NMEAconnect vs VMH Flex Marine
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NMEAconnect
This utility app acts as a server or bridge for NMEA data, connecting to various sources like TCP/UDP, BLE, and GPS. It organizes data into modules and can forward messages to other devices, acting as a multiplexer or repeater.
- NMEA 0183, NMEA 2000, SignalK, MQTT support
- TCP/UDP, BLE, internal/external GPS, Logfile connection
- NMEA multiplexer, hub, and switch
- Server/repeater for NMEA messages
- Background updates and logging
- Message filtering and rules
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NMEAconnect can connect to almost any NMEA source using TCP/UDP, BLE, internal/external GPS, Simulation or Logfile and act as an NMEA server/bridge via TCP/UDP. With NMEAconnect you have: ∙ support of NMEA 0183, NMEA 2000, SignalK or MQTT data of almost any device ∙ a simple setup with preconfigured sources plus versatile configuration options ∙ all values ordered into clear 'Modules' ∙ a NMEA multiplexer, hub or switch ∙ a server/repeater to forward NMEA messages to other devices (most NMEA-WiFi gateways are accepting only one client) ∙ a server of the internal GPS Position as NMEA data to an external device ∙ a MQTT broker, client or gateway ∙ ‚unlimited‘ NMEA log (even when NMEAconnect is in background) ∙ nmeaconnect:// protocol to provide NMEA data e.g. to a Filemaker database ∙ background updates ∙ a visual indicator for NMEA activity ∙ Environments to handle different setups ∙ Message-Rules: Block, Gate Time and TalkerID for each NMEA sentence Supported & preconfigured Devices: For a complete list of supported devices please visit: www.zapfware.de/nmearemote/sources/ ∙ WiFi: Actisense W2K-1 AstraYacht B&G: Vulcan, Zeus comar (NMEA-2-WiFi & i300W/i320W) Digital Yacht (TCP, UDP & NavLink 2) GoFree™ (B&G) GMM (NMEA 0183 & N2k) iKommunicate nke NMEA WiFi Interface NMEA over IP (TCP, UDP) Open Skipper (N2k Datagram) Quark-elec PilotTech - AIS Pilot Plug WiFi PredictWind DataHub Sailor Hat WiFi Gateway SailTimer Air Link™ ShipModul: MiniPlex-2Wi, MiniPlex-3Wi(-N2K) SignalK Vesper: Cortex, XB 8000, Watch Mate Vision vYacht Yacht Devices YDWG-02 (N2k) Yakker ∙ Bluetooth: Calypso: ULTRASONIC, CUPS 4.0 & NMEA CONNECT 4.0 OpenWind RaceBox Skywatch BL 500/1000 ∙ Internal: Core Location (iOS GPS) iOS Barometer ∙ Misc: LogFile Simulation String NOT Supported Devices: ∙ Garmin GNT 10 & chartplotters ∙ Raymarine WiFi devices (these companies are not interested in collaborations and still keeping their systems secret - vendor lock)
VMH Flex Marine
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THE VMH FLEX Tiny device / endless possibilities Small but powerful, the VMH Flex is the perfect compromise to display a large amount of boat data in a compact device. No matter if you are wearing gloves or if it is raining on your deck, the innovative laser touch button allows you to scroll up to 5 different screens. Every screen can be freely customized with your most important information, and the setup – including alarms – is easily done with your smartphone just with a »tap«. Capable of reading from both sensors and CAN the VMH Flex is further empowered by the LIN connectivity to get all the information from your battery thanks to the Intelligent Battery Sensor.
Screenshots
Verdict
The clearest difference is price: VMH Flex Marine at Free against NMEAconnect's $3.99. NMEAconnect's advantage is iOS requirement (12.0 vs 15.0). On update cadence, 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
VMH Flex Marine is free to download; NMEAconnect costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
NMEAconnect ships an update every 5 months, VMH Flex Marine every 3 months. The most recent releases landed on September 21, 2026 and September 12, 2026 respectively.
| Parameter | NMEAconnect | VMH Flex Marine |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 4.7 (3 ratings) — better | — |
| Positive reviews | 85.7% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 5 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 3 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | zapfware | Veratron AG |
In-app purchases
NMEAconnect
No in-app purchases
VMH Flex Marine
No in-app purchases
Questions
Is NMEAconnect free?
Is VMH Flex Marine free?
Do NMEAconnect or VMH Flex Marine have ads?
Which is updated more often, NMEAconnect or VMH Flex Marine?
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