Comparison

Trans4motor vs Steam Engines

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Trans4motor

Explore the mechanics of 4-stroke engines with this interactive simulator. Visualize the transformation of various engine types and understand their internal workings through detailed CG animation. Enhance your knowledge with adjustable settings and realistic engine sound options.

Highlights
  • Multi-cylinder engine transformation
  • Realistic engine sound (in-app purchase)
  • Accelerator control simulation
  • Expandable engine library
  • Custom engine registration and editing
  • Interactive educational videos
Read full description

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.

About

Steam Engines

Features
Currently charting
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Steam Engine Simulator is a teaching game about how a steam engine actually works. You build one part by part — boiler, cylinder, flywheel, slide valve, governor — and then you drive it. BUILD IT, THEN RUN IT A 20-level campaign begins with nothing but a fire and a pressure gauge and ends with compound expansion. Every level adds one real component and one real idea, in the order an engineer would meet them. NOTHING IS SCRIPTED The flywheel carries real rotational inertia. The crank-slider is a solved constraint system. The engine genuinely stalls on dead center when the ports close, so you bar it over by hand and learn to time the steam yourself. No cutscenes, no fake gauges — the machine does what the machine does. SEE INSIDE THE MACHINE A cutaway panel shows the slide valve and piston moving in step with the running engine, driven by the same numbers that produce the forces you feel on the flywheel. A HISTORY OF STEAM The back third of the campaign is the story of the real machines: Hero's aeolipile from 50 AD, Newcomen's atmospheric engine, Watt's separate condenser and flyball governor, and Stephenson's Rocket. BUILT FOR MUSEUM USE Every goal is something you make happen rather than a timer to beat or a control to hold steady, so a first-time visitor of any age can finish any level and walk away having built something. MADE FOR TOUCH Playable entirely by touch, with finger-sized controls along the workshop floor and genuine multi-touch, so you can stoke the fire and work the regulator at the same time.

Screenshots

Trans4motor4 screens
Steam Engines4 screens

Verdict

The call

The clearest difference is rating: Steam Engines at 5.0 against Trans4motor's 3.7. Steam Engines also leads on in-app purchases (none vs 1) and chart position (#193 vs unranked). Trans4motor's advantage is ratings volume (70 vs 1). On ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Trans4motor costs $2.99 and Steam Engines $0.99 up front. Trans4motor sells 1 one-off in-app purchase. Steam Engines asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Steam Engines holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Trans4motor has 70 ratings behind it against 1, so its average is the more settled of the two.

Scorecard5 real differences · 6 level
Trans4motor versus Steam Engines: the parameters behind the verdict, then further details
ParameterTrans4motorSteam Engines
Price$2.99$0.99 — better
Rating3.7 (70 ratings)5.0 (1 ratings) — better
Positive reviews56.1% of reviews—
Number of ratings70 — better1
Update frequencyEvery 2 months—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
Best chart rank—#193 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size24 MB25 MB
Age rating4+4+
DeveloperKitt Peak, Inc.Peter Benner

In-app purchases

1 purchases

Trans4motor

One-time1
  • Add Engine Sound$1.99
None

Steam Engines

No in-app purchases

Questions

Is Trans4motor free?
Trans4motor costs $2.99, and also offers in-app purchases.
Is Steam Engines free?
Steam Engines costs $0.99, with no in-app purchases.
Which has better reviews, Trans4motor or Steam Engines?
Steam Engines is rated higher. Trans4motor averages 3.7 out of 5 from 70 ratings, while Steam Engines averages 5.0 from 1 ratings.
Do Trans4motor or Steam Engines have ads?
Neither Trans4motor nor Steam Engines shows ads.

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