# METRO X: Metronome & Pro Tuner — Sync beats & read sheet music > All-in-one metronome, tuner, and sheet music library for musicians. (iPhone/iPad app by 515, LLC.) - Source: https://appshunter.io/ios/app/metro-x-metronome-and-pro-tuner/id6747029945 (this page in markdown: same URL + `.md`) - Developer: [515, LLC](https://appshunter.io/developer/1819462884) - Category: Music, Utilities - Price: Free with in-app purchases - Rating: 4.20/5 from 5 App Store ratings · 4 written reviews indexed - Age rating: 4+ - Requires: iOS 15.1 · 126 MB - Languages: English - Released: 2025-08-18 - Data updated: 2026-07-04 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/metro-x-metronome-and-pro-tuner/id6747029945/reviews.md ## What is METRO X? METRO X: The Professional Metronome, Tuner & Sheet Music Reader Practice with your sheet music, metronome, and tuner — all in one place. No switching apps. No interruptions. Elevate your practice with METRO X, the all-in-one professional toolkit for musicians who demand precision and simplicity. Whether you are a beginner learning your first chords or a pro mastering complex scores, METRO X provides a seamless experience for staying in time, staying in tune, and managing your sheet music library. Combining a precision metronome engine, a cent-level accurate guitar tuner, and a robust PDF sheet music reader, METRO X is the only music app you need. From solo rehearsals to synchronized ensemble practice, our patent-pending SYNC technology keeps your entire band on the same beat. --- THE BEAT MODULE: PRO METRONOME & RHYTHM TRAINER --- Never miss a beat with our ultra-fast metronome engine, engineered for ±1ms latency. It’s more than just a simple metronome; it’s a comprehensive rhythm training tool. • Precise Tempo Control: Adjustable range from 50 to 600 BPM (beats per minute). • Unique Orb Visuals: Innovative visual cues that help you anticipate the downbeat and stay in the groove. • Advanced Customization: Choose from various metronome sounds and customize time signatures and subdivisions (triplets, sixteenth notes, and more). • Rhythm Mastery: Perfect for drummers, guitarists, and piano players looking to improve their timing and tempo. --- THE NOTE MODULE: SHEET MUSIC PDF & SCORE LIBRARY --- Ditch the paper and digitize your scores with our powerful sheet music viewer and PDF library. • Organize & Favorite: Import your PDF scores in seconds and keep your sheet music library organized by genre, instrument, or performance set. • Distraction-Free Reading: Switch to fullscreen mode for a clean, focused reading experience. • Integrated Practice: Access the metronome and tuner without leaving the sheet music view – the ultimate workflow for efficient practice sessions. --- THE TUNER MODULE: ACCURATE INSTRUMENT TUNER --- Stay perfectly in tune with our high-performance chromatic tuner. Optimized for a wide variety of instruments, the METRO X tuner offers real-time pitch stability tracking. • Guitar Tuner & More: A versatile tuner for guitar, bass, ukulele tuner, violin, viola, cello, and other string instruments. • Cent-Level Accuracy: Get professional-grade precision with clear visual feedback for instant tuning. • Pitch Detection: Real-time tracking helps you identify stability and intonation issues during practice. • Instrument Support: Perfect for acoustic and electric guitar, bass, and orchestral strings. --- SYNC (Patent Pending): REAL-TIME ENSEMBLE SYNC --- Experience the future of group practice with our patent-pending synchronization technology. • Band App Connectivity: Connect multiple devices to synchronize your metronome across rooms or locations. • Infinite Connections: Ideal for small bands, large choirs, and full orchestras to stay perfectly in time together. • Private & Easy Setup: Secure connections with a simple interface, making it the perfect tool for ensemble leaders. --- WHY CHOOSE METRO X? --- • Versatile for All Musicians: Whether you play piano, guitar, drums, or strings, METRO X is tailored to your needs. • Offline Capability: Practice anywhere! The metronome, tuner, and sheet music reader work fully offline. • All-In-One: Why use separate apps for a metronome, guitar tuner free of clutter, and music reader when you can have METRO X? Improve your rhythm, perfect your pitch, and master your music with METRO X. Download