CanSeeVoice vs Spectrojam
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CanSeeVoice
This app visualizes your voice's frequency and amplitude using wave and FFT graphs. It includes a piano keyboard to help you match vocal pitches and offers recording, playback, and noise rejection features. Adjust system volume and explore various graph displays for detailed audio analysis.
- Fundamental frequency display
- Wave and FFT graph visualization
- Recording and playback
- Piano keyboard sound output
- Noise rejection
- System volume control
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This application shows the frequency of your voice. When you hit the piano keyboard, you will hear the sound of the keyboard, so you can check the height of your voice. Be careful with the volume when using headphones. This application has the following features. A) Display of the value of a fundamental frequency B) Display of the amplitude level of the wave/FFT graph C) Button of Recording/Stop D) Button of PlayBack/Reverse PlayBack E) Button to change graph F) Slider to change system volume G) Button of noise rejection H) Display of a fundamental frequency on the piano keyboards & output sound I ) Display of all wave data J) Display of the wave graph K) Display of the FFT graph L) Display of relationship between FFT and time
Spectrojam
This app transforms sounds from your microphone into dynamic colors and shapes on your screen. It visualizes the frequency composition of everyday noises and musical tunes, allowing you to see sound signatures and even translate them into musical notes.
- Real-time sound to color/shape visualization
- Musical note display for pitch accuracy
- Chord and harmony analysis
- Adjustable gain for volume control
- High-resolution premium visualizer
- Color modulation effects
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Spectrojam® listens to your microphone and turns the sound it hears into colors and shapes on your screen. If you speak, for example, you will see the individual frequencies emitted by your voice. If you whistle, you will see shapes and colors move and change on the screen in perfect sync with your tune. You will be amazed to see the frequency composition of the sounds in your everyday life. Each noise has a unique signature, and now you can see it all! The Musical Note Display can translate the sounds you make into musical notes. This allows anyone to sing a perfect "A" without even hearing a reference note. Spectrojam® can display up to 3 musical notes at the same time, allowing you to pick apart chords and harmonies. It works great with the human voice and musical instruments. Unlock Premium mode to access a high-resolution sound visualizer which displays up to 12.3 million samples simultaneously (8,192 frequencies * 1500 time slices) for extremely high precision and maximum clarity. The Color Modulator smoothly cycles through your color selections, producing stunning visuals. If your environment is loud, simply use the Gain slider to reduce the overall input volume, or boost it if you want to detect whispers, breathing, and quiet background music. Explore your world in a whole new way. Download Spectrojam® today!
Screenshots
Verdict
The clearest difference is rating: CanSeeVoice at 5.0 against Spectrojam's 3.9. CanSeeVoice also leads on in-app purchases (none vs 1) and review sentiment (100% vs 69%). Spectrojam's advantage is ratings volume (25 vs 2). On price, update cadence, ads 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. Spectrojam sells 1 one-off in-app purchase. CanSeeVoice asks for nothing beyond the download.
CanSeeVoice holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Spectrojam has 25 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of CanSeeVoice's written reviews are positive against 69% of Spectrojam's.
CanSeeVoice ships an update every 5 months, Spectrojam every 3 months. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.
| Parameter | CanSeeVoice | Spectrojam |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 3.9 (25 ratings) |
| Positive reviews | 100.0% of reviews — better | 69.2% of reviews |
| Number of ratings | 2 | 25 — better |
| Update frequency | Every 5 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 67 MB |
| Age rating | 4+ | 4+ |
| Developer | yo muneta | Nonsequential Time Labs |
Customer experience
CanSeeVoice
Spectrojam
In-app purchases
CanSeeVoice
No in-app purchases
Spectrojam
- Premium$2.99









