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SpiceCore, formerly Spicelab by Iscanet Internet Services S.r.l. (Released)
https://apps.apple.com/app/id6760504511
SpiceLab is a generative synthesizer for iPad — a musical instrument that plays, evolves, and surprises you.
At its core is a polyphonic analog-style synth engine with dual oscillators, a resonant dual filter, two ADSR envelopes, and two LFOs.
Exponential envelope curves, filter saturation, and oscillator drift give it the warmth and character of vintage hardware.
What makes SpiceLab different is its generative engine. A 16-step sequencer with Euclidean rhythm generation, Markov-based melodic evolution, and a bounded mutation engine lets you create patterns that evolve organically over time. Four macro controls — Mutation, Density, Chaos, and Memory — put the generative behavior at your fingertips.
A per-destination modulation matrix lets you route any source to any knob or fader — long-press a control to assign LFOs, envelopes, velocity, mod wheel, or randomness. Colored arcs animate in real-time showing exactly how each modulator shapes the sound.
SpiceLab works as a standalone app with its own on-screen keyboard, or as an AUv3 instrument plugin inside Logic Pro for iPad and other compatible hosts.
SYNTHESIS
• Dual oscillators (sine, saw, square, triangle) with octave, fine tune, and mix
• Sub oscillator and noise generator
• Dual filter (high-pass + low-pass) with configurable routing order
• Drive / saturation stage
• Filter keyboard tracking
• Two ADSR envelopes (amplitude + filter) with analog-style exponential curves
• Two LFOs (sine, triangle, random)
• Poly, mono, and unison play modes with glide
MODULATION MATRIX
• 2 mod slots per destination — assign via radial picker on long-press
• 8 sources: LFO1, LFO2, Filter Env, Amp Env, Mod Wheel, Velocity, Aftertouch, Random
• 21 destinations: filter cutoff, resonance, oscillator levels, drive, LFO rates, envelope times, and more
• Animated color-coded arcs on knobs and bars on faders show modulation range in real-time
GENERATIVE SEQUENCER
• 16-step sequencer with pitch, gate, velocity, probability, and repeat per step
• Euclidean rhythm generator (Bjorklund algorithm)
• Markov-based pitch transitions with configurable memory
• Bounded mutation engine with deterministic seeded randomness
• Host tempo sync, latch mode, swing
PERFORMANCE
• On-screen keyboard with pitch bend and mod wheel strips
• Selectable keyboard range (25/32/37/49/61/88 keys) with octave shift
• MIDI Learn — long-press any control to assign a CC
• MIDI Learn profiles — save and switch hardware mappings independently from presets
• Pitch bend, mod wheel, sustain pedal support
• MIDI Clock sync for standalone mode
• 26 factory presets across 6 categories (including 6 with curated mod matrix routings)
• User preset save, load, rename, delete with categories
AUv3 PLUGIN
• Loads as an instrument in Logic Pro for iPad and other AUv3 hosts
• Full parameter automation
• Host transport and tempo sync
• Complete state save and restore (including modulation matrix)
Details:
Universal: No
Minimum OS version: 12.0
Comments
$45? 👀
Interstingly, it's around $25 on the China store. Normally the China store's prices would be about the same as the US store, which makes me think this developer must have set different prices for different countries.
£22.99 here in the UK…
Yeah, but definitely shows as $45 for me in the US - that’s using Google on my Android though, maybe Google info is out of date and the dev reduced the price but Google is not showing that yet? Hmm…
$29.99 in Canada.
Also, I wish people would stop saying “analog warmth.” There’s nothing analog about apps, period.
So either the dev jut really hates America, or - indeed - the price on google is inacccurate haha. I’m guessing it’s the latter.
Same dev as LifeSampuru, which is pretty neat:
https://apps.apple.com/ca/app/lifesampuru/id6746862890
$40 in Australia. Would normally be 30% higher than the US price. (About $60).
Well, the dev in their description was right about one thing. This app did surprise me! 😂 A steep $45 pricetag for functions I can already do with Megalit, the Synthmaster series, Twin 3, Flowtones, and Buttersynth when Buttersynth doesn't crash out on me worse than a raging alcoholic.
I bet if I ever bothered to grok Drambo, I could build something like this from scratch if such a thing doesn't already exist on Patch Storage. 🤣
That sounds interesting but not one sound bite anywhere on the internet. Anyone got it?
