Mastery vs RT Analyzer
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Mastery
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Mastery: AI Audio Coach is a simple recording app with instant AI-powered feedback. Whether you're practicing an instrument, preparing for a job interview, or working on vocals, Mastery listens and gives you detailed, actionable, time-specific coaching on what you do well and where you can improve. HOW IT WORKS Record your performance, then tap Analyze. In seconds you'll get a scored breakdown with specific feedback on what is good and what to improve. You'll receive both overall feedback and timestamped notes pinned to exact moments in your recording. CHOOSE YOUR COACH STYLE β’ Supportive coach β encouraging, constructive feedback that celebrates your progress β’ Tough critic β direct, no-nonsense critique that holds you to a high standard INTERVIEW PREP MODE Practice behavioral interview questions with a 30-question bank across 12 themes. Get scored across Structure & Communication, Agency & Accountability, Impact, Depth & Authenticity, and Leadership Signal, calibrated to your seniority level, from Junior IC to Director+. MUSIC PERFORMANCE SCORES Get scored across Pitch, Rhythm, Articulation, Dynamics, and Phrasing β a full breakdown so you know exactly where to focus your practice. REVIEW AND SHARE Share your recordings with teachers, coaches, or interviewers to get additional timestamped feedback. They can review your performance without the app. BUILT FOR β’ Musicians analyzing tone and technique β’ Vocalists tracking progress over time β’ Professionals preparing for job interviews β’ Students preparing for auditions or performances YOUR LIBRARY Every recording is saved with its analysis. Go back and re-analyze after more practice to hear how far you've come. MASTERY PLUS β $2.99/month 15 AI analyses per month and re-analysis of past performances. Also available at $24.99/year. MASTERY PRO β $6.99/month 100 AI analyses per month, re-analysis of past performances, and all future Pro features. Also available at $59.99/year. Cancel anytime in your Apple ID settings. Interview and music practice results vary by individual. Mastery is a coaching tool and does not guarantee interview or musical performance outcomes. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Note: When you request an analysis and provide your consent, your audio recording and any metadata you provided (title, artist, interview role, question, etc.) are sent to Google's Gemini API to generate feedback. This processing occurs on Google's servers. You will be asked for consent before your data is sent for the first time. When you share a recording with a teacher or reviewer, your audio and metadata are accessible to anyone with the link.
RT Analyzer
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RT Analyzer is a long-term intonation analysis tool for wind instruments, strings, and piano. It accumulates measurements for every note so players can review intonation across the full range of an instrument. Key features: β’ Dedicated detection modes for wind, string, and piano instruments β’ Switchable Classic and Enhanced detector groups for comparison β’ Full 88-key range in Piano mode β’ View 3, 4, or 5 octaves at once with continuous horizontal navigation β’ Equal temperament and just intonation, with key and harmony filtering β’ Adjustable Good, Acceptable, and Poor cent thresholds β’ LED-style input level meter β’ Long-press or double-tap a note to inspect the fundamental and 2ndβ4th harmonics, including frequency, level, and cent offset β’ Automatic measurement history with rename, delete, and full-range image sharing β’ Interface languages include English, Japanese, Simplified Chinese, Traditional Chinese, and more Audio is analyzed in real time on the device. No account is required.
Screenshots
Verdict
The clearest difference is update cadence: RT Analyzer at weekly against Mastery's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Mastery ships an update every 3 weeks, RT Analyzer weekly. Both last shipped on October 31, 2026.
| Parameter | Mastery | RT Analyzer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Weekly β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad β better |
| Requires iOS | 17.6 | 17.0 β better |
| Further details β not scored | ||
| Size | 18 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Waveform Systems LLC | θͺ εΎ |
In-app purchases
Mastery
No in-app purchases
RT Analyzer
No in-app purchases









