Loved it - now not so much
Might be IO updates but can’t change values anymore
Archived App (Last seen on 7 Jul 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
Calculate how sound levels decrease with distance from the source. This physics calculator provides instant results, includes formulas, and supports various units. It's ad-free and privacy-focused for easy use on iOS devices.
✓Instant sound level calculation
✓Copyable results
✓Included reference formulas
✓Supports 16 decimal places
✓Multiple unit support
✓Ad-free and privacy-focused
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What's New in Distance Attenuation Calc
1.3
February 23, 2026
- Updated for the newest devices. - Minor bugs fixed.
User reviews
Developer apps
FAQ
What is Distance Attenuation Calc?
Distance Attenuation Calc is a physics and math calculator that helps you determine how sound levels in decibels (dB) decrease as you move further away from a sound source. It offers instant calculations and includes the relevant formulas for reference.
How does Distance Attenuation Calc work?
The app uses the principle of distance attenuation, where sound energy disperses over a larger area as it travels. It applies the formula SPL₂ = SPL₁ - 20 * log (D₂ / D₁) to calculate the reduced sound pressure level (SPL₂) at a new distance (D₂).
Does Distance Attenuation Calc have ads?
No, Distance Attenuation Calc is ad-free. The app is built with privacy in mind and is optimized for everyday use without interruptions from advertisements.
What devices is Distance Attenuation Calc compatible with?
Distance Attenuation Calc works seamlessly on both iPhone and iPad devices. It is designed to be a lightweight and compact utility for your iOS devices.
What is the price of Distance Attenuation Calc?
Distance Attenuation Calc is available for a one-time purchase of $2.99. This price grants you access to all its features without any recurring fees or in-app purchases.
How often is Distance Attenuation Calc updated?
The latest version of Distance Attenuation Calc is 1.3, last updated on February 23, 2026. While specific update frequency isn't detailed, this indicates ongoing support and development.
What is the age rating for Distance Attenuation Calc?
Distance Attenuation Calc has an age rating of 4+. This indicates it is suitable for users of all ages and does not contain any content that would be considered inappropriate for younger audiences.
Can I copy the results from Distance Attenuation Calc?
Yes, the results calculated by Distance Attenuation Calc are copyable. This feature allows you to easily transfer the computed sound level data to other applications for further use or documentation.
