GridInstrument vs BLEASS SampleWiz 2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GridInstrument
This app transforms your iOS device into a unique musical instrument with a grid-based interface. Explore over 20 musical modes and various grid layouts. It also supports external MIDI controllers like the Launchpad for expanded creative possibilities.
- Grid-based note arrangement
- Launchpad integration
- Over 20 musical modes
- Multiple grid layouts
- Core MIDI out
- Audiobus 3 MIDI support
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GridInstrument lets you play your iOS device like a musical instrument. Instead of a piano keyboard, notes are arranged on a grid. It also lets you hook up your Launchpad device (using the Apple Camera Connection Kit) and play that as well! Features: - Launchpad integration (connect your Launchpad Mini in low-power mode without a hub or any other Launchpad with a powered hub) - Change octaves - Change keys - Change from over 20 musical modes ("Major, Minor, Dorian, Mixolydian, etc.") - Choose between three grid layouts ("Diatonic", "Chromatic/4ths String Layout", "Drum rack"), as well as row note offset/overlap setting - Core MIDI out so that you use GridInstrument to control your other instruments - Audiobus 3 MIDI support - MIDI note input so that you can see notes triggered by other devices on your grid Want to see some other feature implemented? Contact us at the Decidedly website.
BLEASS SampleWiz 2
This app is a powerful sample and synthesis instrument that allows you to capture and transform any sound into a playable synth voice. It offers modern features like granular engines and MPE, alongside an intuitive workflow for both beginners and experienced musicians.
- Sample & Synthesis instrument
- Granular and cloud sample engines
- MPE support for expressive performance
- iOS/desktop interoperability
- Intuitive sampling and sound design tools
- Capture and import sounds easily
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Born of the imagination of world-renowned keyboardist Jordan Rudess and the software engineering excellence of French audio developer BLEASS, SampleWiz 2 is a unique and powerful S&S (sample & synthesis) instrument. BLEASS SampleWiz 2 combines modern features such as granular and cloud sample engines, MPE, and iOS/desktop interoperability, with the satisfying, rapid workflow of classic hardware samplers. Capture any sound, import your own samples, and transform them into playable instruments in just a few gestures. Granular and cloud-based sound engines, slicing, modulation assignment, filtering, envelope shaping, drive, and integrated effects provide powerful yet immediate tools for sculpting sounds ranging from subtle textures to entirely new sonic landscapes. Full MPE support (Slide and Pressure) enables deeply expressive performances, giving every gesture a direct impact on sound and allowing nuanced control over dynamics, timbre, and movement. Designed for touch from the ground up, SampleWiz 2 combines powerful sampling and synthesis capabilities with an intuitive workflow that keeps experimentation fast, interactive, and musical. Whether you're capturing inspiration, crafting original instruments, or performing expressive parts, SampleWiz 2 turns sound creation into a tactile and inspiring experience. Also available for desktop. For more information, visit https://www.bleass.com/samplewiz2/
Screenshots
Verdict
The clearest difference is price: GridInstrument at $3.99 against BLEASS SampleWiz 2's $19.99. GridInstrument also leads on in-app purchases (none vs 14) and update cadence (weekly vs every 4 months). BLEASS SampleWiz 2's advantage is rating (4.7 vs 4.5) and ratings volume (121 vs 11). On ads 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
GridInstrument costs $3.99 and BLEASS SampleWiz 2 $19.99 up front. BLEASS SampleWiz 2 sells 14 one-off in-app purchases. GridInstrument asks for nothing beyond the download.
BLEASS SampleWiz 2 holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: BLEASS SampleWiz 2 has 121 ratings behind it against 11, so its average is the more settled of the two. Written reviews complicate that: 83% of GridInstrument's written reviews are positive against 70% of BLEASS SampleWiz 2's, so the app with the better star average is not the one people write more warmly about.
GridInstrument ships an update weekly, BLEASS SampleWiz 2 every 4 months. The most recent releases landed on September 11, 2026 and September 26, 2026 respectively.
| Parameter | GridInstrument | BLEASS SampleWiz 2 |
|---|---|---|
| Price | $3.99 — better | $19.99 |
| Rating | 4.5 (11 ratings) | 4.7 (121 ratings) — better |
| Positive reviews | 83.3% of reviews — better | 70.2% of reviews |
| Number of ratings | 11 | 121 — better |
| Update frequency | Weekly — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 15 MB | 512 MB |
| Age rating | 4+ | 4+ |
| Developer | Decidedly, LLC | BLEASS |
Customer experience
GridInstrument
BLEASS SampleWiz 2
Bugs and requests
GridInstrument
Not enough reviews yet to summarise bugs or requests.
BLEASS SampleWiz 2
Reported bugs
30 issues- Standalone app won't open
- App crashes in standalone mode
- Cannot buy or download presets
- App crashes when trying to buy presets
- App does not start on iPad Air m3 iOS 26.5
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- App won't open on M5 iPad Pro 13’
- In-app purchases not appearing
- App slows down heavily and crashes with many presets
- User samples disappearing
- Ableton Link not working over Wi-Fi
- In-app purchase packs not downloading or loading
- Restore purchase option hangs or crashes app
- Sample end knob not a modulation destination
- AUv3 plugin glitches
- Randomize button breaks Bleass output in Loopy Pro
- Modern mode missing
- App issues when a large number of user presets are stored
- LFO rate not slow enough
- Timestretch feature missing
- Loop point setting not accurate
- Pinch and zoom not available
- Full-screen ad appears when changing volume
- User samples disappear and reappear inconsistently
- Recording in Cubasis not working
- Chipmunk effect with higher/lower notes without Modern mode
- No slice triggers
- Undo mode missing
- Manual missing
- No favorites section
- New IAPs causing app bloat
Requested features
18 requests- Dual and split program functionality
- More random options per module
- Ability to see imported sample file names
- Audition sounds in sampler before loading
- Undo mode
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- Manual
- Favorites section
- Slice triggers
- Timestretch feature
- Pinch and zoom for sample editing
- Adjust LFO rate to be slower
- Modern mode from SampleWiz 1
- Local storage for user presets
- Folder support for presets
- Ability to modulate sample end knob
- Improve loop point accuracy
- Make save buttons taller to prevent overwriting
- Preview on iOS file picker
In-app purchases
GridInstrument
No in-app purchases
BLEASS SampleWiz 2
- MPE Endeavors Preset PackFree
- Blue Lines And Grains$3.99
- Sample The World$3.99
Show 11 moreShow fewer
- Imer6ia Preset Pack$3.99
- MPE Preset Pack #1$3.99
- Jordan Rudess Preset Pack$3.99
- House Preset Pack$3.99
- Mika Preset Pack$3.99
- Dan Müller Preset Pack$3.99
- Very Sick Beats$3.99
- Retro Sonic Lofi$3.99
- Heritage Synths Soundscapes$4.99
- TheSoundTestRoom Preset Pack$5.99
- Sound Of Izrael Preset Pack$6.99
