Fret Drill vs LeetLLM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fret Drill
Learn guitar notes by playing your actual instrument. The app listens via your microphone and provides instant feedback, guiding you from basic exercises to mastering the entire fretboard. Turn memorization into muscle memory with focused daily practice.
- Practice with your real guitar
- Instant microphone note detection
- Step-by-step lessons
- Smart practice repeating weak spots
- Progress tracking
- Customizable lessons
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Stop hunting for notes. Build real fretboard muscle memory. Fret Drill helps you learn guitar notes by playing your actual guitar. The app shows you a note and a string. You play it. Fret Drill listens through your microphone and tells you when you got it right. Start simple with one string and a few notes. Then work up to all strings, all notes, and the full fretboard. The more you practice, the faster your fingers know where to go. Perfect for guitarists who want to: - Learn every note on the fretboard - Build faster note recall - Stop guessing during solos and practice - Improve confidence while improvising - Turn fretboard memorization into muscle memory Features: - Practice with your real guitar - Instant microphone note detection - Switching between different audio inputs - Simple step-by-step lessons - Smart practice that repeats weak spots - Progress tracking for each lesson - Helpful fret hints when you need them - Custom lessons for specific strings, notes, frets, and tunings A few focused minutes a day can make the fretboard feel much less random. Fret Drill turns guitar note memorization into simple, active practice. This app is provided under Apple’s Standard End User License Agreement https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
LeetLLM
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Learn AI and LLM engineering with a structured curriculum for developers, researchers, and engineers. Work through 197 lessons across 15 roadmap phases, from computing foundations and probability to Transformers, fine-tuning, retrieval, agents, inference, and production systems. LESSONS AND LEARNING TRACKS Follow the curriculum or choose a focused learning track. Continue with your next unread lesson, check your progress, and save bookmarks and notes in your library. QUIZZES AND MASTERY CHECKS Test your understanding with theory quizzes and lesson mastery checks. Unfinished attempts are saved. Review explanations, change your answers, and check again. OFFLINE READING Lessons, diagrams, formulas, glossary entries, and practice files are bundled in the app. Read and study without an internet connection. Coding execution is available on the LeetLLM website. AI AND ML GLOSSARY Explore 757 terms with explanations, formulas, examples, and links to related lessons. PERSONAL READING SETTINGS Choose your font, adjust text size, and use system, light, or dark appearance. Navigate articles by section and keep notes as you read. OPTIONAL ACCOUNT AND SYNC Use the curriculum as a guest, or sign in to sync learning progress across web and mobile. Leety can answer questions about the current page after sign-in and requires an internet connection.
Screenshots
Verdict
The clearest difference is in-app purchases: LeetLLM at none against Fret Drill's 2. On price, update cadence, ads 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. Fret Drill sells 2 in-app purchases, starting at $1.99 per 7 days. LeetLLM asks for nothing beyond the download.
Fret Drill ships an update every 2 months, LeetLLM every 6 weeks. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.
| Parameter | Fret Drill | LeetLLM |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 15 MB | 528 MB |
| Age rating | 4+ | 4+ |
| Developer | Andrii Sievrikov | Bruno Candido Volpato da Cunha |
In-app purchases
Fret Drill
- Weekly Plan7 Days trial$1.997 Days
- Yearly Plan$29.991 Year
LeetLLM
No in-app purchases









