Excellent utility
Response from developer
Thank you for your kinds words! We love our home cinema too so wanted an app which was simple and targeted specifically for surround sound calibration.

Calibrate your home theater's surround sound system without extra equipment. This app acts as a decibel meter to help you set speaker levels accurately for an optimal audio experience.
1.26
October 27, 2024
Service update for newer version of iOS. Keeping the app fresh.
Thank you for your kinds words! We love our home cinema too so wanted an app which was simple and targeted specifically for surround sound calibration.
Home Theater SPL is a decibel meter app designed to help users calibrate the audio levels of their surround sound systems. It allows for setting speaker levels accurately to achieve a balanced and centered sound stage without needing external equipment.
To use Home Theater SPL, point your device's microphone upwards and hold it at ear level. Start with one speaker to set a benchmark level (typically 70-80dB), then adjust other speakers to match this level. The app helps you note current sound levels for easier recall and adjustment.
No, Home Theater SPL is designed to function without any additional equipment. It utilizes your iPhone or iPad's built-in microphone to measure sound levels for calibration purposes.
Home Theater SPL is a paid application, available for $0.99. This one-time purchase provides access to its audio calibration features.
Home Theater SPL is compatible with both iPhone and iPad devices. It is suitable for users who own Apple mobile devices and have a home theater setup.
The latest version of Home Theater SPL is 1.26, and it was last updated on October 27, 2024. This indicates that the app receives periodic updates to maintain functionality and compatibility.
Home Theater SPL has an age rating of 4+. This means it is considered suitable for users of all ages, with no content restrictions.
No, Home Theater SPL does not contain advertisements. As a paid application, it offers an ad-free experience for users focused on calibration.