Emoncms vs Planet Devices
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Emoncms
This application allows users to view energy, temperature, and environmental data dashboards from Emoncms servers. It is an open-source tool designed for processing, logging, and visualizing environmental information.
- View Emoncms dashboards
- Supports MyElectric dashboards
- Connects to emoncms.org
- Connects to custom Emoncms servers
- Open-source application
- Visualizes energy data
- Visualizes environmental data
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Open-source Emoncms dashboard viewer. View MyElectric Emoncms dashboards from http://emoncms.org or any other Emoncms server. Emoncms is an open-source web application for processing, logging and visualising energy, temperature and other environmental data developed as part of the http://openenergymonitor.org project. OpenEnergyMonitor is a project to develop open-source energy monitoring tools to help us relate to our use of energy, our energy systems and the challenge of sustainable energy. https://github.com/emoncms/emoncms-ios For support or to get involved with development please post on the forum: https://community.openenergymonitor.org/c/emoncms/mobile-app
Planet Devices
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The PlanetDevices app is designed to make onboarding your devices quick and easy.
Screenshots
Verdict
The clearest difference is update cadence: Planet Devices at every 2 months against Emoncms's every 17 months. Emoncms's advantage is iOS requirement (13.0 vs 15.6). 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.
Emoncms ships an update every 17 months, Planet Devices every 2 months. The most recent releases landed on September 27, 2026 and October 10, 2026 respectively.
| Parameter | Emoncms | Planet Devices |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (5 ratings) — better | — |
| Positive reviews | 55.6% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 17 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 36 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Megni | Planet Devices |
In-app purchases
Emoncms
No in-app purchases
Planet Devices
No in-app purchases
