sqrt vs Pegboard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
sqrt
This app allows users to trigger and manipulate sounds on a multitouch surface. The pro version enables loading custom audio files and creating personalized sound grids. It offers a unique playback control system where sound parameters are interpolated across the screen.
- Multitouch sound triggering
- Drag-to-manipulate sound parameters
- Load custom sounds (Pro version)
- Create custom sound grids (Pro version)
- Interpolate between parameter presets
- Includes curated glitch sounds
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SQRT is a multitouch sound board sample player. Tap on the items to trigger different sounds. Drag a triggered sound around the surface to change its parameters. Use the two buttons on the side to change the way how you can play / trigger the sounds. With the pro version you can load in your own sounds (using iTunes or AudioShare) and create your own grids! SQRT comes with a specially designed set of (glitch) sounds by composer/sound designer Ctrl-t (aka Jan T.) and are an incarnation of one of his recent (live) pieces. If you want to use your own sounds, get the pro version! What is special about SQRT? The sounds can be triggered from one point on the screen but the playback behavior can be manipulated over the entire screen. For each 'trigger point' there are snapshots of parameter settings spread across the playing area. The playback behavior is changed by interpolating between these presets. Currently the presets define pitch, loop start and loop length.
Pegboard
This app offers an intuitive mobile wavetable synthesizer with a virtual analog filter. It features a harmonic table keyboard layout that highlights scales for easy improvisation and chord playing. The free version provides extensive sound design capabilities, while a pro upgrade unlocks MIDI controller functionality.
- Harmonic table keyboard layout
- Scale highlighting for improvisation
- Virtual analog filter
- 8-voice polyphony
- 7 effect modules
- 16-row modulation matrix
- MIDI over USB (Pro)
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Pegboard is a mobile synth designed to make playing music more intuitive. The app is a full-featured mobile subtractive synthesizer with a virtual analog filter. Use it as a melody writing app, music scale finder, or just as a MIDI keyboard controller. How you use it is completely up to you. The keyboard is arranged in a harmonic table layout. Scales you choose are highlighted for easy improvisation. Each chord has a simple shape that is the same in every key. This layout greatly simplifies playing chords, borrowing chords, and modulating between keys. Music theory apps tend to impose constraints and can be uninspiring. Pegboard will give you an intuitive feel for harmony and allow you to come up with your own amazing riffs all through improvisation. Most of the app features are free. The synth is fully playable and programmable in the free version. Included in the free version: • Over 400 unique scales. • 70 factory presets. • 16-voice polyphony. • 4 oscillators. • 7 effect modules. • 16-row modulation matrix. • Unlimited use, no ads. Included in the pro version: • Unlimited saved presets. • MIDI over USB. The pro version is available as an in-app purchase. It will allow you to use the app as a MIDI controller. You can then connect the app to your DAW or another synthesizer.
Screenshots
Verdict
The clearest difference is rating: Pegboard at 4.4 against sqrt's 3.3. Pegboard also leads on update cadence (weekly vs every 5 weeks). sqrt's advantage is in-app purchases (none vs 1) and iOS requirement (8.4 vs 15.0). On price, review sentiment, ratings volume and ads 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
Both are free to download. Pegboard sells 1 one-off in-app purchase. sqrt asks for nothing beyond the download.
Pegboard holds the better App Store score, 4.4 against 3.3. Both are backed by a comparable volume of ratings — 7 and 10 respectively. Written reviews complicate that: 58% of sqrt's written reviews are positive against 56% of Pegboard's, so the app with the better star average is not the one people write more warmly about.
sqrt ships an update every 5 weeks, Pegboard weekly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | sqrt | Pegboard |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (7 ratings) | 4.4 (10 ratings) — better |
| Positive reviews | 57.9% of reviews — better | 55.6% of reviews |
| Number of ratings | 7 | 10 — better |
| Update frequency | Every 5 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.4 — better | 15.0 |
| Further details — not scored | ||
| Size | 14 MB | 111 MB |
| Age rating | 4+ | 4+ |
| Developer | TeaTracks | Brandon Murray |
Customer experience
sqrt
Pegboard
In-app purchases
sqrt
No in-app purchases
Pegboard
- Pegboard Pro$19.99









