Technical Union · Ackfield
Ackfield-Send for Android
Free companion app for field workers. Pair once with Ackfield-Receive on your office PC, enter MQTT credentials from the Users tab, and send entries that appear on the office dashboard.
Before you start
- Ackfield-Receive installed and licensed on the office PC (Windows)
- Office PC and phone on the same office Wi‑Fi (not guest Wi‑Fi)
- MQTT username/password from Ackfield-Receive → Users
- Pairing code from Ackfield-Receive → Connection
Install on the phone
- Download — Tap Download APK above. Use only this official key.tu.biz page — not third-party mirrors.
- Allow install — If Android asks, allow your browser to install unknown apps for this download.
- Open Ackfield-Send — Accept the EULA on first launch.
- Pair with the office — Settings → enter office PC address, phone name, and pairing code → Connect & sync broker.
- MQTT credentials — Enter the MQTT username and password from Ackfield-Receive → Users, then Save and use this profile.
- Send entries — Home tab → choose the office form → fill fields → Submit. Entries save on the office dashboard.
Security note
Ackfield-Send is designed for your licensed Ackfield-Receive office server. Do not use repackaged APKs. Package name: com.tu.ackfieldsend.