Comparison

Matrix Vocoder vs Voice Changer With FX Effects

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

Head to head
About

Matrix Vocoder

Transform your voice into an electronic instrument with this app, simulating classic analog vocoder sounds. It analyzes input signals, performs spectral analysis, and reassembles synthetic speech using filter banks and replacement signals.

Highlights
  • 32 channel filterbank with analog filters
  • Stereophonic synthesis with alias-free oscillators
  • External carrier input
  • Voiced/Unvoiced detection and pitch tracking
  • Formant shift
  • Patchbay for channel connection
  • 16 internal oscillators for choir sounds
Features
Read full description

Matrix Vocoder transforms your voice into an electronic instrument! The Vocoder was invented by Homer Dudley in the mid-30's of the last century. Dudley worked at Bell Laboratories, and this is where the first Vocoder took shape. The Matrix Vocoder is designed to properly simulate the classic analog Vocoder sound made famous e.g. by the music of the german band Kraftwerk. At there last world tour they used in fact the PC version of our Matrix Vocoder on stage ! The epic Cylon Robot voice is The basic function of a Vocoder is characterised by an analysis of the input signal, usually speech but other type of inputs can also be very interesting. In a special filter bank, a spectral analysis is performed and signals are developed which follows the amount of spectral energy in each channel. Another part of the analyser tests if there are unvoiced or voiced sounds at any particular time and extracts the pitch of the voiced sounds. The output section of the vocoder consists of a stereophonic synthesis filter bank which assembles the new synthetic speech from the characteristic filter envelopes from the analysis stage together with an external or internal replacement signal. - 32 channel Filterbank with 8-pole Butterworth analog filters - Stereophonic synthesis with analog modelled alias free oscillators. - External carrier possible ( left channel = voice / right channel = carrier ) - Voiced/Unvoiced detection - Pitch tracking - Formant shift - Matrix uses patchbay to connect analysis and synthesis channels. - Pan position and level for each channel. - 16 internal oscillators with unlimited voices for choir like sounds. - Stereo wide panorama parameter for internal generator. - Optional monophonic generator with Glide setting. - Internal noise generator. - Effect AudioUnit and Music Effect AudioUnit - stand alone / Audiobus 3 / IAA

About

Voice Changer With FX Effects

Easily record your voice in high quality, apply a wide range of fun and customizable sound effects, and share your creations. Transform your voice into characters, animals, or even robots for pranks or creative projects. You can also use it to create custom ringtones and alarms.

Highlights
  • Voice recording and modification
  • Extensive sound effects library
  • Customizable effect parameters
  • Speed and pitch adjustment
  • Set as ringtone/alarm
  • Share audio files
Features
Read full description

Voice Changer With FX Effects is very easy to use and can create awesome cool and cool sound effects! Recording your voice in high quality sound, apply effects, and share them with your friends. Voice Changer With FX Effects supports a variety of effects and you can customize custom parameters to get the best sound effect for you. Singing karaoke and recording are faster and easier than ever with Voice Changer! Using Karaoke effects with three customizing parameters: echo, reverb, pitch, speed, distortion. for the best sound. Using Speed ​​changer effects with speed and pitch to edit your voice tone. Have fun and share your best recording files. Voice Changer With FX Effects that can record any voice whenever and wherever possible. Voice recording APP not only can record super voice you prefer, but also can change voice then be your excellent super voice changer or funny voice changer, then you can change your voice into plenty of awesome character. For example, you can change the voice from male to female, to child, to Alien, to superhero and so on. Voice Changer With FX Effects audio editor app can be also called a voice modulator or a voice modifier. All the voice effects for singing is pretty good. Users can even edit their own ringtones. Voice Changer With FX Effects Features: ---------------------------------------- - Voice changer app supports many effects. - Voice recording or built-in special effects let you change sound effects instantly. - Customizable sound with effects: echo, reverb, pitch, speed, distortion. - Listen to great music with bass booster. - Have fun with speed changer (custom effects with Speed/Tempo and pitch). - Share audio files with your friends via social networks. - Record and change your voice directly. Save recording file with high quality sound. - Set as ringtone, alarm, notification ... - You can sound like Robot. - Turning your voice in to girls voice with feminine level(simple mode) and girly, soft voice, voice tone (advance mode) - Turn your voice in to boys voice with masculine level(simple mode) and manly, pitch loud, voice tone (advance mode) - Very funny sound effects like Helium, Chipmunk and Hexafluoride. - Change your voice and have fun listening to your modified voice! Troll your friends with Alien,Turtle, Rabbit, Darth, Shao and Jigsaw sound effects.

Screenshots

Matrix Vocoder4 screens
Voice Changer With FX Effects4 screens

Verdict

The call

The clearest difference is rating: Matrix Vocoder at 4.2 against Voice Changer With FX Effects's 1.8. Matrix Vocoder also leads on review sentiment (42% vs 0%) and update cadence (every 15 months vs every 53 months). Voice Changer With FX Effects's advantage is price ($1.99 vs $5.99). On ads, in-app purchases, monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Matrix Vocoder costs $5.99 and Voice Changer With FX Effects $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Matrix Vocoder holds the better App Store score, 4.2 against 1.8. Both are backed by a comparable volume of ratings — 19 and 5 respectively. Written reviews point the same way: 42% of Matrix Vocoder's written reviews are positive against 0% of Voice Changer With FX Effects's.

UpkeepUpdate frequency

Matrix Vocoder ships an update every 15 months, Voice Changer With FX Effects every 53 months. Both last shipped on November 3, 2026.

Scorecard6 real differences · 4 level
Matrix Vocoder versus Voice Changer With FX Effects: the parameters behind the verdict, then further details
ParameterMatrix VocoderVoice Changer With FX Effects
Price$5.99$1.99 — better
Rating4.2 (19 ratings) — better1.8 (5 ratings)
Positive reviews41.7% of reviews — better0.0% of reviews
Number of ratings19 — better5
Update frequencyEvery 15 months — betterEvery 53 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better18.5
Further details — not scored
Size9 MB5 MB
Age rating4+4+
DeveloperHarry GohsPurnima Verma

Customer experience

Matrix Vocoder

All ratings20 ratings
Positive85.0%
Neutral0.0%
Negative15.0%
Written reviews12 reviews
Positive41.7%
Neutral16.7%
Negative41.7%

Voice Changer With FX Effects

All ratings5 ratings
Positive20.0%
Neutral0.0%
Negative80.0%
Written reviews4 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Matrix Vocoder

No in-app purchases

None

Voice Changer With FX Effects

No in-app purchases

Questions

Is Matrix Vocoder free?
Matrix Vocoder costs $5.99, with no in-app purchases.
Is Voice Changer With FX Effects free?
Voice Changer With FX Effects costs $1.99, with no in-app purchases.
Which has better reviews, Matrix Vocoder or Voice Changer With FX Effects?
Matrix Vocoder is rated higher. Matrix Vocoder averages 4.2 out of 5 from 19 ratings, while Voice Changer With FX Effects averages 1.8 from 5 ratings.
Do Matrix Vocoder or Voice Changer With FX Effects have ads?
Neither Matrix Vocoder nor Voice Changer With FX Effects shows ads.
Which is updated more often, Matrix Vocoder or Voice Changer With FX Effects?
Matrix Vocoder ships an update every 15 months, and Voice Changer With FX Effects every 53 months. Most recently, Matrix Vocoder was updated on November 3, 2026 and Voice Changer With FX Effects on November 3, 2026.

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