# Bass Tuner BT1 — Tune low-frequency instruments > Chromatic tuner optimized for accurate low-frequency instrument tuning. (iPhone/iPad app by Bijoy Thangaraj.) - Source: https://appshunter.io/ios/app/bass-tuner-bt1/id1433908656 (this page in markdown: same URL + `.md`) - Developer: [Bijoy Thangaraj](https://appshunter.io/developer/453056920) - Category: Music, Utilities - Price: Free - Rating: 4.60/5 from 1,619 App Store ratings · 158 written reviews indexed - Age rating: 4+ - Requires: iOS 15.0 · 56 MB - Languages: Russian, Hindi, American English, European Spanish, Korean, German (Germany), European Portuguese, Chinese (Simplified, China), French (France), Japanese - Released: 2018-09-08 - Data updated: 2026-08-30 - Monetization: ad-supported - User reviews in markdown: https://appshunter.io/ios/app/bass-tuner-bt1/id1433908656/reviews.md ## What is Bass Tuner BT1? Bass Tuner BT1 is a chromatic tuner, offering precision tuning for low-frequency instruments like bass guitar, double bass, cello, bassoon, bass clarinet, bass trombone, bass saxophone, and more. This tuner is specifically built to handle the unique challenges of accurately detecting low-pitched notes. Bass Tuner BT1 combines a powerful tuning algorithm with an intuitive interface, delivering the ultimate tuning experience for bass-range musical instruments. Key Features: • Low-Frequency Optimization: Unlike standard tuners, Bass Tuner BT1 is designed to detect deep bass frequencies as low as A0 (27.5 Hz), making it ideal for tuning any bass instrument, from 4-string and 5-string bass guitars to wind and orchestral instruments. • Extreme Accuracy: Tune with confidence! Bass Tuner BT1 provides precision tuning with an accuracy of ±0.1 cents, making it a perfect tool for professional musicians who need their instruments to be perfectly in tune for studio recordings, live performances, and practice sessions. • Real-Time Pitch Detection: As you play, Bass Tuner BT1 instantly displays the current note, its frequency, and its deviation from the target pitch. This real-time feedback ensures you can tune to perfection every time. • Visual Pitch Graph: Gain a deeper understanding of your tuning stability with the live pitch graph, which visualizes your pitch over time, showing fluctuations and helping you achieve consistent, accurate tuning. • Tone Generator: Bass Tuner BT1 includes a tone generator that produces reference tones across a 3-octave range, perfect for those who prefer tuning by ear or need a reference pitch for tuning multiple instruments. • Custom A₄ Frequency: Set a custom A₄ frequency to suit your needs, whether you're playing baroque music or experimenting with alternate tunings. Bass Tuner BT1 allows you to tune to non-standard pitch values with ease. Why Bass Tuner BT1? Most standard tuners are designed for mid-range instruments, leaving bass musicians with inaccurate readings when trying to tune low-pitched notes. Bass Tuner BT1 solves this problem by focusing specifically on low frequencies, offering unmatched accuracy for bass instruments. Whether you’re a professional performer, a student, or a casual player, Bass Tuner BT1 makes it easier than ever to get your instrument perfectly in tune. Bass Tuner BT1 is extremely helpful in: • Live Performances: Quickly tune on stage with real-time feedback and extreme accuracy. • Studio Recording: Achieve pitch-perfect results with the high-precision tuning algorithm. • Practice: Visualize your pitch stability and improve your tuning accuracy using the pitch graph. Get the Best Tuning Experience: With a user-friendly interface and responsive design, Bass Tuner BT1 ensures you spend less time tuning and more time playing. Whether you’re