Comparison

Trans4motor vs Brittan School District

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

Brittan School District

Features
Read full description

The app includes information for the district and all schools. Filter by the school your child attends to feature information for that school. Key information includes: • Announcements • Contact Details • Staff Directory • Event Calendar Additional resources may be provided by the district or school, such as: • bus routes • board agendas • lunch menus • Aeries & MySchoolBucks login links • sports information • and more App users may opt to receive push notifications with important alerts from the district.

Screenshots

Trans4motor4 screens
Brittan School District4 screens

Verdict

The call

The clearest difference is price: Brittan School District at Free against Trans4motor's $2.99. Brittan School District also leads on in-app purchases (none vs 1). Trans4motor's advantage is update cadence (every 2 months vs every 6 months). 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

Brittan School District is free to download; Trans4motor costs $2.99 up front. Trans4motor sells 1 one-off in-app purchase. Brittan School District asks for nothing beyond the download.

UpkeepUpdate frequency

Trans4motor ships an update every 2 months, Brittan School District every 6 months. The most recent releases landed on October 20, 2026 and October 15, 2026 respectively.

Scorecard3 real differences · 7 level
Trans4motor versus Brittan School District: the parameters behind the verdict, then further details
ParameterTrans4motorBrittan School District
Price$2.99Free — better
Rating3.7 (70 ratings) — better—
Positive reviews56.1% of reviews—
Number of ratings70 — better—
Update frequencyEvery 2 months — betterEvery 6 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size24 MB26 MB
Age rating4+4+
DeveloperKitt Peak, Inc.Catapult K12

In-app purchases

1 purchases

Trans4motor

One-time1
  • Add Engine Sound$1.99
None

Brittan School District

No in-app purchases

Questions

Is Trans4motor free?
Trans4motor costs $2.99, and also offers in-app purchases.
Is Brittan School District free?
Brittan School District is free to download, with no in-app purchases.
Do Trans4motor or Brittan School District have ads?
Neither Trans4motor nor Brittan School District shows ads.
Which is updated more often, Trans4motor or Brittan School District?
Trans4motor ships an update every 2 months, and Brittan School District every 6 months. Most recently, Trans4motor was updated on October 20, 2026 and Brittan School District on October 15, 2026.

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