today! Support: hello@metrox.app Privacy Policy: https://metrox.app/privacy-policy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Info: www.metrox.app ## Key features - Precision metronome with ±1ms latency - Sheet music PDF viewer and organizer - Cent-level accurate pitch tuner - Real-time device synchronization for ensembles - Offline functionality for core features - Score annotation and favorite options ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Pro Subscription | $3.99 | per month | | Pro Tier Annual | $34.99 | per year | ## Recent user reviews (4 of 4) All indexed reviews: https://appshunter.io/ios/app/metro-x-metronome-and-pro-tuner/id6747029945/reviews.md ### 5/5 — Great music app! *2026-05-30* Highly recommend! This is an excellent app for musicians! The interface is clean, easy to use it and has everything in it for music! ### 5/5 — Good App *2025-09-29* Simple, smooth, and reliable. Definitely my go-to app these days. **Developer response:** Thank you so much for the kind words! 🙏 We’re really glad to hear that METRO X has become your go-to app — keeping everything simple, smooth, and reliable is exactly what we aim for. We’re continuing to refine and expand features to make your practice experience even better, so your support truly means a lot. If you ever have suggestions or ideas you’d like to see in the future, feel free to share them anytime! Thanks again for using METRO X! 🎶✨ — The METRO X Team ### 5/5 — An Amazing App! *2025-09-29* If you’re a musician, student, or just someone trying to sharpen your sense of rhythm, Metro X is a solid companion. The app combines a clean, customizable metronome with a library of useful music tools, making practice sessions more productive and less frustrating. The metronome offers flexible tempo ranges, time signatures, and even subdivision options, which are super handy for practicing tricky rhythms. The ability to change the sound (from clicks to digital beeps or woodblock tones) keeps it from becoming boring over long sessions. Beyond the basics, the app includes extras like a tuner and a simple practice tracker, which helps you stay consistent and see progress over time. The interface is intuitive, so even beginners can get started quickly without confusion. As a musician myself, I have tried this and it is so amazing! It has countless features that you can use while practicing and the app itself is so fun to use. I think that it is a must have tool if you are a musician. **Developer response:** Thank you so much for the incredible review! 🙏🎶 We’re truly grateful that you took the time to share such detailed feedback, and it means a lot to hear that METRO X has become a helpful companion in your practice sessions. We designed the metronome, tuner, and practice tools with musicians of all levels in mind, so knowing that you find them flexible, intuitive, and enjoyable really encourages our team. We’re especially glad the customization options and rhythm features are making your practice more productive and less frustrating — that’s exactly what we hoped for. We’re continuing to improve METRO X and add even more powerful tools for musicians, so your support motivates us to keep pushing forward. If you ever have ideas or features you’d love to see, we’re always happy to hear from you! Thank you again for the amazing encouragement — and happy practicing! 🎵✨ — The METRO X Team ### 5/5 — A Must-Have Music App! *2025-09-29* This app has quickly become one of the best tools for practicing and enjoying music. The built-in metronome is accurate and easy to use, which makes it perfect for keeping time whether you’re a beginner or advanced player. Beyond that, the app comes packed with other thoughtful features that make practice sessions smoother, more efficient, and more fun. The design is clean and intuitive, so it doesn’t take long to find what you need. Whether you’re rehearsing alone, playing with a group, or just wanting to improve your timing, this app provides all the essentials in one place. It’s clear a lot of care went into building it, and it shows! I highly recommend it for anyone who wants a reliable, all-in-one music practice tool. **Developer response:** Thank you so much for your amazing review! 