Comparison

tTEM controller vs FO Maps

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

tTEM controller

Features
Read full description

The tTEM Controller is an app designed to operate and manage the ttem geoscanner instrument developed and sold by TEMcompany, specifically for the ttem2.0 model. This app allows users to initiate measurements, display real-time location, and provide GPS tracking on either OpenStreetMap or a custom background map provided by the user.

About

FO Maps

This app provides offline GIS capabilities for professionals in fields like mining, construction, and agriculture. It allows for importing plans, creating markers with photos, and collaborating with teams, all without an internet connection.

Highlights
  • Offline map and plan import (GeoPDF, KML, KMZ)
  • GPS markers with custom templates and geotagged photos
  • Team collaboration with offline project sharing
  • Vector drawing tools (lines, polygons, routes)
  • Data export to KML/KMZ, CSV, and PDF reports
  • Offline weather forecasts and alerts (Pro feature)
Features
Read full description

FO Maps turns your phone into a field GIS that works without a single bar of signal. Load the georeferenced maps you already have and work on top of them: drop points, draw polygons, measure distances and areas, record your track, and export everything once you are back online. Nothing leaves your phone unless you want it to. MAPS YOU ALREADY HAVE · GeoPDF from QGIS, ArcGIS, Global Mapper and the USGS US Topo series · MBTiles and georeferenced images · Several maps per project, with adjustable opacity · Generate a GeoPDF from the app to share ON THE MAP · Instrument panel: compass, bearing, coordinates, altitude and scale bar · Four GPS modes, from center-only to follow with compass · Markers with your own templates, multiple photos, and GPS or manual coordinates · Polygon and polyline drawing three ways: crosshair, freehand and GPS track · Layers with visibility, color and icon · Distance and area measurement TRACKS · Record your track with altitude at every point · Take photos with notes as you walk: each one is pinned to that exact moment · Play the track back on the map, pausing at every photo · Export it as a vertical video to share GETTING DATA OUT · KML and KMZ with embedded photos, layers as folders and each point's real icon · GPX with per-point timestamps · PDF reports of the map with its markers · Google Sheets, synced automatically · Backup to your own Google Drive · Save any export straight to your phone TEAMS · Channels: your crew joins with a code, no accounts to create · Publish projects and follow the activity wall · Sync across your own devices MAPS AND WEATHER · Downloadable OpenStreetMap base map for use with no signal, up to 100 km · Hillshade and topographic styles · 9-day forecast and alerts for heat, cold, rain, snow, wind and UV · Discover: a catalog of maps published by organizations, free and without an account 17 languages, including right-to-left support. PLANS Free: maps, drawing, markers and export, with ads. Explorer: hillshade and topographic styles, offline base map, weather, no ads. Pro: everything above plus sync, channels and team collaboration. Built with real crews: forestry roads, wildlife surveys, land surveys, and installations where there is no signal. Support: contacto@faenaoffline.com Web: https://faenaoffline.com/maps/ --- Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://faenaoffline.com/privacy/

Screenshots

tTEM controller3 screens
FO Maps4 screens

Verdict

The call

The clearest difference is in-app purchases: tTEM controller at none against FO Maps's 2. tTEM controller also leads on ads (none vs shown). FO Maps's advantage is update cadence (every 5 days vs every 6 months). On price, device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. FO Maps sells 2 in-app purchases, starting at $2.99 per month. tTEM controller asks for nothing beyond the download.

UpkeepUpdate frequency

tTEM controller ships an update every 6 months, FO Maps every 5 days. Both last shipped on October 24, 2026.

Scorecard3 real differences · 7 level
tTEM controller versus FO Maps: the parameters behind the verdict, then further details
ParametertTEM controllerFO Maps
PriceFreeFree
Rating—4.8 (4 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—4 — better
Update frequencyEvery 6 monthsEvery 5 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Ad-supported
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size29 MB129 MB
Age rating17+4+
DeveloperTemcompany ApSjuan carlo abuin pampaloni

In-app purchases

None

tTEM controller

No in-app purchases

2 purchases

FO Maps

Subscriptions2
  • FO Maps Pro Monthly$2.991 Month
  • FO Maps Pro Annual14 Days trial$14.991 Year

Questions

Is tTEM controller free?
tTEM controller is free to download, with no in-app purchases.
Is FO Maps free?
FO Maps is free to download, with in-app purchases available.
Do tTEM controller or FO Maps have ads?
FO Maps shows ads; tTEM controller does not.
Which is updated more often, tTEM controller or FO Maps?
tTEM controller ships an update every 6 months, and FO Maps every 5 days. Most recently, tTEM controller was updated on October 24, 2026 and FO Maps on October 24, 2026.

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