Grothm vs Plectro
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Grothm
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Grothm is a structured practice tracker with a professional metronome built in. Plan sessions, automate tempo changes, and track time, BPM, goals, and progress over time. TRAIN WITH A PLAN Build focused routines for warm-ups, rudiments, speed, technique, and repertoire. AUTOMATE TEMPO TRAINING Use multiple automatic tempo modes to develop speed without adjusting the metronome by hand. TRACK EVERY SESSION Automatically record practice time, tempo, goals, and completion history. SEE YOUR PROGRESS Review growth curves and time-range reports to understand how your practice develops. PROFESSIONAL METRONOME Train with precise timing, advanced subdivisions, dotted notes, automatic tempo changes, and speeds up to 350 BPM. FOCUSED CYBERPUNK DESIGN A clear, immersive interface built for focused practice. PRIVATE AND DISTRACTION-FREE No account. No ads. No internet required. Your data stays on your device. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Plectro
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Make every guitar practice session count. Plectro listens while you play and turns your practice into useful feedback. See notes and chords in real time, tune with clear guidance, check the cleanliness of single notes, and build a lasting practice habit with session history, streaks, and weekly stats. PLAY WITH LIVE FEEDBACK - Identify notes and chords as you play - See whether a note is in tune, sharp, or flat - View exact cent deviation at supported skill levels - Get a live 0-100 tone score for single-note playing - Follow your elapsed practice time without leaving the session TRACK YOUR PRACTICE - Save completed practice sessions automatically after you end them - Review session duration, detected notes, and average tone score - Follow your current practice streak - See total practice time, weekly minutes, and session count - Visualize your last seven days of practice MADE FOR YOUR LEVEL Choose Beginner, Intermediate, or Advanced. Plectro adjusts the amount of detail shown and the chord vocabulary it recognizes, keeping the experience focused instead of overwhelming. PRIVATE BY DESIGN Audio analysis happens entirely on your iPhone. Your audio is never recorded, stored, or uploaded. Practice metrics stay locally on your device, and no account is required. Plectro is built for guitarists who already know what they want to practice and want a clearer view of their consistency, tuning, and tone. Tap Practice, start playing, and make your progress visible.
Screenshots
Verdict
The clearest difference is in-app purchases: Plectro at none against Grothm's 1. On price, update cadence, ads and device support 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
Both are free to download. Grothm sells 1 one-off in-app purchase. Plectro asks for nothing beyond the download.
Grothm ships an update every 3 weeks, Plectro every 2 weeks. The most recent releases landed on November 5, 2026 and October 24, 2026 respectively.
| Parameter | Grothm | Plectro |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 2 weeks โ better |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Devices | iPhone | iPhone |
| Requires iOS | 18 | 17.0 โ better |
| Further details โ not scored | ||
| Size | 7 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | ้ๆ ้ญ | Enes Oz |
In-app purchases
Grothm
- Grothm Pro$2.99
Plectro
No in-app purchases









