GEO5 Data Collector vs sTEM controller
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GEO5 Data Collector
This application facilitates geological survey data collection in the field. It allows users to input data, utilize maps and GPS, and attach multimedia recordings. Data can be organized using standard or custom templates for any survey type.
- Field data input
- Map and GPS integration
- Photo, video, and audio recording
- Standard and custom data templates
- Borehole logging support
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Application is used for geological survey data collection (borehole logging). The program GEO5 Stratigraphy is necessary for data transfer between PC and mobile. The App allows inputting data in the field, using maps and GPS, and adding photos, videos or audio recordings. The App allows to input data according to standard or user-defined templates, so any type of data can be defined.
sTEM controller
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Introducing sTEM Controller - Your Ultimate Transient Electromagnetic System Companion! Take full charge of the cutting-edge Transient Electromagnetic (sTEM) system with our user-friendly and intuitive iOS app. sTEM Controller empowers you to harness the potential of this advanced technology right at your fingertips, making it easier than ever to record Transient Electromagnetic soundings with ultimate ease on your iPhone or iPad . Key Features: Effortless Operation: Seamlessly interact with the sTEM system through our app's streamlined and user-friendly interface. Whether you're a seasoned professional or a non-expert, sTEM controller simplifies the complexities, ensuring a smooth and enjoyable experience for all users. Real-time Data Monitoring: Stay informed with live data visualization as the sTEM system performs its scans. Monitor TEM data in real-time, allowing you to make crucial decisions on the go and optimize your survey results. Smart Connectivity: Connect effortlessly with the sTEM system through wireless technology. Say goodbye to tangled cables and experience the freedom of seamless, wire-free communication.
Screenshots
Verdict
The clearest difference is iOS requirement: sTEM controller at 13.0 against GEO5 Data Collector's 17.0. On price, update cadence, 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.
GEO5 Data Collector ships an update every 3 months, sTEM controller every 5 months. The most recent releases landed on September 23, 2026 and October 12, 2026 respectively.
| Parameter | GEO5 Data Collector | sTEM controller |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 52 MB | 31 MB |
| Age rating | 4+ | 17+ |
| Developer | FINE spol. s r.o. | Temcompany ApS |
In-app purchases
GEO5 Data Collector
No in-app purchases
sTEM controller
No in-app purchases
Questions
Is GEO5 Data Collector free?
Is sTEM controller free?
Do GEO5 Data Collector or sTEM controller have ads?
Which is updated more often, GEO5 Data Collector or sTEM controller?
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