tuning at home, in the studio, or on stage, this tuner provides the tools you need for fast, reliable tuning in any environment. Download Bass Tuner BT1 now and experience the difference! ## Key features - Low-frequency optimization - Extreme accuracy (±0.1 cents) - Real-time pitch detection - Visual pitch graph - Tone generator - Custom A₄ frequency ## What do users think of Bass Tuner BT1? Overall sentiment: positive **Pros** - 🚀 Accurate and efficient tuning - 👍 Easy to use and intuitive - 🎨 Excellent visual feedback - 💰 Free and high-quality **Cons** - 🐛 Occasional glitches and crashes - 🔊 Picks up background noise - 🎚️ Limited range for low-end instruments - 💸 Intrusive ads in free version **Commonly reported bugs** - Inaccurate string detection - App freezes or becomes unresponsive - Compatibility issues with certain devices **Most requested features** - Ability to tune double bass and other low-end instruments - Option to disable ads in free version - Customizable settings and preferences - Ability to save and load tuning profiles ## Recent user reviews (10 of 158) All indexed reviews: https://appshunter.io/ios/app/bass-tuner-bt1/id1433908656/reviews.md ### 5/5 — It’s a bass tuner *2026-08-13, version 3.16* It’s a bass tuner ### 1/5 — Ehh *2026-08-06, version 3.16* No good ### 5/5 — Best $5 I’ve Spent for a Tuner App! *2026-07-19, version 3.16* I’ve tried all the tuner apps over the years. BT1 is the absolute best one because of it’s dead simple design. Big and easy to see whether you’re in tune, without needing to toggle through anything. Brilliant! I can’t emphasize how grest this app is and recommend buying the $5 pro version. 👏👏👏 ### 4/5 — Yes *2026-07-11, version 3.16* Good app but way to many adds and I don’t wanna pay a subscription to tune my bass and guitar so yea. Great overall ### 1/5 — I’m uninstalling this tuner *2026-06-28, version 3.16* I can’t tune anything below an F 1 ### 5/5 — tuff tuner *2026-06-19, version 3.16* super good no adds very accurate best tuner works for all instruments highly recommend ### 5/5 — Super *2026-05-18* Funktioniert einwandfrei ### 2/5 — Unstable app on iPhone 14 *2026-05-04, version 3.16* Very hard to tune using the app on iPhone. Keeps locking up, freezing when attempting to tune certain notes. ### 4/5 — Good but *2026-05-01, version 3.16* Great tuner and convenient and cool looking but the lowest note I was able to get was A0 which is not low enough for my needs ### 1/5 — Bullsh *2026-04-10, version 3.16* Not even a auto tuner tried to tune bass cgcf but it makes me do it from ear ## Frequently asked questions about Bass Tuner BT1 ### What does Bass Tuner BT1 do? Bass Tuner BT1 is a chromatic tuner specifically designed to accurately detect and tune low-frequency musical instruments. It handles instruments like bass guitars, double basses, cellos, bassoons, and more, offering precision tuning for notes as low as A0 (27.5 Hz). ### What are the key features of Bass Tuner BT1? Key features include low-frequency optimization for deep pitches, extreme accuracy of ±0.1 cents, real-time pitch detection with instant feedback, a visual pitch graph to monitor tuning stability, a tone generator for reference pitches, and the ability to set a custom A₄ frequency. ### Is Bass Tuner BT1 free to use? The application is free to download and use, but it is supported by advertisements. There are no in-app purchases mentioned for unlocking features or removing ads. ### What instruments can be tuned with Bass Tuner BT1? This tuner is ideal for a wide range of low-frequency instruments. This includes 4-string and 5-string bass guitars, double bass, cello, bassoon, bass clarinet, bass trombone, and bass saxophone, among