Celestine Granular FX vs VU950
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Celestine Granular FX
Transform any audio input into evolving soundscapes, from shimmering clouds to rhythmic fragments. This app offers real-time granular processing with eight distinct engines and built-in effects for creative sound design and musical performance.
- Live-buffer granular processing
- Eight distinct granular engines
- Real-time audio transformation
- Built-in wavefolding, bitcrush, and reverb effects
- Tempo-synced rhythmic patterns
- AUv3 compatible
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Feed it vocals, guitar, synths, piano, drums, field recordings, or full mixes, and Celestine transforms the incoming sound into shimmering clouds, drifting harmonics, orbiting textures, rhythmic fragments, and evolving ambient beds. No samples to load. Celestine listens continuously through a rolling live buffer. Whatever you play becomes the source material. Incoming audio is broken into swarms of micro-grains that can be pitched, reversed, widened, scattered, synchronized, softened, distorted, and animated in real time. Insert it on a track, blend dry and wet, send multiple sounds into it, or perform it like an instrument. From delicate halos to chaotic scatter, Celestine is built to feel organic, musical, and expressive. Eight granular engines: Grain: classic granular textures Mosaic: pitch-shifted harmonic clusters Glide: bending, sliding grains Reverie: dreamy reverse washes Bloom: ghost-echo reflections Tide: amplitude wave undulations Stars: rhythmic anchor patterns Orbit: circular spatial movement Shape time, pitch, density, motion, tone, and space. Scrub through the live buffer by hand, or lock grain triggering to the host tempo for evolving patterns and rhythmic clouds. Built-in effects: Wavefolding distortion for rich harmonic color Bitcrush for subtle grit or digital destruction Lush reverb for spacious depth Magic multi-FX with seven tone-shaping algorithms Dry/wet blending for subtle enhancement or full transformation Celestine turns melodies into glowing pads, vocals into spectral choirs, guitars into frozen halos, drums into glittering glitches, and simple loops into evolving celestial motion. Ideal for ambient, cinematic, IDM, and sound design. Under the hood: Real-time live-buffer granular processing 8 distinct granular engines Up to 30 simultaneous grain voices Tempo-synced, bar-locked grain triggering Pitch, reverse, width, scatter, motion, and timing controls Wavefold, bitcrush, reverb, and Magic multi-FX Smooth, click-free DSP Celestine is an AUv3 audio effect and requires an AUv3-compatible host app. Made by ijo audio.
VU950
This app emulates the behavior of early digital samplers, focusing on sound shaping through intentional limitations and artifacts. It offers a full timestretch workflow, reduced bit depth processing, and MIDI control for a hands-on experience. Standalone mode includes multi-track sequencing, effects, and the ability to host other AUv3 apps.
- Classic sampler sound emulation
- Full timestretch workflow
- Reduced bit depth processing
- MIDI-controllable parameters
- Multi-track sequencing
- AUv3 hosting
- Built-in effects
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VU950 is not about realism. It is about behavior. Sound shaped by limits, gain interaction and audible artifacts — the same forces that defined early digital samplers. Draws inspiration from classic midi sequencers combined with samplers. Why it sounds the way it does Instead of emulating a single piece of hardware, VU950 recreates the way early samplers behaved internally. Resolution limits, imperfect filtering and non-linear stages are treated as musical decisions, not technical flaws. What shapes the sound VU950 sample rate: 7.5 kHz to 48 kHz Full timestretch workflow with classic hardware sampler tone Reduced bit depth processing for early-digital density User-adjustable anti-aliasing behavior Stereo signal path with selectable left or right input channel Dedicated input gain stage with drive and circuit bias Multiple filtering stages including bandwidth limitation Built-in low-pass filter for tone shaping Anti-aliasing tuned for musical artifacts, not transparency Non-linear processing across the entire signal path Output gain stage that affects tone and density, not just level MIDI-controllable parameters for hands-on workflow Maximum sample length: 63 seconds Truncate option to trim sample Precise mode for precise trimming on start and end screen One or eight voices of polyphony Precise start and end point control for trimming Chop function with selectable amount of slices And that was just VU950 AUv3 plugin. In Standalone: 8 tracks Support for hosting AUv3 apps to change VU950 sound engine to any sound You like. Build in multi sampler - VU20. Build in midi device - VUMIDI. Mixer with 4 inserts per track. 17 build in effects like filters, eq, compressors Possibility to use 4 AUv3 effects per channel Step Sequencer Piano Roll. Song Mode Live Mode Export wav with stems. Loading samples to build in turntable and record samples to VU950/VU20 or another AUv3 plugin with inputs Classic and modern UI template (Modern is fully customisable) In app purchases drumkits are downloadable after purchase (MPC60 drumkit for free) You can check also my another beatmaking app - VU202 - which is free and it is also a AUv3 instrument so You can use VU202 in VU950!
Screenshots
Verdict
The clearest difference is rating: Celestine Granular FX at 5.0 against VU950's 4.2. Celestine Granular FX also leads on review sentiment (100% vs 60%) and in-app purchases (none vs 8). VU950's advantage is price ($4.99 vs $9.99) and chart position (#99 vs unranked). On ratings volume, update cadence, ads and monetization model 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
Celestine Granular FX costs $9.99 and VU950 $4.99 up front. VU950 sells 8 one-off in-app purchases. Celestine Granular FX asks for nothing beyond the download.
Celestine Granular FX holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 11 and 11 respectively. Written reviews point the same way: 100% of Celestine Granular FX's written reviews are positive against 60% of VU950's.
Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.
| Parameter | Celestine Granular FX | VU950 |
|---|---|---|
| Price | $9.99 | $4.99 — better |
| Rating | 5.0 (11 ratings) — better | 4.2 (11 ratings) |
| Positive reviews | 100.0% of reviews — better | 60.0% of reviews |
| Number of ratings | 11 | 11 |
| Update frequency | Every 2 days | Every 2 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Paid |
| Best chart rank | — | #99 — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 16 MB | 189 MB |
| Age rating | 4+ | 4+ |
| Developer | ian johnston | Dariusz Chynek |
Customer experience
Celestine Granular FX
VU950
In-app purchases
Celestine Granular FX
No in-app purchases
VU950
- EMAX drumkit$0.99
- S2400$0.99
- MPC2000$0.99
Show 5 moreShow fewer
- MPC2000 2$0.99
- MPC3000$0.99
- SP1200$0.99
- S900$0.99
- SP202$0.99








