Comparison

Live Spectrogram vs Bel Canto Serioso

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Live Spectrogram

Visualize sound frequencies in real-time with this tool. It displays audio intensity across time and frequency using color, helping you perfect singing, analyze animal calls, or locate household noises.

Highlights
  • Real-time audio visualization
  • Frequency analysis
  • Time-based spectrum display
  • Intensity shown by color
  • Singing voice perfection
  • Animal call analysis
  • Sound source identification
Features
Read full description

Visualize audio with this handy tool. It displays the frequencies of sound around you over time. The horizontal axis is time, the vertical is frequency, and the intensity of frequencies is shown using pretty shades of red. Use it to: Perfect your singing voice Analyze the call of animals Identify and locate annoying sounds around your house Learn about the world of frequency analysis I hope you enjoy this handy little tool!

About

Bel Canto Serioso

This voice training utility offers over 60 vocal exercises for ear training and solfege practice. Customize exercises by tonality, range, tempo, and interval span. Features manual and auto playback modes for flexible practice.

Highlights
  • 60+ vocal exercises
  • Customizable tonalities and ranges
  • Adjustable tempo (45-260 bpm)
  • Filter exercises by interval and motion
  • Manual and auto player modes
  • Solfege system selection (English, Italian, Chromatic)
  • Bookmarking for exercises
Features
Read full description

Bel Canto Serioso is a voice training tool with various vocal exercises. It can also be used for ear training and practicing solfege, chromatic solfege. For now it has 60+ vocal exercises which can be played in either major or minor tonalities* in any given range and bpm. *For example; you can play Rossini Scale in major or in harmonic minor, the pentatonic exercises as major pentatonic or minor pentatonic. Triad/arpeggio exercises can be played in 5 qualities; major, minor, suspended, diminished and augmented. Some exercises can also be played in whole tone scale. Exercises can be filtered by interval span: third, fifth, sixth... or by motion: descending, stepwise, skipwise, agility, glides, diatonic... Exercise ranges can be set for a given voice classification. Female/Male Advanced section can be used if classified ranges are limiting. All scales can be played at any tempo between 45 and 260 bpm. Exercises can be bookmarked for quicker reference. The playing note of the scale is shown as text; Bb4 (or Sib4 or Te4) or as scale degree 1, b3, 5... In the settings you can set the solfege system to be used within the app. Solfege system choices are, English, Italian and Chromatic Solfege. The app will then display all note names in the chosen solfege system. There are two player modes; - Auto mode plays the exercises in a given range as usual. - In Manual mode the pattern/scale of the exercise can be advanced higher or lower manually. This is similar to practicing with an instrument, like playing a scale more than a few times at a problematic zone in your range ad advancing when done. Some of the included exercises are; Repeated Tone Third Jumps 3 Tone 5 Note ~ Chromatic Fifth Jumps Triad Triad ~ Descending Triad ~ Glides 8 Note ~ Chromatic 5 Tone 5 Tone ~ 3 times 5 Tone ~ Descending 5 Tone ~ Descending Ascending 5 Tone ~ Broken Thirds 5 Tone ~ Long Scale 5 Tone ~ Descending Long Scale 5 Tone ~ With Gallop Sixth Jumps Sixth Arpeggio Sixth Arpeggio ~ With Repeat 6 Tone ~ With Repeat 6 Tone ~ Long Scale Pentatonic Pentatonic ~ Descending Pentatonic ~ Variation I Pentatonic ~ Variation II Selve Amiche Octave Jumps One Octave Scale One Octave Scale ~ Broken Thirds One Octave Scale ~ Descending Voce Cuperto ~ One Octave Arpeggio Arpeggio ~ With Glides Arpeggio ~ With Repeat Arpeggio ~ With More Repeat Arpeggio ~ 2 times Arpeggio ~ With Skips Arpeggio ~ Descending Arpeggio ~ Descending Glides Arpeggio ~ Descending Ascending Queen of the Night Arpeggio ~ With a Turn Scale to the Ninth Tenth Scale Tenth Scale ~ Glides Tenth Scale ~ Descending Tenth Scale ~ Descending Ascending Tenth Scale ~ With Repeat Diatonic Third Jumps Diatonic 3 Tone Scale To The 11th Scale To The 11th ~ With Repeat Scale To The 11th ~ Groppo Scale To The 11th ~ Variation Queen of the Night (A coloratura pattern from Mozart's aria) Rossini Scale Rossini Scale ~ With Gallop Jazz Run Voce Cuperto ~ 1 ½ Octave Diatonic Triads Diatonic 5 Tone Voce Cuperto ~ Two Octave 2 Octave Scale ~ Descending ...and more.

Screenshots

Live Spectrogram4 screens
Bel Canto Serioso4 screens

Verdict

The call

The clearest difference is rating: Live Spectrogram at 4.8 against Bel Canto Serioso's 3.7. Live Spectrogram also leads on review sentiment (63% vs 25%) and price ($1.99 vs $4.99). On ratings volume, update cadence, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Live Spectrogram costs $1.99 and Bel Canto Serioso $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Live Spectrogram holds the better App Store score, 4.8 against 3.7. Both are backed by a comparable volume of ratings — 6 and 3 respectively. Written reviews point the same way: 63% of Live Spectrogram's written reviews are positive against 25% of Bel Canto Serioso's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 31 months. The most recent releases landed on September 18, 2026 and September 29, 2026 respectively.

Scorecard4 real differences · 6 level
Live Spectrogram versus Bel Canto Serioso: the parameters behind the verdict, then further details
ParameterLive SpectrogramBel Canto Serioso
Price$1.99 — better$4.99
Rating4.8 (6 ratings) — better3.7 (3 ratings)
Positive reviews62.5% of reviews — better25.0% of reviews
Number of ratings6 — better3
Update frequencyEvery 31 monthsEvery 31 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better16
Further details — not scored
Size15 MB3 MB
Age rating4+4+
DeveloperKrueger Systems, Inc.Altug Basaran

Customer experience

Live Spectrogram

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews8 reviews
Positive62.5%
Neutral12.5%
Negative25.0%

Bel Canto Serioso

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews4 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

In-app purchases

None

Live Spectrogram

No in-app purchases

None

Bel Canto Serioso

No in-app purchases

Questions

Is Live Spectrogram free?
Live Spectrogram costs $1.99, with no in-app purchases.
Is Bel Canto Serioso free?
Bel Canto Serioso costs $4.99, with no in-app purchases.
Which has better reviews, Live Spectrogram or Bel Canto Serioso?
Live Spectrogram is rated higher. Live Spectrogram averages 4.8 out of 5 from 6 ratings, while Bel Canto Serioso averages 3.7 from 3 ratings.
Do Live Spectrogram or Bel Canto Serioso have ads?
Neither Live Spectrogram nor Bel Canto Serioso shows ads.
Which is updated more often, Live Spectrogram or Bel Canto Serioso?
Live Spectrogram ships an update every 31 months, and Bel Canto Serioso every 31 months. Most recently, Live Spectrogram was updated on September 18, 2026 and Bel Canto Serioso on September 29, 2026.

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