This application is an independent, community-driven project and is not affiliated with, authorized, maintained, sponsored, or endorsed by Tamiya Inc. or any of its affiliates or subsidiaries.
The name Tamiya, as well as related names, marks, emblems, and images, are registered trademarks of their respective owners. The use of these names in this app is strictly for nominative fair use — to identify compatibility and provide technical information to the hobbyist community.
This app may contain links to official manufacturer websites. These links are provided for the user's convenience to access official product specifications and manuals. We do not claim ownership of the content found on these external sites, nor are we responsible for their availability or accuracy.
While every effort is made to ensure that technical data (such as gear ratios, motor specs, or parts lists) is accurate, this information is provided "as-is." Users should always cross-reference with official manuals before performing any modifications.
This app processes microphone audio locally on your device to measure motor RPM. Audio is not recorded, stored, or transmitted. Car collection data is stored locally on your device only. No personal information is collected or shared with third parties.
None: We do not collect, store, or transmit any personal information.
Purpose: Audio analysis for RPM measurement using FFT (Fast Fourier Transform)
Processing: All audio processing happens locally on your device
Storage: Audio is NOT recorded, stored, or saved
Transmission: Audio is NOT transmitted to any servers or third parties
Data Retention: Audio is processed in real-time and immediately discarded
The following data is stored locally on your device only:
Car Collection: Car names, chassis types, model names, motor types, and notes
RPM Readings: Historical RPM measurements linked to motors
Noise Calibration Profile: Ambient noise profile for improved RPM accuracy
User Preferences: App settings and preferences All local data is stored using:
iOS UserDefaults: For app settings and preferences
iOS Documents Directory: For car collection data
Core Data: For persistent storage
❌ Personal information (name, email, phone number, address)
❌ Photos (feature currently disabled)
❌ Location data
❌ Audio recordings
❌ Usage analytics or tracking data
❌ Device identifiers
❌ Crash reports or diagnostics
None: This app does not use any third-party analytics, advertising, or tracking services
Google Gemini AI: Currently disabled and requires manual API key configuration by user
Cloud Sync: Not currently implemented
We do not share any data with third parties
We do not sell any user data
We do not transmit any data to our servers (we don't have servers)
This app does not knowingly collect any information from children under the age of 13. The app is designed for hobby enthusiasts and does not target children.
Since we don't collect any personal data:
You can delete all local data by deleting the app
No data exists outside your device
You are in complete control of your data
We may update this Privacy Policy from time to time. Any changes will be reflected in the app and on this page with an updated "Effective Date."
For questions or concerns about this Privacy Policy, please visit:
Official Tamiya Website: https://www.tamiya.com
App Repository: (if applicable)
Compatible with Tamiya Mini 4WD For official product information, visit Tamiya Inc.