Trans4motor - Engine Simulator

🇺🇸 United States
Kitt Peak, Inc.  | 
33
ASO score
Text
36/100
Reviews
0/100
Graphic
60/100
Other
0/100
rating
App Rating
3.4
rating
Votes
169
rating
App Age
11y 5m
rating
Last Update
Nov 11, 2021
rating
iAP
$1.99 - 1.99

Compare with Category Top Apps

Metrics
Current App
Category Top Average
Difference
Rating
3.37
4.57
-26%
Number of Ratings (Voted)
169
997.2K
-100%
App Age
11y 4m
8y 0m
+42%
Price
$3
$1
+498%
In-app Purchases Price
$2
$49
-96 %
Update Frequency
1496d
19d
+7 891%
Title Length
30
27
+11%
Subtitle Length
0
28
Description Length
2 738
3 021
-9%
Number of Screenshots
2067
1324
+56 %
Size
0MB
237MB

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Top Dec 08, 2025 Dec 15, 2025
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Ranking Keywords in United States

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Text ASO

Title (
Characters: 30 of 30
)
Trans4motor - Engine Simulator
Subtitle (
Characters: 0 of 30
)
Description (
Characters: 2738 of 4000
)
Trans4motor is a simulator where you can control the movements of single cylinder to 12 cylinder 4 stroke engines on the iPad/iPhone. Recommended to anyone interested in car and motorcycle engines. This is for those who have a relentless love for engines and want to enhance their knowledge. #3 Top Paid iPad App in Japan #5 Top Paid iPhone App in Japan https://www.youtube.com/user/Trans4motor https://www.facebook.com/Trans4motor Features 1) Seamlessly transforms into different type of engines Select from inline to V-type, or other multi-cylinder engines, and watch the running engines transform over continuous CG animation. Enjoy watching the inline engine camshaft separate into two parts as it transforms into the V-type engine and how phase angle modulation between cylinders makes the crankshaft rotate, separate, and combine into many engine formations. 2) Add Engine Sound (In-App Purchase) Developed in technical collaboration with "CAI MEDIA CO.,LTD.", the developer of the iPhone app featuring innovative synthetic engine sound, "RealEngineSim" this new feature will add a variety of realistic engine sounds ranging from different number of cylinders to explosions with unequal intervals and cylinder rest. Engine Sound Add-On is available via In-App Purchase. 3) Accelerator Control Accelerator control is available during engine sound replay. Tilt iPhone to different degrees as if pressing the accelerator pedal. Tilt forward horizontally (as if pressing the accelerator) to activate the accelerator, and erect vertically (as if releasing the accelerator) to deactivate it. Furthermore, you can race the engine by tapping the center of rev counter. 4) Addition/expansion of engines There are currently 22 types of engines registered. Through automatic network updates, continuous expansion is planned. In addition, there are functions installed that allow users to newly register and edit engines. Able to adjust setting for engine bore stroke, firing order, and ignition timing. Easily replicate on the iPad, engines with unequal combustion intervals for two-wheelers, Inline-four crossplane or V5. 5) Interactive Movie ·Four-stroke engines ·Firing Order ·V Angle Recorded 3 controllable presentation videos. The company and product names used within the application are generally registered trademarks or trademarks of the respective companies. The objective of this application is to upload engine specifications disclosed to the public and to learn about general information regarding engines. It does not accurately replicate actual machine measurements and designs. The CG animated engine rotates at one tenth of the actual speed to enable users to learn the structure and to enjoy the visual.}
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Visual ASO

