SoundMeter, the original sound level meter app for iPhone, has now become SoundMeter X, which can be downloaded for free from the App Store. SoundMeter X offers standard meter and dosimeter tools for free, and professional tools and features through affordable auto-renewable subscriptions. It also offers a multi-channel data recorder for capturing raw sounds from one or more microphones connected to your iOS device.

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SoundMeter X requires iOS 14 or later and is designed to take full advantage of the latest iPhone and iPad screens.

Subscriptions:

One 14-day free trial is available among the subscriptions. Annual subscriptions offer a savings versus monthly subscriptions over a period of 12 months.

Blog: A note about auto-renewable subscriptions