SharpenlyApp: Auto

Train every role on the shop floor.

In English and Spanish. Real scenarios. Daily.

Five roles. One app.

Diagnostics, repair procedures, ASE prep.

Customer service, write-ups, estimating.

Tire service, EV-specific load index, alignment basics.

Advanced diagnostics, scan tool interpretation, ADAS.

Vehicle-management decisions, DTCs, sell-vs-repair, estimates.

What does an OBD-II P0420 code typically indicate?

✓ Catalyst system efficiency below threshold (Bank 1)

¿Qué indica generalmente un código OBD-II P0420?

✓ Eficiencia del sistema catalizador por debajo del umbral (Banco 1)

Pick your role and start your daily 5.

Is Sharpenly: Auto free?
Yes. Free to use today, no signup required.
Do I need to install anything?
No. It runs in any modern browser. You can also install it as a PWA on iOS, Android, or desktop.
Does it work offline?
Yes. Once installed, content cached for offline practice.
What languages are supported?
English and Spanish, side by side. Every question and every explanation.
Where does the content come from?
Authoritative sources: repair manuals, NHTSA/EPA documents, ASE prep material, and OEM whitepapers — paired with shop-floor scenarios.
Will there be more roles or industries?
IT and Real Estate verticals are coming. Same product philosophy.
Can my shop use it for staff training?
Yes — share the link with your team and they can practice individually.
How is my data handled?
Progress is stored locally on your device. No personal accounts required.