Comparison

RevHeadz Engine Sounds vs Nature Sounds!

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

Head to head
About

RevHeadz Engine Sounds

Experience realistic car and motorcycle engine sounds with interactive controls for gears, brakes, and acceleration. Connect to sound systems for an immersive audio experience. Supports OBD2 connectivity for real-time driving simulation.

Highlights
  • Realistic engine sound simulation
  • Interactive gear, brake, and accelerator controls
  • OBD2 connectivity for real-time driving
  • Vast library of car and bike engines
  • Connect to external sound systems
  • Detailed mechanical parameter simulation
Features
Read full description

State-of-the-art engine sound application, accurately simulating a huge range of car and bike engines from off-road to grand prix and everything in-between. RevHeadz puts you in control of gear-shifts, brakes, and accelerator speed, incorporating sonic models of real engine sounds with real-world mechanical physical parameters including speedometer, tachometer, accelerator, brake, drive ratios, drive lashing, engine load, gear-shifts and backfire logic. To experience the real scope of RevHeadz, simply connect your device to a home or car sound system and take control of the best sounding engines ever created. OBD2 FEATURE You can experience RevHeadz Engine Sounds while driving your car using OBD-II (On-Board Diagnostics / OBD2) communication. *Requires an OBD-II compliant vehicle that reports RPM or Speed and an ELM / OBD-II Wifi adapter or Bluetooth adapter certified to work with iOS. Free Pack Includes: - 6.0L V12 Italian Supercar - 1000cc V4 Japanese Sports Bike - 4.7L V8 American Classic Muscle Car - 1.3L RX Rotary - 100cc Chainsaw - 1800cc V-Twin Cruiser - NIS 350Z V8 Super GT - AM V12 GT3 - FER 458 GT3 Modern American Muscle Pack Includes: - Hellcat - Mustang GT500 - Camaro ZL1 Classic V8 Sports Car Pack Includes: - Cobra - GT40 - Pantera - Stingray Classic American Muscle Pack Includes: - Camaro - Charger - Mustang - Viper GT Pack 1 Includes: - AUD R8 LMS GT3 - CHEV CAM GT3 - POR 997 GT3 R - BENT CONT GT3 GT Pack 2 Includes: - BMW Z4 GT3 - MERC AMG GT3 - FRD GT LM GT3 - FER FXX K GT Pack 3 Includes: - MCLN 12C GT3 - NIS GT-R GT3 - CHEV COR C7.R - FER 488 GT3 Import Pack Includes: - 4.8L V10 LF-Nurb Onboard Sound - 4.8L V10 LF-Nurb Exhaust Sound - 2.0L 4-Boxer 86 Tuned - 3.5L V6 Trophy Historic Grand Prix Pack Includes: - 3.0L Flat-12 1978 Italian Classic - 3.0 V8 1976 World Champion - 1.5L V6-T 1988 World Champion Modern Grand Prix Pack Includes: - 1.6L V6 Turbo Hybrid - 2.4L V8 2013 Onboard Sound - 2.4L V8 2013 Exhaust Sound - 3.0L V10 2004 World Champion Off Road Pack Includes: - 2.0L Flat-4T Rallycar - 450cc 4-Stroke Quad Bike - 250cc 2-Stroke Dirt Bike Race Car Pack Includes: - 5.8L V8 American Stockcar - 5.5L V10 TDI German LMP - 3.6L Flat-6 German GT3 Street Tuner Pack Includes: - 3.7L V6 Z-Car - 1.6L Inline-4 86 Classic - 2.0L Triple Rotor Drift Street Bike Pack Includes: - 1200cc V-Twin American Chopper - 1200cc V-Twin Italian Sports Bike - 1050cc Triple British Sports Bike Supercar Pack Includes: - 5.2L V10 Italian Supercar - 4.5L V8 Italian Supercar - 3.2L V6 Japanese Supercar V8 Thunder Pack Includes: - 6.2L V8 Caddy Racecar - 5.0L V8 Australian Racecar - 11.5L V8 Monster Truck

About

Nature Sounds!

