tardigrain vs ComposerDeck
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
tardigrain
Create unique sounds by breaking down samples into small fragments and playing them back non-linearly. Explore granular synthesis with adjustable grain size, direction, and step size. Enhance your audio with built-in effects, filters, and modulation options.
- Granular synthesis engine
- Adjustable grain parameters
- Built-in effects (reverb, wave shaper, crush)
- Resonant filter
- MIDI and MPE modulation
- Sequencer/arpeggiator
- LFO modulation
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Tardigrain is a granular synthesiser for iOS that runs standalone or as an AU plugin. Sounds are created by taking smaller fragments of a sample and playing them back in a non linear fashion, with settings for grain size, direction, step size and more. Process the sound further through effects like reverb, wave shaper and sample crush. Tardigrain supports connections with AudioCopy, AudioBus, Inter App Audio and AUv3. Plus all audio parameters can be modulated by MIDI, as AU parameters and by aftertouch on the build in keyboard. Now also a selected set of parameters can be modulated by LFOs och notes triggered by a new sequencer/arpeggiator. +++ Record your own samples or import using AudioCopy/drag'n drop +++ Chromatic granualar playpack +++ Effects (Wave shaper, Reverb, Sample crusher, Pitch and stereo spread) +++ Resonant filter (low, band and high pass) +++ Keyboard and MPE modulation of any audio parameters +++ Note trigger sequencer/arpeggiator +++ 4 LFO sources for modulating a selected set of parameters +++ Multiple factory presets to get you started +++ Save and load your own settings and samples +++ Inter App Audio, AudioBus and AUv3 +++ Core MIDI, Inter App Audio MIDI and AUv3 MIDI
ComposerDeck
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Stuck staring at a blank track? ComposerDeck deals you a random musical challenge: a chord, a scale, a tempo, a constraint, sometimes a MALUS. And you build something with it. Use it as a warm-up, a writing prompt, or a daily creative ritual. — DRAW IN SECONDS — Pull cards from a deck of hundreds of curated musical prompts. Filter by genre, difficulty and audience. Lock the cards you love, reshuffle the rest. Bookmark favorites for later. The MALUS deck adds forbidden techniques that force you to think sideways. — BUILD YOUR OWN DECKS — New in 2.5. Curate up to 20 decks of your favorite cards (up to 100 each), mixing catalogue prompts with your own approved creations. Share a deck with a single link: your students, your audience or your bandmates load it in one tap and draw from it. Go 100% deck, or blend deck cards with the regular engine. — SHARE YOUR TAKE — Every draw gets a permanent ID. Upload your audio interpretation (or paste a SoundCloud / YouTube / Spotify / Vimeo link) and other producers can listen, react and compare their take on the same prompt. Submissions feed into a community Audio Bank you can browse by Hot / New / Top / Following / Friends. — CONTRIBUTE TO THE DECK — Got a card the deck is missing? Submit it. Approved community cards join the global deck: every player anywhere has a chance of drawing your prompt next. Card authors get credit wherever their card is played. — TRACK YOUR PROGRESS — A full Studio Console profile with a 365-day activity heatmap, streak tracking, genre fingerprint, and 17 unlockable badges (Welcome aboard, Early Adopter, Streak tiers up to 100 days, Card Drafter, Curator, Resonance, Embraces Chaos, and more). Watch your collection grow as you draw, submit and contribute. — BUILT FOR MUSICIANS — Producers, songwriters, beatmakers, instrumentalists, vocalists, DAW lovers, hardware nerds, classical writers... ComposerDeck stays out of the way and gives you a starting point. — PRIVACY & RESPECT — No ads. No ad tracking. Nothing sold or shared. Your submissions stay yours. Private profiles are honored everywhere. Draw a card. Make something. Share it. See you in the deck.
Screenshots
Verdict
The clearest difference is price: ComposerDeck at Free against tardigrain's $5.99. ComposerDeck also leads on update cadence (every 2 weeks vs every 2 months). tardigrain's advantage is iOS requirement (11.0 vs 14.0). On ads, in-app purchases 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
ComposerDeck is free to download; tardigrain costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.
tardigrain ships an update every 2 months, ComposerDeck every 2 weeks. The most recent releases landed on September 25, 2026 and September 8, 2026 respectively.
| Parameter | tardigrain | ComposerDeck |
|---|---|---|
| Price | $5.99 | Free — better |
| Rating | 4.6 (96 ratings) — better | — |
| Positive reviews | 75.9% of reviews | — |
| Number of ratings | 96 — better | — |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 60 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Erik Sigth | Deep Sky Project |
In-app purchases
tardigrain
No in-app purchases
ComposerDeck
No in-app purchases









