Practice Capsule vs Cantus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Practice Capsule
This app allows users to record short video clips of their practice sessions and schedule them to be delivered to their future selves. It serves as a motivational tool by showcasing progress over time for musicians, athletes, and artists.
- One-tap video capture
- Scheduled video deliveries
- Private by default video storage
- Progress documentation
- Motivational tool
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Record your progress. Send it to your future self. Progress is slow. You often don't notice your improvement if you never look back. Practice Capsule helps you document your growth by saving short video clips of your practice sessions and automatically delivering them to your future self when you need a dose of perspective, motivation, or pride. Features include: • One-Tap Video Capture: Easily record a short clip from any practice session. • Scheduled Deliveries: Schedule each video to yourself weeks, months, or years later. • Private by Default: Your videos stay just for you, unless you choose to share. Practice Capsule is perfect for musicians, athletes, artists, or anyone chasing progress over time.
Cantus
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Cantus - Voicing Lab is an interactive harmony and chord-voicing tool by Nathaniel School of Music for pianists, composers, producers, and music theory students. Explore how notes move inside chords, hear voicings in context, and study color, tension, and modal relationships from the keyboard. Cantus is designed as a focused practice lab: pick a sound, inspect the voice leading, and build intuition for how harmony feels under your hands. FEATURES * Interactive chord and voicing explorer * Piano keyboard visualization * Modal and scale-based harmony practice * Voice-leading movement and pinboard-style comparison * Tone.js audio playback * Self-hosted fonts and bundled web assets * Works without an account BY NATHANIEL SCHOOL OF MUSIC Built for practical harmony learning, composition practice, and deeper chord fluency.
Screenshots
Verdict
The clearest difference is update cadence: Cantus at every 5 days against Practice Capsule's every 8 months. On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Practice Capsule ships an update every 8 months, Cantus every 5 days. The most recent releases landed on October 2, 2026 and October 4, 2026 respectively.
| Parameter | Practice Capsule | Cantus |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 8 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Lawrence Luo | Jason Zachariah |
In-app purchases
Practice Capsule
No in-app purchases
Cantus
No in-app purchases