Screenshots

Rating & Reviews

Reviews Overview
🧐 Coming Soon…
Rating
3.4
169 voters

Some Latest Reviews

MiniDayZ2fan
29 Nov, 2025
5
Hi there, I was wondering if you can allow us to have to more rotor configs as 1, 3, 5, 6, and 12 rotors exist, I was also wondering if you could let us have W engines, VR engines, and H engines along with U and X engines, I was also wondering if you could add tuning like turbos, superchargers, intakes, exhausts, and more! if the dev reads this, thanks Please add them cause I wanna see more engines and engine mods :D
アプリが大好きな者
01 Aug, 2025
1
自分でエンジンを作った際に保存するとそのままクラッシュして もともと作っていたものなどの場合はクラッシュすると全て消えるのがとても迷惑です クラッシュどうにかしてください
bombardirmekanik
07 Nov, 2024
5
This game might be the perfect app for car lovers And i would recommend adding a feature where you can make your own engines and modify cylinders Another cool idea is to make the parts look like what they are Like Gasoline engines have Pistons for gas engines and the same for diesel
jiex
18 May, 2024
5
エンジンが回転する様子をあらゆる角度から見ることができます。ピストン、コンロッド、バルブ、点火プラグなどを外すこともできます。メカ好きが妄想の世界に浸れる素晴らしいアプリです。 要望は以下の通りです。 ①ブガッティのW16、BRMのH16などのエンジンも加えてほしい。 ②V型は12気筒までだが、昔のアメ車やチゼータにあったV16も加えてほしい。 ③直列も8気筒を追加してほしい。 ④2ストロークエンジン(単気筒からスクエア4まで)も加えてほしい。 ⑤ディーゼルエンジンも加えてほしい。 ⑥ロータリーはツインローターしかないが、1ローターや3ローターも加えてほしい。 ⑦ホンダのVTEC、BMWのVANOS、日産のVCターボなども加えてほしい。 ---- ⑧エンジン音がどれも大差ないので、もう少しリアルにしてほしい。
fooooooooooo!
30 Jan, 2024
2
普通に見てて面白いが以下の点がイマイチ。 ①、バンク角180°のV型エンジンが作れない この設定のものを作ろうとすると必ず水平対向エンジンになる。バンク角180°のV型エンジンは国鉄のDML30系列など採用実績があるのでこれに関しては確実に実装していただきたい。 ②、ボア径とストロークに上限がある そもそもこのアプリはガソリンエンジンを作ることを目的にしているようなので仕方ないとは思うが、ボア径とストロークに上限があるのは残念。教育目的なら極端に各数値を大きくした時にどうなるかなども見れると良いと考える。 ③、ガソリンエンジン以外が作れない これはあくまで個人的な意見ではあるが、ディーゼルや焼玉といった他のエンジンも作れるといいと思う。直噴だけではなく予燃焼室式や渦流室式などもできるとより楽しさが向上すると思う。 総じて考えるとこのアプリは有料で入れるには割高かなといった印象……
thrfncthbvvn vgnnf
28 Oct, 2023
4
The game is AMAZING but, you need to at least a vw flat 4. Like in the bug, bus, kublewagen ang more. Developers pleas update with Volkswagens soon. Please write back.
timmytuner2011
14 Apr, 2023
5
Could you make an update on this gam where we can actually have a 3D model of the car And Or add these engines and engine sounds: GMC youkon denali Chevrolet Camaro Chevrolet impala SS 2008 and Nissan maxima SV 2011 thank you
justin2Xtreme
25 Apr, 2021
4
I love this app, in fact I’m addicted to it. I just wanted to know how difficult it would be if the sound of the motor could realistically match the rpm for more technical reasons? Thanks!
f57j
23 Apr, 2021
5
The CB 450 engine is depicted incorrectly. It has two valves per cylinder, and uniquely torsion bars for valve springs. Thanks

Other

Additional Information
Rating:
3.37
Voted: 169
App Store Link:
Price: 2.99 $
Website: -
Email: -
Privacy Policy:
Categories: Education, Entertainment
Size: -
iAP: 1.99 - 1.99 $
App Age: 11 years 5 months
Release Date: Jul 29, 2014
Last Update: Nov 11, 2021
Version: 2.3
Version history
2.3
Nov 11, 2021
HONDA NR Oval piston engine supported.
2.2.1
Oct 09, 2021
Ready and optimized for iPad mini 6 (2021).
Version history