# RTA01

> Real-Time Spectrum Analyzer

Canonical page: [https://chrome-stats.com/d/id6793456897](https://chrome-stats.com/d/id6793456897)

## Overview

- **ID:** `id6793456897`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Shunsuke Takasu
- **Category:** Utilities
- **Version:** 1.0
- **Last updated:** 2026-07-27
- **First published:** 2026-07-26
- **Size:** 2.69 MB
- **Data as of:** 2026-09-17
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/rta01/id6793456897)
- **Privacy policy:** [https://descriptive-crayon-722.notion.site/Privacy-Policy-3a5d045707fa804d8798d243812311ec?source=copy\_link](https://descriptive-crayon-722.notion.site/Privacy-Policy-3a5d045707fa804d8798d243812311ec?source=copy_link)

## Description

Real-time spectrum analyzer for audio engineers with 31/63/127-band display, A/C/Z weighting, and high-precision peak detection. Ad-free, with optional tips.

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.

## Rankings

- #1,779,616 — Overall

## Similar extensions and apps

- [RTA Audio Spectrum Analyzer](https://chrome-stats.com/d/id6756555682)
- [RTA Pro](https://chrome-stats.com/d/id703753970) — 4.50 / 5
- [Audio RTA Analyzer](https://chrome-stats.com/d/id6784479397) — 5.00 / 5
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- [SonoSpec: Audio Spectrum RTA](https://chrome-stats.com/d/id6804465268)
- [Audio spectrum analyzer EQ Rta](https://chrome-stats.com/d/id1122398778) — 4.50 / 5
- [RTA](https://chrome-stats.com/d/id298839433) — 4.00 / 5
- [Audio Spectrum Analyzer dB RTA](https://chrome-stats.com/d/id1281873790) — 4.50 / 5

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6793456897)