others. ### How does Bass Tuner BT1 help with tuning? It provides unmatched accuracy for bass instruments by focusing on low frequencies, unlike standard tuners. The real-time pitch detection and visual pitch graph help users achieve perfect tuning for live performances, studio recordings, and practice sessions. ## Version history (last 5 releases) ### 3.16 — 2025-02-17 Framework and security updates. ### 3.15.1 — 2024-10-10 Framework and security updates. ### 3.15 — 2024-09-18 • Improvements to the tuning algorithm • User interface improvements • Support for additional languages ### 3.14.5 — 2024-06-25 Framework and security updates. ### 3.14.4 — 2024-06-12 Framework and security updates. ## Apps similar to Bass Tuner BT1 | App | Rating | Price | Category | | --- | --- | --- | --- | | [Guitar Tuner - Ukulele & Bass](https://appshunter.io/ios/app/guitar-tuner-ukulele-and-bass/id662890455) | 4.4 (7,464) | Free | Music | | [Bass Tuner >>](https://appshunter.io/ios/app/bass-tuner/id1471438485) | 4.2 (705) | Free | Music | | [Metronome Tuner \| Practice+](https://appshunter.io/ios/app/metronome-tuner-practice-plus/id858142974) | 4.4 (2,812) | Free | Music | | [Tuner Pro: Guitar Tuner & Tab](https://appshunter.io/ios/app/tuner-pro-guitar-tuner-and-tab/id1438248122) | 4.5 (45,065) | Free | Music | | [GuitarTuna: Tune & Play Guitar](https://appshunter.io/ios/app/guitartuna-tune-and-play-guitar/id527588389) | 4.8 (146,520) | Free | Music | | [Guitar Tuner - Simply Tune](https://appshunter.io/ios/app/guitar-tuner-simply-tune/id1573260863) | 4.8 (101,772) | Free | Music | ## More apps by Bijoy Thangaraj - [Tuner T1](https://appshunter.io/ios/app/tuner-t1/id453056916) - [Rhythm Pad Pro](https://appshunter.io/ios/app/rhythm-pad-pro/id457863522) - [Rhythm Pad](https://appshunter.io/ios/app/rhythm-pad/id504321020) - [Music Tutor Plus](https://appshunter.io/ios/app/music-tutor-plus/id507691358) - [Music Tutor (Sight-reading)](https://appshunter.io/ios/app/music-tutor-sight-reading/id514363426) - [Metronome M1 Pro](https://appshunter.io/ios/app/metronome-m1-pro/id951002984) All apps by Bijoy Thangaraj: https://appshunter.io/developer/453056920 ## Related topics [bass tuner](https://appshunter.io/ios/topics/bass-tuner) · [best tuner](https://appshunter.io/ios/topics/best-tuner) · [base tuner](https://appshunter.io/ios/topics/base-tuner) · [clarinet tuner bass](https://appshunter.io/ios/topics/clarinet-tuner-bass) · [free bass tuner](https://appshunter.io/ios/topics/free-bass-tuner) · [bass tuner bt1](https://appshunter.io/ios/topics/bass-tuner-bt1) · [free bass tuner double](https://appshunter.io/ios/topics/free-bass-tuner-double) · [tuber bass](https://appshunter.io/ios/topics/tuber-bass) · [string bass tuner](https://appshunter.io/ios/topics/string-bass-tuner) · [double bass tuner basic](https://appshunter.io/ios/topics/double-bass-tuner-basic) · [double bass tuner simple](https://appshunter.io/ios/topics/double-bass-tuner-simple) · [bass tuner bt1 pro](https://appshunter.io/ios/topics/bass-tuner-bt1-pro) · [upright bass tuner](https://appshunter.io/ios/topics/upright-bass-tuner) · [5 string bass tuner](https://appshunter.io/ios/topics/5-string-bass-tuner) · [double bass tuner](https://appshunter.io/ios/topics/double-bass-tuner) · [ultimate bass tuner](https://appshunter.io/ios/topics/ultimate-bass-tuner) · [fender bass tuner](https://appshunter.io/ios/topics/fender-bass-tuner) · [afinador de bajo gratis](https://appshunter.io/ios/topics/afinador-de-bajo-gratis) · [afinador saxofon](https://appshunter.io/ios/topics/afinador-saxofon) · [bijoy thangaraj](https://appshunter.io/ios/topics/bijoy-thangaraj) --- *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 2026-08-30.*