When I saw the price I legit started laughing . The hardest of passes from me !
I got it for free, didn’t realize it’s now like $20! Wow. Not worth that at all, it’s just a toy.
I’d buy it if it was 10-12 bucks.
Well, after seeing how people dunked on "Dark Park" and I gave that a shot, I decided to read through SpiceLab's description again to see if I misunderstood anything. I will reiterate - there are far better apps out there that can do what SpiceLab can do, at a fraction of the cost (for the most part, Synthmaster series complete bundle notwithstanding, but $99 for all that is worth it moreso than bloody SpiceLab at $45).
And @timfromtheborder confirming SpiceLab being a toy makes me believe that SpiceLab won't get very many sales if at all from the more serious producers. They might be able to trick a hobbyist or two, but this dev isn't fooling me out of all that money.
LifeSampuru is basically a toy, not SpiceLab. I don’t have SpiceLab and don’t have any comment on it. I will add that the price for LifeSampuru jumped way up yesterday when this new app was released.
Ah, okay. Well, curiouser and curiouser. 😂
Yea $44.99 in the States.
It just got updated with a sequencer, making it a little cooler.
Its $20, thats a bit pricey for what it does.
I'd take a chance maybe at $20 to see how the markov chains concept is being implemented, but this is out of step with the ios market prices.
I sent the developer an email suggesting some sort of sound/audio demos and/or a YT video to show what this app can do, if anyone was to take a chance on buying it at the asked price.
Email is on the “support” page of their website
I bought it, listened to the presets and got a refund. Definitely not for me. It might be for someone though. I think it's just a bit vanilla sounding
Yeah , vanilla sounding at the cost of my typical royalty check? For that price it is absolutely mind boggling
Hey all, developer here.
Thanks for the discussion. I’ve read through everything, including the more… colourful takes, and I do genuinely appreciate the feedback.
Since the release on March 24, I’ve been putting quite a bit of work into the app. It’s already evolved enough that I’ve actually renamed it to SpiceCore and updated the icon, mainly because “SpiceLab” was starting to feel more like a prototype name than what the instrument is becoming.
A few of the points raised here are fair, especially around sound and presets. The engine can do quite a bit more than what the factory presets currently show, and that’s something I’m actively improving. I probably underestimated how much the first impression depends on that.
On the “you can already do this elsewhere” angle, I don’t really disagree if you break things down feature by feature. The intent here isn’t to outdo other synths on paper, but to combine generative sequencing, modulation, and playability into something that behaves in a slightly different way over time. The idea is that you’re not just programming a pattern, you’re shaping something that keeps evolving while you interact with it.
There’s also a fairly detailed manual available that goes into how the generative engine works under the hood, including the Markov transitions and mutation constraints, for anyone curious about what’s actually happening rather than just the surface behaviour.
Regarding the “analogue warmth” comment, that’s on me for the wording. I’m not claiming anything mystical, just trying to recreate certain behaviours like envelope curves, drift, and non-linearities that people tend to associate with hardware.
On pricing, I can see that it’s been a sticking point. I’ve been experimenting a bit with regional pricing, and it’s clearly something I need to calibrate better, and I will. The intention wasn’t to put people off, but to find something sustainable for the amount of work going into it. That said, I hear the feedback.
I realise as well that the lack of audio demos doesn’t help here. I’ll be putting some examples together shortly so people can actually hear what it does rather than guess from the description.
I would just add that if you spend a bit of time with the generative side and modulation system, it becomes clear it’s not really aimed at being a “toy”, but rather a different kind of instrument that may or may not suit your way of working.
If anyone is genuinely interested in the generative side of things, I’m more than happy to go into detail. And if you tried it and it didn’t click, that’s completely fair as well.
In any case, it’s not a static release. It’s moving forward quite quickly, and I’m taking on board what’s being said here.
Rocco
Thanks for the info. The price in the Swedish store is now SEK299(about $25) so that's more tempting but videos with sound examples are truly missing, please prioritise.
Welcome to the forum @rocco 👋
I think the bar is actually really high for quality synths at very affordable prices on iPadOS so you will get some honest feedback here! Great to see you’re engaging though and open to ideas. Good luck with it!
@rlucia thank you for posting!
I’m sure I can speak for everyone here in saying that we all appreciate a developer who’s receptive to feedback.
