Closed Android beta

Help build a better workshop app.

We are inviting engine builders, machinists, mechanics, performance workshops and experienced enthusiasts to test Engine Builder Pro on Android and provide honest, practical feedback.

What beta testers will do

Use an Android phone with a Google Play account.
Remain opted into the closed test for at least 14 days.
Try job sheets, workshop calculations and backup tools.
Report bugs, confusing steps and useful improvements.

Apply to join the test

Beta access is free. We will use these details only to assess your application, invite you through Google Play and communicate about testing.

Please use the Google Account email currently signed into the Play Store on your Android phone.

Company website

Preferred name *

Google Play email * This must be a Google Account used on your phone.

Country *

Android phone make and model *

Your main role *

Engine-building experience *

What would you be comfortable testing?

Job sheets and build photos Compression and general calculators Valvetrain and piston-to-valve tools Camshaft degreeing Piston ring end gaps Carburettor and cylinder-head tools Backup, restore and PDF export General usability

Anything else we should know? Optional

I am 18 or older, have an Android phone and can remain opted into the closed test for at least 14 days. * I agree that Engine Builder Pro may use the information I submit to manage the beta test and contact me with testing instructions. I have read the Privacy Policy. *

Fields marked * are required.

Application received

Thank you for volunteering to test Engine Builder Pro.

If selected, we will send the Google Play opt-in link and testing instructions to the email address you supplied.