose. • No analytics, no tracking, no third-party SDKs, no telemetry. • The app does not operate any server: you decide which MeshMonitor instance you connect to. REQUIREMENTS • A MeshMonitor server reachable from your iPhone (local network or the internet, plain HTTP or HTTPS). • A Meshtastic node attached to that server. • A Bearer token generated from the MeshMonitor Settings page. OPEN SOURCE MeshMonitor Chat is free software released under the GPL-3.0 license. Source code, issue tracker and contribution links are available from the in-app Settings screen.
Screenshots
Verdict
The clearest difference is update cadence: MeshMonitor Chat at every 3 weeks against ZSElmer's every 7 months. ZSElmer's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ZSElmer ships an update every 7 months, MeshMonitor Chat every 3 weeks. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.
| Parameter | ZSElmer | MeshMonitor Chat |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 7 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 96 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Alecia Vermeulen | ANDROS FENOLLOSA HURTADO |
In-app purchases
ZSElmer
No in-app purchases
MeshMonitor Chat
No in-app purchases








