LRTK vs HELLO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LRTK
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Easily Handle High-Accuracy Survey Data on Your Smartphone This is the dedicated app for the "LRTK" centimeter-level GNSS device (*1). By connecting to the LRTK receiver and configuring Network RTK (NtripClient), you can achieve centimeter-level positioning accuracy. Through integration with the LRTK Cloud (*2), captured location data can be instantly synced and viewed via a web browser. Key Features & Use Cases: • Easy access to high-accuracy surveying. • Instantly share field survey data with office PCs. • Manage location data alongside site photos. • Easily acquire point cloud data. Note on Altitude Calculation: To obtain JGD2011 (Japan Geodetic Datum 2011) altitude, this app utilizes the calculation API provided by the Geospatial Information Authority of Japan (*3). (*1) https://www.lefixea.com/lrtk (*2) https://lconstruction.lefixea.jp/ (*3) https://vldb.gsi.go.jp/sokuchi/surveycalc/api_help.html
HELLO
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Displays information related to operations and traveling of the electric rough terrain crane to support the operator. In the “Battery information”, it timely displays the “battery level”, “cruising range”, and “time until fully charged”. In the “Operating history”, it displays work records and travel history, including operating hours, distance traveled, and energy consumption. In the “Map”, it displays the “approximate distance to the destination” by setting a destination
Screenshots
Verdict
The clearest difference is update cadence: LRTK at weekly against HELLO's every 6 months. LRTK also leads on device support. HELLO's advantage is iOS requirement (13.0 vs 17.0). On price 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.
LRTK ships an update weekly, HELLO every 6 months. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.
| Parameter | LRTK | HELLO |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly — better | Every 6 months |
| Ads | No | — |
| In-app purchases | No | No |
| Devices | iPhone, iPad — better | — |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 730 MB | 52 MB |
| Age rating | 4+ | 17+ |
| Developer | レフィクシア株式会社 | TADANO Ltd. |
In-app purchases
LRTK
No in-app purchases
HELLO
No in-app purchases








