BloopKeys vs haploop
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BloopKeys
This application assists musicians by identifying correct notes within specific keys and scales. It offers built-in synth sounds and MIDI output capabilities for integration with external hardware or digital audio workstations.
- Note and key finder
- Built-in synth presets
- MIDI out support
- 30+ scale support
- Chord pads
- Roman numeral analysis
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A simple tool for musicians that helps you find all of the right notes in the right key. Use the built-in synth sounds or send MIDI output to hardware synths or your DAW. Helps you answer: * What notes are in this key? * What keys have these notes? * What chords are in this key? Features: * Three built-in synth presets (mallets, horns, and a fuzzy synth) * MIDI out over USB or network * Supports 30+ scales including diatonic, pentatonic, blues, bebop, and more! * Filter notes to a selected key/scale * Find keys with selected notes * Chord pads for easy chord playing * Roman numeral analysis
haploop
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Haploop is an innovative sequencer app that leverages haptic feedback to create a whole new sensory experience. Feel the rhythm through vibrations and craft your unique tracks. Instead of sound, design rhythms with vibrations for a one-of-a-kind creative journey! Key Features ・Rhythms You Can Feel: Experience a new form of musical expression based on vibrations rather than sound. ・Intuitive Sequencer: Edit rhythms effortlessly with flick, drag, and tap gestures. ・Customizable Feedback: Adjust vibration intensity and patterns to suit your preferences. ・Real-Time Preview: Instantly test the vibration patterns you’ve created. ・Tempo Control: Set the BPM (tempo) to match your desired rhythm.
Screenshots
Verdict
The clearest difference is price: haploop at Free against BloopKeys's $1.99. haploop also leads on update cadence (fortnightly vs every 2 months). BloopKeys's advantage is rating (4.8 vs 1.0) and ratings volume (4 vs 1). On ads, in-app purchases, device support and iOS requirement 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
haploop is free to download; BloopKeys costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
BloopKeys holds the better App Store score, 4.8 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.
BloopKeys ships an update every 2 months, haploop fortnightly. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.
| Parameter | BloopKeys | haploop |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.8 (4 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.4 | 16.6 — better |
| Further details — not scored | ||
| Size | 4 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | Joel Stephen Birchler | takashi tanaka |
In-app purchases
BloopKeys
No in-app purchases
haploop
No in-app purchases