SunVox vs 531sampler
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Modular interface
- Pattern-based sequencer
- Microtonal sequencing
- Sample import (WAV, AIFF, XI)
- XM and MOD import
- MIDI import/export
- Built-in synthesizers and effects
Read full descriptionHide 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!
531sampler
Read full descriptionHide 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
Verdict
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
SunVox costs $5.99 and 531sampler $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
SunVox ships an update monthly, 531sampler every 4 days. The most recent releases landed on October 12, 2026 and September 30, 2026 respectively.
| Parameter | SunVox | 531sampler |
|---|---|---|
| Price | $5.99 | $2.99 — better |
| Rating | 4.9 (332 ratings) — better | — |
| Positive reviews | 93.4% of reviews | — |
| Number of ratings | 332 — better | — |
| Update frequency | Monthly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Best chart rank | #196 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 110 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Alexander Zolotov | AKIHIKO 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
SunVox
No in-app purchases
531sampler
No in-app purchases








