Comparison

RealEngineSim vs Wroom

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

Head to head
About

RealEngineSim

Experience the realistic engine sounds of cars and motorcycles with this simulation game. Control manual transmission vehicles with precise speed, acceleration, and braking. Features two driving modes for varied gameplay.

Highlights
  • Realistic engine sound synthesis
  • Manual transmission control
  • Speed control and tracing modes
  • Life-like tire slippage
  • Passenger cars, sports cars, and motorcycles
Read full description

RealEngineSim is a simulation game that you can enjoy the real engine sound of cars and motorcycles made by the innovative engine sound synthesis technology. RealEngineSim uses technology completed through years of research by engine sound professionals in Hamamatsu, a region known as a home to the world’s automobile and motorcycle manufacturers. Using this technology, we have created the world’s only iPhone app able to regenerate real engine sounds. ○This app is a simulation game in which you can enjoy the speed control and the innovative engine sound of manual mission vehicles. ○The use of a speaker gives you even more realistic and muscular sound. However, we would ask you to enjoy this app with an earphone or a headset when using it in public places. (* Please be extra careful of the volume in order not to either hurt your hearing or trouble people around you.) ◆ Available vehicles ◆ Four types: passenger cars, sports cars, sports motorcycles, and racing cars. You can also enjoy controlling the acceleration, braking, clutch, and shifting of manual transmission vehicles (Auto-Clutch available). *There are eight additional engine sounds available for in-app purchase. ◆ Pursuing realistic engine sound ◆ Precise vehicle models and innovative engine sound synthesizers were used to achieve real engine behavior and powerful engine sound that cannot be experienced through other racing games. Features life-like tire slippage caused by sudden acceleration and braking. ◆ The Driving Mode ◆ There are two modes: free driving and speed tracing Speed tracing is a game in which the object is to drive at a specific target speed. Expert mode features the racing speed data from racing cards driving on famous courses from around the world, giving you the chance to experience the excitement of racing on real courses. * The game modes, such as the chicken race, are available for in-app purchase. * The new technology of engine sound synthesis used in this app was developed by an engineer, who started his own business after a long time research on the sound at Yamaha Motor Co.,Ltd. (motorcycle manufacturer). The patent application is now in preparation. ◇For information and inquiries on our engine sound The engine sound synthesis technology used for this app is available for use in a variety of medias such as games, movies, and so on. Please feel free to contact us for more details. Sound Design Lab LLC. Email: maedao@sound-design-lab.com Website: http://www.sound-design-lab.com/ ◎The Profile of The Producer Name: Osamu Maeda (Resides in Iwata city, Shizuoka Pref.) Career: April 1974 to Sept.2007 Worked for Yamaha Motor Co.,Ltd. There he was in charge of the research on the engine sound. Oct. 2007 (to the present) Founded the Sound Design Lab LLC. ◇For inquiries on the middleware The middleware to play the engine sound is available for mobile devices such as iOS. For more information, please contact at the following address. CAI Media Co.,Ltd. Email:info@smocca.co.jp Website: http://www.smocca.co.jp/iphone/Realenginesim.html *This product uses fonts from Fontworks Japan Co., Ltd. The Fontworks Japan company name, Fontworks, and font names are trademarks or registered trademarks of Fontworks Japan Co., Ltd.

About

Wroom

Transform your ride into a thrilling experience with realistic engine sounds. This app uses your device's GPS and accelerometer to dynamically adjust the engine noise based on your speed and pedaling, even simulating gear changes for added immersion.

Highlights
  • Dynamic engine sound based on speed
  • GPS and accelerometer integration
  • Simulated gear changes
  • Realistic sports car and motorcycle sounds
  • Enhances riding and driving fun
Read full description

Is your ride too quiet and want to make it more fun? Wroom makes your bike, e-scooter, or car sound like a real sports car or motorcycle like never before! Wroom uses the GPS and accelerometer on your phone to determine how fast you are moving and pedaling and changes the engine sound accordingly. It even simulates gear changes for ultimate realism.

Screenshots

RealEngineSim4 screens
Wroom4 screens

Verdict

The call

The clearest difference is rating: Wroom at 4.3 against RealEngineSim's 3.8. RealEngineSim's advantage is update cadence (weekly vs every 17 months) and ratings volume (83 vs 17). On price, review sentiment, ads and in-app purchases 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

Both are free to download. RealEngineSim sells 3 one-off in-app purchases and Wroom sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Wroom holds the better App Store score, 4.3 against 3.8. Both are backed by a comparable volume of ratings — 83 and 17 respectively. Written reviews complicate that: 72% of RealEngineSim's written reviews are positive against 69% of Wroom's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

RealEngineSim ships an update weekly, Wroom every 17 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
RealEngineSim versus Wroom: the parameters behind the verdict, then further details
ParameterRealEngineSimWroom
PriceFreeFree
Rating3.8 (83 ratings)4.3 (17 ratings) — better
Positive reviews72.2% of reviews — better69.2% of reviews
Number of ratings83 — better17
Update frequencyWeekly — betterEvery 17 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS8.0 — better12.0
Further details — not scored
Size52 MB57 MB
Age rating4+4+
DeveloperSOUND DESIGN LAB LLCFiresoft Oy

Customer experience

RealEngineSim

All ratings73 ratings
Positive69.9%
Neutral5.5%
Negative24.7%
Written reviews72 reviews
Positive72.2%
Neutral11.1%
Negative16.7%

Wroom

All ratings15 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews13 reviews
Positive69.2%
Neutral7.7%
Negative23.1%

In-app purchases

3 purchases

RealEngineSim

One-time3
  • Game 2 Pack$0.99
  • Vehicle 4 Pack$0.99
  • Vehicle 4 Pack2$0.99
9 purchases

Wroom

One-time9
  • 2.0L I4$1.99
  • 3.0L I6$1.99
  • 5.2L V8$1.99
Show 6 more
  • 6.0L V12$1.99
  • 1000cc$1.99
  • EV$1.99
  • 5.2L V10$1.99
  • 1360cc$1.99
  • All Sounds Bundle$9.99

Questions

Is RealEngineSim free?
RealEngineSim is free to download, with in-app purchases available.
Is Wroom free?
Wroom is free to download, with in-app purchases available.
Which has better reviews, RealEngineSim or Wroom?
Wroom is rated higher. RealEngineSim averages 3.8 out of 5 from 83 ratings, while Wroom averages 4.3 from 17 ratings.
Do RealEngineSim or Wroom have ads?
Neither RealEngineSim nor Wroom shows ads.
Which is updated more often, RealEngineSim or Wroom?
RealEngineSim ships an update weekly, and Wroom every 17 months. Most recently, RealEngineSim was updated on November 1, 2026 and Wroom on November 3, 2026.

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