Comparison

SunVox vs 531sampler

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

Head to head
About

SunVox

This is a powerful, cross-platform modular synthesizer and pattern-based music sequencer. It offers a wide range of built-in synthesizers, effects, and sample support for creating complex musical compositions.

Highlights
  • Modular interface
  • Pattern-based sequencer
  • Microtonal sequencing
  • Sample import (WAV, AIFF, XI)
  • XM and MOD import
  • MIDI import/export
  • Built-in synthesizers and effects
Features
Currently charting
Read full description

SunVox is one of the most powerful music creation tools for iOS. It is a small and fast cross-platform modular synthesizer with pattern based sequencer (tracker). [ Key features ] • Modular interface. • Powerful microtonal sequencer. • Highly optimized synth algorithms. • Support of 16/24/32bit WAV, AIFF and XI samples. • XM (FastTracker) and MOD (ProTracker, OctaMED) import. • Multitrack WAV export. • MIDI import/export. • MIDI IN/OUT. • Mic/Line recording (using the Sampler). • Audio Unit Extension (AUv3 instrument/effect), Audiobus. • Generative music features: random selection of notes, random values of controllers, probability effects. • It's possible to use SunVox engine in your own applications using the free library for developers. • It is also available for other systems (see the site). [ Brief instruction ] The main menu - button with the SunVox icon in the upper left corner of the screen. To connect one module (source) to another (destination): first touch on the source, second touch on the destination. Official SunVox homepage, user manual, video tutorials: https://warmplace.ru/soft/sunvox SunVox music: https://warmplace.ru/soft/sunvox/#music Found a bug? Have some questions? Just write me directly: nightradio@gmail.com The answer comes immediately! [ Built-in synthesizers & effects ] • Generators; • DrumSynth with 120 unique synthetic drum sounds; • FM synthesizer; • Multisample instrument; • SpectraVoice (FFT-based synthesizer for warm atmospheric sounds); • Side Chain Compressor; • Distortion; • Echo & Reverb; • Equalizer & Filters; • Flanger; • Loop (for glitch effects); • Vocal Filter (for human voice simulation); • Vorbis Player; • WaveShaper; • Pitch Detector; • Pitch Shifter; • and more ... [ Jordan Rudess about this app ] Sunvox is a serious music application. I am personally running it on my iphone. In the overcrowded world of music apps, Sunvox stands out as both unique and powerful. If you are a musician and own an iphone, you owe it to yourself to try this amazing application!

About

531sampler

Features
Read full description

Capture a sound the moment inspiration strikes, shape it, and start playing. 531sampler is a simple, hands-on loop sampler built around 12 pads and a Chaos FX surface. Record from the microphone or bring in audio from 531player, then trim, loop, chop, rearrange, and perform without getting lost in complicated menus. KEY FEATURES • 12 playable sample pads • Record samples up to 45 seconds • Import audio from 531player • Independent TRIM and LOOP ranges • Pitch, time, reverse, volume, pan, and noise reduction • CHOP with equal division or transient-based AUTO detection • Rearrange slices, remove unwanted parts, rebuild a pad, or assign slices across pads • Chaos FX with delay, filter, reverb, and noise • LOOP, SELECT, FREEZE, and ALL STOP performance controls • Record your performance with REC MIX • Save multiple projects on your device Designed for quick ideas, spontaneous sound experiments, and live play. No account, ads, analytics, or tracking. Your recordings and projects remain on your device.

Screenshots

SunVox4 screens
531sampler4 screens

Verdict

The call

The clearest difference is update cadence: 531sampler at every 4 days against SunVox's monthly. 531sampler also leads on price ($2.99 vs $5.99). SunVox's advantage is chart position (#196 vs unranked) and device support (3 vs 1). On 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

SunVox costs $5.99 and 531sampler $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SunVox ships an update monthly, 531sampler every 4 days. The most recent releases landed on October 12, 2026 and September 30, 2026 respectively.

Scorecard5 real differences · 6 level
SunVox versus 531sampler: the parameters behind the verdict, then further details
ParameterSunVox531sampler
Price$5.99$2.99 — better
Rating4.9 (332 ratings) — better—
Positive reviews93.4% of reviews—
Number of ratings332 — better—
Update frequencyMonthlyEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
Best chart rank#196 — better—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better17.0
Further details — not scored
Size110 MB2 MB
Age rating4+4+
DeveloperAlexander ZolotovAKIHIKO YOSHIDA

Bugs and requests

SunVox

Reported bugs

2 issues
  • Compatibility issues with newer iOS versions
  • Inconsistent behavior when importing/exporting projects

Requested features

5 requests
  • Improved file management and organization
  • Expanded MIDI and automation capabilities
  • Ability to create and save custom module presets
  • More intuitive and streamlined user interface
  • Support for external MIDI controllers and keyboards

531sampler

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

SunVox

No in-app purchases

None

531sampler

No in-app purchases

Questions

Is SunVox free?
SunVox costs $5.99, with no in-app purchases.
Is 531sampler free?
531sampler costs $2.99, with no in-app purchases.
Do SunVox or 531sampler have ads?
Neither SunVox nor 531sampler shows ads.
Which is updated more often, SunVox or 531sampler?
SunVox ships an update monthly, and 531sampler every 4 days. Most recently, SunVox was updated on October 12, 2026 and 531sampler on September 30, 2026.

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