TB Spectrogram vs Rytmo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TB Spectrogram
This app provides real-time audio analysis with a spectrogram, spectrum analyzer, and goniometer. It can be used as a standalone application or as an AUv3 plugin within compatible music production hosts. Visualize your audio in detail with adjustable settings and multiple display options.
- Real-time spectrogram and spectrum analysis
- Goniometer for stereo signal analysis
- AUv3 plugin compatibility
- Adjustable frequency and time resolution
- Customizable color themes
- On-screen piano keyboard mapping
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ToneBoosters Spectrogram shows a real-time spectrogram, spectrum, and goniometer AUv3 plugin! We have taken the stunning visual spectrum analyzer features from our latest and greatest Equalizer Pro plugin and released it as a separate app / AUv3 plugin! The ToneBoosters Spectrogram app captures the microphone input and processes the signals in real time. To use it as a plug-in, use an AUv3-compatible host app such as Steinberg Cubasis, Apple Garageband, Audio Evolution Mobile Studio, Auria, AUM, or others. ToneBoosters Spectrogram will appear in the list of Audio Unit extensions for effect plug-ins. Key features: - Fully resizable (as AUv3 plugin) - Color themes for the user interface - Max screen support in Garageband - Adjustable color themes for UI and for spectrogram independently - Adjustable dynamic range - Adjustable frequency resolution - Adjustable time resolution - Adjustable spectral slope - Spectrogram AGC and dimming support - Show spectrogram and spectrum analyzer as overlay or individually - Spectrum analyzer also supports peak hold - Split-band goniometer for stereo signal analysis (correlation, left/right balance in one or two bands!) - On-screen piano keyboard to map spectrum analyzer to piano notes - Optimised for iPad and compatible with iPhone and iPod Touch What you should know: - Licenses acquired for this platform are not compatible with other platforms. - Audio Unit (AUv3) extensions require an iPad mini 2, iPad 4 or later models.
Rytmo
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Sync your music to vibrant light displays with this intuitive controller for your Glow Kit LED bar. Customize colors, save presets, and watch as every beat and melody transforms into mesmerizing visual art.
Screenshots
Verdict
The clearest difference is update cadence: TB Spectrogram at every 3 weeks against Rytmo's every 4 months. TB Spectrogram also leads on iOS requirement (13.0 vs 17.6). On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
TB Spectrogram ships an update every 3 weeks, Rytmo every 4 months. The most recent releases landed on September 14, 2026 and September 9, 2026 respectively.
| Parameter | TB Spectrogram | Rytmo |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (50 ratings) — better | — |
| Positive reviews | 71.0% of reviews | — |
| Number of ratings | 50 — better | — |
| Update frequency | Every 3 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 15 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | ToneBoosters | KYRIAKOS MICHAIL DIAOURTAS |
In-app purchases
TB Spectrogram
No in-app purchases
Rytmo
No in-app purchases
Questions
Is TB Spectrogram free?
Is Rytmo free?
Do TB Spectrogram or Rytmo have ads?
Which is updated more often, TB Spectrogram or Rytmo?
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