RTA01

1.0

Shunsuke Takasu

0.00

0 reviews

Free

Screenshots by Shunsuke Takasu, from the the App Store listing

View on the App Store

About RTA01

RTA01 is an utilities app developed by Shunsuke Takasu.

User Ratings

The app has no ratings yet.

App Information

RTA01 is freely available from the App Store. The app size is 2.69 MB. The latest version available is 1.0. The last update was on July 27, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since July 2026.

Description by Shunsuke Takasu (from the App Store)

RTA is a pocket-sized real-time spectrum analyzer built for audio engineers and PA operators.

FEATURES
- Switchable resolution: 31, 63, or 127 bands
- A/C/Z frequency weighting (IEC 61672-1 compliant)
- High-precision peak detection using raw FFT data with parabolic interpolation
- Peak hold
- Calibration offset (for matching a reference measurement device)
- Tap any band to see its exact frequency and dB level
- Upside-down mode for inverted mounting
- Multiple color themes (Black / White / Neon / B&W)

NO ADS, NO PRESSURE
This app has no interruptive ads. If you find it useful, you can support development with an optional tip.

Handy for quick frequency balance checks and finding feedback points in the field.

Note: readings are for relative reference only and are not guaranteed to match a calibrated measurement instrument.

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Alternatives to RTA01

Changelog of RTA01

No changelog data

Developer information for Shunsuke Takasu

Shunsuke Takasu

Address:

Comments on RTA01 for iOS

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App Store Rankings for RTA01

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Technologies used by RTA01

Frequently asked questions about RTA01

Is RTA01 free?

Yes. RTA01 is free on the App Store.

Is RTA01 still available?

Yes. RTA01 is on the App Store, and the last update we saw was on July 27, 2026.

How large is RTA01?

RTA01 is 2.69 MB.

Is RTA01 suitable for children?

App Store rates the content of RTA01 as suitable for everyone.

Who made RTA01?

RTA01 was developed by Shunsuke Takasu. It is listed in the utilities category on the App Store.

What are the best alternatives to RTA01?

People looking at RTA01 also look at these utilities apps: Spectrum Analyzer: Audio RTA, SpectralScan Audio Analyzer dB, Spectrum Analyzer+ Audio FFT, Auralize: Sound Level Meter, HAA CinemaTools with HAA Link.

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