CDL Prep Test 2026

62 of 100 · reviews
4.9of 5 · store
14,998ratings on the App Store
273reviews read

An editorial reading of the saved reviews

A free trainer covering the whole CDL spectrum including endorsements, and many pass GK and doubles/triples on it first try. But overlap with the real exam swings by state and is thin on HAZMAT, with some answers not matching the DMV booklet. Explanations are scarce and question grammar is often clumsy.

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What people use it for

People stacking several CDL endorsements who want a free run through the base before the exam. For safety pair it with the official booklet and double-check disputed answers.

What reviews praise

Free and covers the full CDL set at once: general knowledge, air brakes, doubles/triples, tanker, hazmat.
Good for warming up and reviewing before the exam, many pass GK first try.

What reviews complain about

Overlap with the real state test is weak and inconsistent, especially on HAZMAT.
There are wrong answers, lots of grammar slips, and questions that read like machine translation.
Ads pop every 5-10 questions and are easy to mis-tap.

What users experience

3 excerpts from the breakdown. These are individual cases, not a verdict on all users.

AI generated with lots of mistakes... Gives me multiple Texas specific questions when I had Mississippi selected. No idea why this app is so highly rated.

Live in South Carolina, downloaded this for HAZMAT, learned all 119 questions just for only 8 out of the 30 at the DMV to be on this app.

Used this app to study and pass the GK, doubles- triples, and tanker. Currently studying for hazmat. Really good to practice and pre test .