★★★★★Alison Briggsv1.2049 Oct 2026
great job i love this
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★★★★★vikas shelarv1.2045 Oct 2026
SD gf as g xx s DG u
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CompareOpen in Google Playgreat job i love this
SD gf as g xx s DG u
Great efforts
Absolutely amazing
engine jaman tuichangamkie kidogo
Russian explanation was a welcome touch.
What a fun and entertaining manner to learn. The 3D visuals are really well made to be delightful and informative to watch for children of all ages.
6 people found this helpful
this is nothing all the stuff I knew
very good
the app is good but so much missing information like how the clutch works, and how the ecu works and things that i didnt found out from this app until now. This is junk.
From 237 saved reviews since 18 Sept 2018, all countries.
Share of the 23 negative reviews that mention it
“boring i have to not do anything i have to do look at parts on a car 💀😤😤😤😤😤😤😤😤😤😤😤😤😤😤😤😤”
“It doesn't describe the engine in detail, it should includes clear explanation on the remaining parts like tappet, valve, rocker arm, camshaft etc.”
Share of the 203 positive reviews that mention it
“The animation is very vivid and enough info is conveyed through it to get good understanding of the 4 stroke principals.”
“This way of learning is the best because it's Fun.”
“This is a simple highly detailed exploration of the 4 stroke gasoline (petrol) engine.”
“I think this would be a blessing for anyone wanting to learn about ìnternal combustion engines, or anyone trying to teach the theory.”
“The fact that it's free, and has no adds is mind blowing.”
A drop after an update usually means the update broke something.