🙏✨ We’re thrilled to hear that METRO X has become such a helpful part of your music practice routine. Our team put a lot of care into building the metronome, tuning tools, and practice features so musicians of all levels can enjoy a smooth, reliable experience — so it means a lot to hear that it’s working well for you. We’re constantly improving METRO X and adding new features, and feedback like yours truly motivates us to keep pushing forward. If you ever have suggestions or ideas that would make your practice sessions even better, feel free to share them with us anytime! Thanks again for your support — and happy practicing! 🎶🔥 — The METRO X Team ## Frequently asked questions about METRO X ### Does METRO X have ads? Yes, METRO X contains advertisements. These ads help support the development and maintenance of the app's features. ### What is the price of METRO X? METRO X is free to download and use for its core features. There are optional Pro Subscription plans available for $3.99/month with a 14-day free trial, or $34.99/year. ### What devices does METRO X support? METRO X is available on iPhone, iPad, and iPod. It is designed to work across these Apple devices. ### How often is METRO X updated? The latest version of METRO X was released on March 27, 2026. Updates typically include new features, bug fixes, and performance improvements. ### What is the age rating for METRO X? METRO X has an age rating of 4+. This indicates it is suitable for users of all ages, with no mature content. ### Can I use METRO X offline? Yes, METRO X works offline for its metronome, tuner, and sheet music library features. This allows for practice even without an internet connection. ### How does METRO X sync across devices? METRO X uses patent-pending SYNC technology to connect multiple devices for synchronized ensemble practice. This feature supports infinite connections for bands, choirs, and orchestras, offering a private and secure setup. ### What instruments is the METRO X tuner optimized for? The METRO X tuner is optimized for a wide range of string instruments, including violin, viola, cello, and bass. It is also versatile enough for tuning other instruments with clear, responsive visual feedback. ## Version history (last 5 releases) ### 1.2.2 — 2026-06-23 • Improved PDF page navigation for a smoother and more responsive viewing experience. • PDF browsing performance enhancements and usability improvements. • Various bug fixes and stability improvements. ### 1.1.9 — 2026-05-15 Fixed volume change issues in joined rooms Joining a room no longer interrupts the beat for the host or other connected devices Fixed an issue where already-created rooms would sometimes not appear ### 1.1.8 — 2026-05-11 Sync now visible without login — Browse sync features before signing in User Manual PDF editing — Annotate and edit directly within the app Volume slider — Real-time value display while adjusting Free users — 60-minute PDF editing session included UI fix — Volume adjustment popup alignment corrected ### 1.1.3 — 2026-03-27 Improved sound packs Fixed sound decreased issue on some devices General performance enhancements and bug fixes for a smoother METRO X experience. ### 1.1.2 — 2026-03-19 Metronome setting can be accessed from the metronome page by tapping the left top indicators of time signature and subdivisions. Improved the sound quality General performance enhancements and bug fixes for a smoother METRO X experience. ## Apps similar to METRO X | App | Rating | Price | Category | | --- | --- | --- | --- | | [connect metronome](https://appshunter.io/ios/app/connect-metronome/id6463471537) | 5.0 (3) | Free | Music | | [Tempo to Go](https://appshunter.io/ios/app/tempo-to-go/id6752456180) | — | Free | Music | | [Metronome Tuner X: Pro Guitar](https://appshunter.io/ios/app/metronome-tuner-x-pro-guitar/id6752239060) | 4.8 (6) | Free | Music | | [Ultimate Drum Tune](https://appshunter.io/ios/app/ultimate-drum-tune/id6458534300) | 3.8 (20) | $9.99 | Music | | [everBeat - The Metronome App](https://appshunter.io/ios/app/everbeat-the-metronome-app/id1435179763) | — | Free | Music | | [Metronome: BPM & Practice](https://appshunter.io/ios/app/metronome-bpm-and-practice/id6748179477) | — | Free | Music | ## More apps by 515, LLC - [UVUV](https://appshunter.io/ios/app/uvuv/id6748020701) All apps by 515, LLC: https://appshunter.io/developer/1819462884 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-04.*