Forest Watcher vs Piperaris Telematics
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Forest Watcher
Access global forest change data and alerts offline. Identify areas for investigation, collect field evidence with customizable forms, and make informed conservation decisions. Share data and manage teams for effective forest monitoring.
- Offline forest change data access
- Designate areas of interest
- Collect field data with forms
- Overlay contextual layers
- Route tracking for investigations
- Share alerts and data
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Forest Watcher is a mobile application designed to bring the dynamic online forest monitoring and alert systems of Global Forest Watch (GFW) offline and into the field. Forest Watcher allows users to easily access GFW’s forest change data on any mobile device, navigate to areas of detected change, and collect information about what they find, regardless of connectivity. This app provides an affordable and easy-to-use solution to quickly identify areas for patrols or field investigations, collect evidence about forest changes from the field, use the data that’s collected to make evidence-based management and conservation decisions, and investigate remote sensing products in the field. Features: * Designate areas of interest to monitor, up to 20,000 sq km * Store various satellite-based forest change data, such as near-real-time deforestation alerts on your mobile device * Overlay contextual layers, such as Protected Areas and Timber Concessions, or upload other custom datasets * Investigate alerts in the field and collect information (including GPS points and photos) through built-in and customizable forms * Review, analyze, and download data collected with the app * Route tracking to investigate a deforestation alert * Share alerts, areas, routes, reports, contextual layers and basemap tiles or all app content at once. * Manage a team and more through the supplementary desktop application at forestwatcher.globalforestwatch.org If you have any issues downloading or using the app, please reference our “how-to” materials. If the issues persist, please contact us at forestwatcher@wri.org. Any other questions or feedback, please contact us at forestwatcher@wri.org. Full terms and conditions can be found at http://www.globalforestwatch.org/terms.
Piperaris Telematics
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Continue tracking from around the world with the free Piperaris Telematics mobile client. The application from Piperaris developers offers basic functionality in a user-friendly mobile interface. - Unit list management. Get all the necessary information on movement and ignition state, data actuality and unit location in real time. - Map mode. Access units, geofences, tracks and event markers on the map with the option to detect your own location. - Tracking mode. Monitor the precise location and parameters received from a particular unit. - Events control. Use extended information on trips, parkings, fuel fillings/thefts, and sensor values to learn chronology, duration and the exact number of events in the “Timeline”. - Notifications management. Receive and view notifications in the app. - Video module. Watch video from an MDVR in real time along with vehicle tracking on the map. Start playback at a specific time. Save the required fragments as video files. Play and delete saved files. - Locator function. Create links and share unit locations. - Commands. Send core commands from “Units” and “Tracking” tabs. - Suitability for smartphones and tablets.
Screenshots
Verdict
The clearest difference is update cadence: Forest Watcher at every 3 months against Piperaris Telematics's every 17 months. Piperaris Telematics's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement 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.
Forest Watcher ships an update every 3 months, Piperaris Telematics every 17 months. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.
| Parameter | Forest Watcher | Piperaris Telematics |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (8 ratings) — better | — |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 3 months — better | Every 17 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 79 MB | 120 MB |
| Age rating | 4+ | 4+ |
| Developer | World Resources Institute | M.T. Piperaris Trading Ltd |
In-app purchases
Forest Watcher
No in-app purchases
Piperaris Telematics
No in-app purchases
Questions
Is Forest Watcher free?
Is Piperaris Telematics free?
Do Forest Watcher or Piperaris Telematics have ads?
Which is updated more often, Forest Watcher or Piperaris Telematics?
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