Comparison

VoxSyn vs BLEASS Alpha Synthesizer

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

Head to head
About

VoxSyn

Transform your voice into a versatile vocal sound generator. This app captures your vocal modulations to create unique sounds beyond traditional vocoding, allowing you to trigger synthesizer sounds with your voice or a keyboard. Expand your sonic palette with a vast pool of presets and effects.

Highlights
  • Voice control of pitch and timbre
  • 22-channel vocoder
  • Integrated preset synthesizer engine
  • Hundreds of presets
  • Hi-end audio effects
  • Audiobus and Inter App Audio compatible
  • MIDI and background audio support
Features
Read full description

VoxSyn turns your voice into the most flexible vocal sound generator ever. Instantly following even subtle modulations of pitch and spectral changes of your voice VoxSyn creates signature vocal sounds far beyond traditional vocoding. Talk or sing into the microphone and you’ll trigger various synthesizer sounds following your voice pitch or the notes touched on the hexagonal keyboard / external MIDI Keyboard. The basic sounds are selected from a vast pool of predefined sounds from the famous TERA synthesis engine which can be further expanded by its unique random sound generator. The harmonic table note layout visualizes your voices pitch in realtime and also let you play notes for more traditional vocoder effects. VoxSyn is Audiobus compatible and can be used in the Input, Filter and Output slots in the Audiobus signal chain. The output can be recorded to an audio file which you can use with other Apps and programs for further processing. Features: - Voice control of pitch and timbre - 22-channel Vocoder - Integrated preset synthesizer engine - Hundreds of presets included - Hi-end Reverb and Chorus/Delay/Distortion/Phaser effects - Share/Export of audio recordings - CoreMIDI / Virtual MIDI and Background audio - Inter App Audio compatible - Audiobus 2 support (Input/Filter/Output) with state saving

About

BLEASS Alpha Synthesizer

This versatile polyphonic synthesizer offers a virtual analog sound engine inspired by classic hardware. It provides intuitive sound design tools, efficient CPU usage, and a unique motion sequencer for expressive modulation. Explore a vast library of presets and create unique sounds for your music.

Highlights
  • Virtual analog polyphonic stereo synthesizer
  • Intuitive sound design interface
  • CPU efficient for live performance
  • Unique motion sequencer
  • Built-in arpeggiator
  • Over 200 factory presets
  • Audio Unit V3 compatible
Read full description

BLEASS Alpha Synthesizer is a versatile virtual analogue polyphonic synthesizer built for immediate, hands-on sound design. Its three oscillators combine variable waveshapes and pulse widths with unison, hard sync, cross modulation and ring modulation, while dual variable-state filters with drive add further colour and character. The streamlined interface follows the natural signal path, keeping powerful synthesis controls accessible at a glance. Bring sounds to life with three ADSR envelopes, two multi-waveform LFOs and extensive modulation possibilities, while the Motion Sequencer adds rhythmic and expressive movement that can work hand in hand with the built-in arpeggiator. MPE support extends the performance possibilities, and BLEASS' efficient audio engine keeps the experience smooth and responsive on mobile devices. A complete built-in effects section includes Overdrive, Bitcrusher, Tremolo, filtered ping-pong Delay and Reverb, adding everything from subtle movement to more radical processing directly within the synth. More than 200 factory presets provide ready-to-play sounds and starting points for your own creations. BLEASS Alpha Synthesizer can be used as a standalone app or AUv3 instrument on iPhone and iPad. Also available for Windows and macOS. More information and technical specifications available on: https://www.bleass.com/alpha/

Screenshots

VoxSyn3 screens
BLEASS Alpha Synthesizer4 screens

Verdict

The call

The clearest difference is price: VoxSyn at $0.99 against BLEASS Alpha Synthesizer's $14.99. VoxSyn also leads on in-app purchases (none vs 10) and update cadence (every 9 days vs every 2 months). BLEASS Alpha Synthesizer's advantage is rating (4.9 vs 3.1) and review sentiment (86% vs 48%). On 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

CostPrice · In-app purchases · Ads · Monetization

VoxSyn costs $0.99 and BLEASS Alpha Synthesizer $14.99 up front. BLEASS Alpha Synthesizer sells 10 one-off in-app purchases. VoxSyn asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

BLEASS Alpha Synthesizer holds the better App Store score, 4.9 against 3.1. That said, the two scores are not equally well evidenced: BLEASS Alpha Synthesizer has 109 ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 48% of VoxSyn's written reviews are positive against 86% of BLEASS Alpha Synthesizer's.

UpkeepUpdate frequency

VoxSyn ships an update every 9 days, BLEASS Alpha Synthesizer every 2 months. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

Scorecard8 real differences · 2 level
VoxSyn versus BLEASS Alpha Synthesizer: the parameters behind the verdict, then further details
ParameterVoxSynBLEASS Alpha Synthesizer
Price$0.99 — better$14.99
Rating3.1 (18 ratings)4.9 (109 ratings) — better
Positive reviews48.1% of reviews86.1% of reviews — better
Number of ratings18109 — better
Update frequencyEvery 9 days — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better15.0
Further details — not scored
Size31 MB38 MB
Age rating4++4
DeveloperHarry GohsBLEASS

Customer experience

VoxSyn

All ratings18 ratings
Positive50.0%
Neutral11.1%
Negative38.9%
Written reviews27 reviews
Positive48.1%
Neutral14.8%
Negative37.0%

BLEASS Alpha Synthesizer

All ratings108 ratings
Positive97.2%
Neutral1.9%
Negative0.9%
Written reviews36 reviews
Positive86.1%
Neutral11.1%
Negative2.8%

In-app purchases

None

VoxSyn

No in-app purchases

10 purchases

BLEASS Alpha Synthesizer

One-time10
  • Sound Of Izrael Preset Pack$2.99
  • Red Sky Lullaby Preset Pack$2.99
  • MPE Preset Pack #1$3.99
Show 7 more
  • Lily Jordy Preset Pack$3.99
  • The GarageBand Guide Pack$3.99
  • Hoops Collection #1$3.99
  • Yawdel Preset Pack$3.99
  • Funk Preset Pack$3.99
  • Torley Preset Pack$4.99
  • The Sound Test Room Pack$4.99

Questions

Is VoxSyn free?
VoxSyn costs $0.99, with no in-app purchases.
Is BLEASS Alpha Synthesizer free?
BLEASS Alpha Synthesizer costs $14.99, and also offers in-app purchases.
Which has better reviews, VoxSyn or BLEASS Alpha Synthesizer?
BLEASS Alpha Synthesizer is rated higher. VoxSyn averages 3.1 out of 5 from 18 ratings, while BLEASS Alpha Synthesizer averages 4.9 from 109 ratings.
Do VoxSyn or BLEASS Alpha Synthesizer have ads?
Neither VoxSyn nor BLEASS Alpha Synthesizer shows ads.
Which is updated more often, VoxSyn or BLEASS Alpha Synthesizer?
VoxSyn ships an update every 9 days, and BLEASS Alpha Synthesizer every 2 months. Most recently, VoxSyn was updated on October 24, 2026 and BLEASS Alpha Synthesizer on October 26, 2026.

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