RTA Pro vs zLEDS Bit Editor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RTA Pro
Transform your iOS device into a professional audio analysis tool. Analyze ambient noise frequencies, pinpoint room resonance, and set up sound systems for events. Features include custom calibration, multiple display modes, and adjustable speed settings.
- Real-time audio spectrum analysis
- Frequency range 32Hz to 16kHz
- Linear, dB(A), and dB(C) weightings
- 1/3 Octave Bands, Octave Bands, and FFT display
- Adjustable speed settings
- Custom calibration options
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RTA Pro is a real time audio spektrum analyzer. It turns your iOS device into a powerful audio test system usually seen only in audio research laboratories and music studios. Such instruments are used to analyze the frequency spectrum of ambient noise, e.g. to be able to pinpoint frequencies which cause rumble in a room. Another use is the level setting setting of PA systems for concerts. Features: RTA Pro requires iOS11 or later and has been calibrated for the microphones of most iPhones. Custom calibration is also possible. The frequency range is 32Hz to 16kHz. Linear display, as well as weightings for measuring dB(A) and dB(C) is provided. Apart from 1/3 Octave Bands and Octave Bands, RTA Pro also features the display of a Fast Fourier Transform (FFT). The speed is adjustable to impulse, 128ms and 1 second.
zLEDS Bit Editor
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Create and manage custom 40-channel LED sequences directly from your iPhone. Build animations frame by frame, adjust playback settings, configure advanced commands, save presets, and upload your designs to a connected controller over Bluetooth. Features include: - 40-channel LED sequence editing - Table View and Linear View editors - Custom frame creation and editing - Playback speed and brightness control - Loop and time-off delay settings - Advanced command configuration - Local preset saving and management - Bluetooth device connection and upload - Compatible ZLEDS controller configuration Designed for ZLEDS lighting systems using supported DigiC40 hardware.
Screenshots
Verdict
The clearest difference is price: zLEDS Bit Editor at Free against RTA Pro's $5.99. zLEDS Bit Editor also leads on update cadence (weekly vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
zLEDS Bit Editor is free to download; RTA Pro costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.
RTA Pro ships an update every 3 months, zLEDS Bit Editor weekly. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.
| Parameter | RTA Pro | zLEDS Bit Editor |
|---|---|---|
| Price | $5.99 | Free — better |
| Rating | 4.5 (2 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Matthias Schorer | Samuel Rios |
In-app purchases
RTA Pro
No in-app purchases
zLEDS Bit Editor
No in-app purchases
Questions
Is RTA Pro free?
Is zLEDS Bit Editor free?
Do RTA Pro or zLEDS Bit Editor have ads?
Which is updated more often, RTA Pro or zLEDS Bit Editor?
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