Comparison

RealEngineSim vs Wrumer

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

Wrumer

This app enhances your driving experience by playing custom engine sounds through your car's speakers. It connects to your vehicle's computer to sync audio with your RPM and throttle. Choose from various engine sounds and effects for a personalized auditory journey.

Highlights
  • Connects to car's internal computer
  • Plays enhanced engine sounds
  • Syncs audio with RPM and throttle
  • Multiple engine sound options
  • Includes Turbo Whistle and Backfires effects
Read full description

Wrumer connects* to your car's internal computer and its speakers. It reads the car's RPM speed and throttle application and based on that plays an enhanced engine sound through your car's speakers. You can choose between multiple car engine sounds and effects, such as a Turbo Whistle and Backfires. *For the app to connect you also need the Wrumer device. You can get the Wrumer device at https://wrumersound.com.

Screenshots

RealEngineSim4 screens
Wrumer4 screens

Verdict

The call

The clearest difference is review sentiment: RealEngineSim at 72% against Wrumer's 20%. RealEngineSim also leads on rating (3.8 vs 2.3) and update cadence (weekly vs monthly). Wrumer's advantage is in-app purchases (none vs 3). On price, ads and device support 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. Wrumer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

RealEngineSim holds the better App Store score, 3.8 against 2.3. That said, the two scores are not equally well evidenced: RealEngineSim has 83 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 72% of RealEngineSim's written reviews are positive against 20% of Wrumer's.

UpkeepUpdate frequency

RealEngineSim ships an update weekly, Wrumer monthly. Both last shipped on October 21, 2026.

Scorecard7 real differences · 3 level
RealEngineSim versus Wrumer: the parameters behind the verdict, then further details
ParameterRealEngineSimWrumer
PriceFreeFree
Rating3.8 (83 ratings) — better2.3 (7 ratings)
Positive reviews72.2% of reviews — better20.0% of reviews
Number of ratings83 — better7
Update frequencyWeekly — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS8.0 — better12.0
Further details — not scored
Size52 MB28 MB
Age rating4+4+
DeveloperSOUND DESIGN LAB LLCJure Sotosek

Customer experience

RealEngineSim

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

Wrumer

All ratings5 ratings
Positive20.0%
Neutral0.0%
Negative80.0%
Written reviews10 reviews
Positive20.0%
Neutral10.0%
Negative70.0%

In-app purchases

3 purchases

RealEngineSim

One-time3
  • Game 2 Pack$0.99
  • Vehicle 4 Pack$0.99
  • Vehicle 4 Pack2$0.99
None

Wrumer

No in-app purchases

Questions

Is RealEngineSim free?
RealEngineSim is free to download, with in-app purchases available.
Is Wrumer free?
Wrumer is free to download, with no in-app purchases.
Which has better reviews, RealEngineSim or Wrumer?
RealEngineSim is rated higher. RealEngineSim averages 3.8 out of 5 from 83 ratings, while Wrumer averages 2.3 from 7 ratings.
Do RealEngineSim or Wrumer have ads?
Neither RealEngineSim nor Wrumer shows ads.
Which is updated more often, RealEngineSim or Wrumer?
RealEngineSim ships an update weekly, and Wrumer monthly. Most recently, RealEngineSim was updated on October 21, 2026 and Wrumer on October 21, 2026.

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