Have you considered releasing a beta version on TestFlight? The benefits of the TestFlight betas are twofold; one, you get a bunch of very interested beta testers (the amount of beta user slots can be predefined by you, if you wish. Or just do an “open beta”) to test your product, and find and report any bugs and any potential crashes that may occur, as well as offer suggestions for improvements and/or adding features that you may not have thought of. Plus, they (the beta testers) will be testing your product on a wider range of devices, os versions, and screen sizes.
TestFlight betas typically run for 90 days, and then they expire. It’s a good way to get your product in front of more potential buyers, and a great way for users to “try before they buy”.
Another way is to do a “limited trail” (or even a limited time trial) version which could offer a small portion of the app, for users to see how things work, and maybe a couple sample presets to show the sounds possible. Then a button to “unlock” the full version.
I’ll be watching this space, and waiting for some sound demos and/or video examples to see and hear what’s possible with SpiceCore.
Hey all, quick update from me.
First of all, thank you to everyone who took the time to comment, criticise, suggest things, or message me privately. Some of the feedback was very direct, but it was useful, and quite a lot of the work since my last update has come from points raised here and by actual users.
The main areas were pretty clear: first impressions, presets, sound examples, AUv3 behaviour, MIDI/playability, and making the instrument feel less like a static synth with a sequencer attached, and more like a playable generative instrument.
The early 1.0.x updates were mostly about tightening the foundations. SpiceCore now has better live controls, pitch bend and mod wheel faders in the performance strip, a taller keyboard, clearer tempo and sync handling, improved AUv3 behaviour, host preset support, aftertouch support, default MIDI CC mappings, smoother preset sharing, cleaner voice handling, CPU optimisation, and various fixes around retriggering, modulation clicks and output stability.
That may sound like dry maintenance work, but it was important. Before adding more ambitious generative features, I wanted the basic playing experience, AUv3 integration and engine behaviour to feel more solid.
The bigger step forward has been the 1.1 work.
Version 1.1.0 introduced Motion Arp. You can hold a chord and SpiceCore generates a moving phrase from the notes you are actually playing, rather than from a fixed pattern. It has several movement modes, motif rhythms, latch, and performance controls such as Freeze, Burst, Invert, Spread and Capture. Capture is especially important because it lets you take a generated phrase and write it back into the 16-step sequencer, so performance and editing become part of the same workflow.
Version 1.1.1 then opened up the oscillator section. The old fixed waveform buttons have become continuous Shape strips, so you can move between sine, triangle, saw and square rather than just selecting one of four states. Each oscillator also has a Contour control, and Shape and Contour can both be modulation destinations.
There is also now a Timbre layer. When enabled, the four macro faders move oscillator colour while the sequencer or Motion Arp is running. This is one of the areas I am most interested in personally, because it means the generative side of SpiceCore is not only about notes, but also about the way the sound itself evolves.
I wrote a longer article about that idea here, in particular why I used Markov chains for timbre, not just pitch
One fair criticism of the original release was that the factory presets did not show enough of the engine. I think that was true. The factory content has now been expanded and refreshed around the newer features, including Motion Arp presets and Shape / Contour / Timbre showcase presets.
On demos: yes, message received. I have added a demos section to the website and started with bass, drone and lead audio examples. More would still help, of course, but SpiceCore is no longer showcased just with a written description and screenshots.
On TestFlight: I agree that it makes sense, especially now that the app has grown beyond the original 1.0 scope. I am looking at using TestFlight for bigger feature cycles, so people here can try changes earlier and give more useful feedback across different iPads, hosts and workflows.
On a trial or lite version: I understand the point. SpiceCore is currently a paid-upfront app, so a proper trial path is not a tiny switch to flip, but I am not dismissing it. In the shorter term I am prioritising sound examples and videos, clearer documentation, and making sure updates keep improving the instrument for people who have already bought it.
Also, to mark SUPERBOOTH26, I will be launching a worldwide SpiceCore promotion from 6 to 10 May. I am not sharing the full details just yet, but I wanted to mention it here in advance.
So, the app has definitely not been sitting still. There is still plenty of work to do, but I do feel it is moving in the right direction now: better AUv3 integration, better MIDI and playability, a cleaner engine, Motion Arp, morphing oscillators, Timbre macros, more presets, actual audio demos, and more coming.
Rocco
That would be 50%, which is about right for Australia.