SL Knock vs Chord Borrower
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
SL Knock
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SL Knock is a focused AUv3 dynamics and tone effect for adding punch, body and controlled low-end weight to drums, samples and loops. โข Fast controls for impact and body โข Tone shaping for tighter or heavier character โข Mix control for parallel processing โข Factory presets and local user presets โข AUv3 support for compatible iPad music hosts Works as a standalone preview app and as an AUv3 effect in GarageBand, AUM, Cubasis, BeatMaker 3 and other compatible hosts.
Chord Borrower
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Chord Borrower โ Modal Chord Progressions Borrow chords from any mode. Build progressions that sound nothing like everyone else's. Chord Borrower turns your phone into a modal chord instrument. Pick a key, and instantly play the seven diatonic chords of that scale โ then stack on chords borrowed from Dorian, Phrygian, Lydian, harmonic minor, melodic minor, and every other mode hiding inside your key. Tap through rows of chord buttons to hear how a single root note sounds across completely different modal colors, and build progressions no ordinary chord app could give you. Play in any key, any mode Choose a major or minor key, and your primary row lights up with its seven diatonic triads. Add up to six more rows, each pulled from a different mode built on that same root โ the full set of major-scale modes, plus the modes of harmonic and melodic minor. Compare Ionian against Mixolydian, or drop into Phrygian dominant, all without changing key. Shape every chord your way Tap a chord button, then dial in its quality โ 7th, 9th, 11th, 13th, sus2, or sus4. Each button remembers its own setting, so you can build a progression where every chord has its own color and extension, exactly as you shaped it. Choose your voice Play everything through piano, kalimba, acoustic guitar, or synth โ warm, musical presets that make every chord (and every borrowed mode) sound great. Designed to inspire A single clean screen, pastel colors, soft rounded buttons, and a friendly, uncluttered layout keep the focus on your ears, not the interface. Whether you're a songwriter chasing a fresh progression, a music student exploring modal theory, or just someone who loves the sound of an unexpected chord, Chord Borrower makes modal harmony playable, visual, and fun.
Screenshots
Verdict
The clearest difference is price: Chord Borrower at $2.99 against SL Knock's $6.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
SL Knock costs $6.99 and Chord Borrower $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | SL Knock | Chord Borrower |
|---|---|---|
| Price | $6.99 | $2.99 โ better |
| Update frequency | Weekly | โ |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 โ better | 15.1 |
| Further details โ not scored | ||
| Size | 28 MB | 186 MB |
| Age rating | 4+ | 4+ |
| Developer | VIACHESLAV ZHILTSOV | Aaron Wilford |
In-app purchases
SL Knock
No in-app purchases
Chord Borrower
No in-app purchases
Questions
Is SL Knock free?
Is Chord Borrower free?
Do SL Knock or Chord Borrower have ads?
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