Comparison

Motorcycle sounds+ vs Scouter Σ

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

Head to head
About

Motorcycle sounds+

Experience the powerful sounds of nearly 100 different motorcycles, from start-up to acceleration. Explore technical data and test your knowledge with an integrated quiz. Enjoy a user-friendly interface with a wide selection of top brands.

Highlights
  • Nearly 100 motorcycle sounds
  • 14 top motorcycle brands
  • Technical data and facts
  • Start-up and acceleration sounds
  • Integrated motorcycle quiz
  • User-friendly design
Features
Read full description

Let the engines of almost 100 different motorcycles roar! Features: * Choose from a collection of 14 top motorcycle brands, including BMW, Ducati, Harley Davidson, and many more. * Technical data and facts for each motorcycle. * Start-up and acceleration sounds. * Integrated quiz to test your motorcycle knowledge. * Use every sound for free. * Designed to be clear and user-friendly. Note: All logos used in this app are copyrighted and/or trademarks of their respective companies. The use of logos in low resolution in this quiz app for identification in an informal context is considered fair use under copyright law.

About

Scouter Σ

Features
Read full description

A real-time object detection and tracking app powered by state-of-the-art edge-AI. Simply point your iPhone's camera to instantly identify "People," "Vehicles," and "Animals," locking onto and counting them automatically on your screen. [Key Features] - Offline Edge-AI Processing: High-speed local processing with zero server dependency. Smooth performance without consuming cellular data. - Sleek Sci-Fi HUD: A futuristic green user interface inspired by tactical target reticles. - Multi-Target Detection: Simultaneously track and automatically count pedestrians, cars, motorcycles, and pets. - Privacy First: Video feeds are never sent to external servers; all data is securely processed entirely on-device. [Feature Unlock Information] * Real-time "People (PER)" detection is always 100% free and unlimited. * "Vehicles (VEH)" and "Animals (ANI)" tracking can be unlocked for the entire day by watching a short video ad in the app. Perfect for checking city congestion, observing traffic flow, or simply immersing yourself in a futuristic cyber HUD experience.

Screenshots

Motorcycle sounds+4 screens
Scouter Σ3 screens

Verdict

The call

The clearest difference is in-app purchases: Scouter Σ at none against Motorcycle sounds+'s 4. Scouter Σ also leads on update cadence (every 9 days vs every 4 months). Motorcycle sounds+'s advantage is iOS requirement (16.6 vs 26.5). 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. Motorcycle sounds+ sells 4 one-off in-app purchases. Scouter Σ asks for nothing beyond the download.

UpkeepUpdate frequency

Motorcycle sounds+ ships an update every 4 months, Scouter Σ every 9 days. The most recent releases landed on October 8, 2026 and September 30, 2026 respectively.

Scorecard3 real differences · 7 level
Motorcycle sounds+ versus Scouter Σ: the parameters behind the verdict, then further details
ParameterMotorcycle sounds+Scouter Σ
PriceFreeFree
Rating4.6 (166 ratings) — better—
Positive reviews62.5% of reviews—
Number of ratings166 — better—
Update frequencyEvery 4 monthsEvery 9 days — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone
Requires iOS16.6 — better26.5
Further details — not scored
Size51 MB23 MB
Age rating4+4+
DeveloperEvo Tec Labs @ Pepperbit OnlineNAOKO UEDA

In-app purchases

4 purchases

Motorcycle sounds+

One-time4
  • 200 Coins$0.99
  • 600 Coins$1.99
  • Remove Ads$1.99
Show 1 more
  • Premium$2.99
None

Scouter Σ

No in-app purchases

Questions

Is Motorcycle sounds+ free?
Motorcycle sounds+ is free to download, with in-app purchases available.
Is Scouter Σ free?
Scouter Σ is free to download, with no in-app purchases.
Do Motorcycle sounds+ or Scouter Σ have ads?
Both Motorcycle sounds+ and Scouter Σ show ads.
Which is updated more often, Motorcycle sounds+ or Scouter Σ?
Motorcycle sounds+ ships an update every 4 months, and Scouter Σ every 9 days. Most recently, Motorcycle sounds+ was updated on October 8, 2026 and Scouter Σ on September 30, 2026.

Other comparisons