Features
Read full description

Want to relax for 10 minutes during the day at home or in office? Want to improve brain work? Or may be want to dream about beautiful nature landscapes? Increase concentration? Then choose from a list of different good quality nature relaxing sounds (sounds of nature) which include thunder, ocean sounds, sea, birds sounds, rain, night in jungle, water sounds, waterfall, nature and start your personal audio therapy. Full relaxation for you and your family. Try our free app "Forest Sounds" and start sleep better. No music, only sounds of nature! "Nature Sounds" SUBSCRIPTIONS: -Your subscription will grant you unlimited access to all audio stories for the duration of your subscription. -Prices are $1.99 weekly, $5.99 monthly, and $19.99 yearly -Payment will be charged to iTunes Account at confirmation of purchase -Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period -Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal -Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase -Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable -By using this app, you agree to our Terms of Use and Privacy Policy: https://vilendoo.com/Privacy-Policy/ and https://vilendoo.com/Terms-of-Use/ *Prices are equal to the value that "Apple's App Store Matrix" determines is the equivalent subscription price in $USD.

Screenshots

RevHeadz Engine Sounds4 screens
Nature Sounds!4 screens

Verdict

The call

RevHeadz Engine Sounds and Nature Sounds! are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. RevHeadz Engine Sounds sells 10 one-off in-app purchases and Nature Sounds! sells 4 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

RevHeadz Engine Sounds ships an update every 3 months, Nature Sounds! every 4 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

ScorecardNo meaningful differences
RevHeadz Engine Sounds versus Nature Sounds!: the parameters behind the verdict, then further details
ParameterRevHeadz Engine SoundsNature Sounds!
PriceFreeFree
Rating4.3 (1.4K ratings) — better—
Positive reviews68.8% of reviews—
Number of ratings1.4K — better—
Update frequencyEvery 3 months — betterEvery 4 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size201 MB9 MB
Age rating4+4+
DeveloperD.S LONG & SOUNDWAVE CONCEPTS PTY. LTD. & C.G WISEAndrei Aksiutsich

Bugs and requests

RevHeadz Engine Sounds

Reported bugs

4 issues
  • Inconsistent RPM/speed detection
  • Delayed or unresponsive engine sounds
  • Compatibility issues on certain devices
  • Startup/shutdown sound not working in OBD2 mode

Requested features

9 requests
  • Add more free car sounds
  • Include diesel engine sounds
  • Implement turbo/supercharger sounds
  • Add more JDM and classic car sounds
  • Introduce a clutch/manual gearbox feature
Show 4 more
  • Implement a customization/tuning system
  • Add support for newer/high-performance cars
  • Integrate GPS/speed tracking
  • Implement a multiplayer/competitive mode

Nature Sounds!

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

RevHeadz Engine Sounds

One-time10
  • Historic Grand Prix Pack$0.99
  • Race Car Pack$0.99
  • Super Car Pack$0.99
Show 7 more
  • Street Tuner Pack$0.99
  • Street Bike Pack$0.99
  • Off Road Pack$0.99
  • V8 Thunder Pack$0.99
  • Modern Grand Prix Pack$0.99
  • Import Pack$0.99
  • Classic American Muscle Pack$0.99
4 purchases

Nature Sounds!

Subscriptions3
  • Premium content$1.997 Days
  • Premium content$5.991 Month
  • Premium content$19.991 Year
One-time1
  • Premium content without ads$29.99

Questions

Is RevHeadz Engine Sounds free?
RevHeadz Engine Sounds is free to download, with in-app purchases available.
Is Nature Sounds! free?
Nature Sounds! is free to download, with in-app purchases available.
Do RevHeadz Engine Sounds or Nature Sounds! have ads?
Both RevHeadz Engine Sounds and Nature Sounds! show ads.
Which is updated more often, RevHeadz Engine Sounds or Nature Sounds!?
RevHeadz Engine Sounds ships an update every 3 months, and Nature Sounds! every 4 months. Most recently, RevHeadz Engine Sounds was updated on November 7, 2026 and Nature Sounds! on November 3, 2026.

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