# TUNIC Guitar Tuner — For professional guitarists > Specialized guitar tuner featuring StopperStimmung for precise, clear instrument tuning. (iPhone/iPad app by Patrick Sebastian Stopper.) - Source: https://appshunter.io/ios/app/tunic-guitar-tuner/id6443751695 (this page in markdown: same URL + `.md`) - Developer: [Patrick Sebastian Stopper](https://appshunter.io/developer/1635946380) - Category: Music, Utilities - Price: $0.99 (on sale, was $4.99) - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 9.0 · 3 MB - Languages: American English - Released: 2022-10-09 - Data updated: 2026-08-26 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/tunic-guitar-tuner/id6443751695/reviews.md ## What is TUNIC Guitar Tuner? The TUNIC Guitar Tuner, exclusively features StopperStimmung, a slightly stretched tuning invented by the German piano maker Bernhard Stopper in 1988. It creates an amazing and clear sound on your instrument by the tunings stunning structural symmetry, making chords to appear as being pure tuned. FEATURES:  Provides variable pitch (415-460 Hz), a selection of common open tuning templates (Classic, Classic half step down, Open E, Open G, Open D, Open C, DADGAD, Dropped D, Dobro) and highest sensitivity (until 0.012 cent resolution). Capo use on fret 1-5 supported, what also allows verification of saddle compensation for optimal nut height / nut distance on fret 1. SOUND EXAMPLE: Listen to Thomas Maos´ Dobro guitar on the music album "Larger Than Life" (Silent Art Orchestra), which was tuned with TUNIC Guitar: http://itunes.apple.com/WebObjects/MZStore.woa/wa/viewAlbum?id=315192140&s=143443 HOW TO USE: To change the pitch, tap on the buttons above the '440.0' and edit its value as desired. Green position indicator: Fine tuning resolution: 0.025 cent (0.012 cent for iPhone 4 and above) in a visible range of +-5 cent Yellow position indicator: Coarse tuning resolution: 0.25 cent (0.012 cent for iPhone 4 and above) in a visible range of +-50 cent Pluck the string to be tuned about one time per second, while muting the other strings. To handle the fine tuning indicator on this extreme precision level, measure the pitch by very small or no string tension changes. This requires some experience even for professionals but is honoured by an uncomparable sound experience. Always tune your instrument in 2-3 cycles, as every change of one string affects the other strings. Tune your instrument often to achieve a good tuning stability. Pluck the string with a plectrum to produce an overtone rich sound with the microphone close to the instrument. TERMS OF USE:  https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ ## Key features - StopperStimmung unique tuning system - Variable pitch (415-460 Hz) - Selection of common open tunings - High sensitivity tuning (0.012 cent resolution) - Capo support (fret 1-5) - Saddle compensation verification ## Chart rankings - #184 in Top Paid · Music (US App Store) ## Frequently asked questions about TUNIC Guitar Tuner ### What is StopperStimmung in TUNIC Guitar Tuner? StopperStimmung is a unique tuning system invented by Bernhard Stopper, designed to create an exceptionally clear and pure sound on your instrument through its structural symmetry. This method makes chords sound as if they are perfectly tuned. ### What tunings are available in TUNIC Guitar Tuner? TUNIC Guitar Tuner offers a selection of common open tuning templates, including Classic, Classic half step down, Open E, Open G, Open D, Open C, DADGAD, Dropped D, and Dobro. It also supports variable pitch adjustments from 415-460 Hz. ### How precise is the tuning in TUNIC Guitar Tuner? The app boasts high sensitivity with a fine tuning resolution of 0.025 cent (0.012 cent for iPhone 4 and above) in a visible range of +-5 cent. For coarse tuning, the resolution is 0.25 cent in a range of +-50 cent. ### Can TUNIC Guitar Tuner be used with a capo? Yes, TUNIC Guitar Tuner supports capo use on frets 1-5. This feature also allows for verification of saddle compensation, which is crucial for optimal nut height and nut distance on fret 1. ### How often is TUNIC Guitar Tuner updated? The app was last updated on January 2, 2025, indicating regular maintenance and potential feature additions. The latest version available is 1.1. ### What devices is TUNIC Guitar Tuner compatible with? TUNIC Guitar Tuner is designed for use on iPhone, iPad, and iPod devices. It is suitable for users aged 4 and up. ### What is the price of TUNIC Guitar Tuner? TUNIC Guitar Tuner is a paid application, available for purchase at $0.99. There are no in-app purchases or advertisements within the app. ### Does TUNIC Guitar Tuner have ads? No, TUNIC Guitar Tuner does not contain advertisements. It is a paid application that offers an ad-free experience for its users. ## Version history (last 3 releases) ### 1.1 — 2025-01-02 TUNIC Guitar now is compatible with iOS 18.0 and higher. ### 1.0.1 — 2022-10-11 Version 1.0.1: Updated description in section "HOW TO USE". ### 1.0 — 2022-10-09 No release notes. ## Apps similar to TUNIC Guitar Tuner | App | Rating | Price | Category | | --- | --- | --- | --- | | [CMP Grand Piano](https://appshunter.io/ios/app/cmp-grand-piano/id566874816) | 4.2 (15) | $14.99 | Music | | [Multiband Haas Effect](https://appshunter.io/ios/app/multiband-haas-effect/id1526429747) | 4.0 (5) | $5.99 | Music | | [FLAC Player](https://appshunter.io/ios/app/flac-player/id390532592) | 2.7 (18) | $9.99 | Music | | [UniTuner Pro - Chromatic Tuner](https://appshunter.io/ios/app/unituner-pro-chromatic-tuner/id6741528331) | 5.0 (1) | $7.99 | Music | | [Soniq Viewer](https://appshunter.io/ios/app/soniq-viewer/id448343005) | 5.0 (1) | $1.99 | Music | | [Well Tempered](https://appshunter.io/ios/app/well-tempered/id303514313) | 3.5 (2) | $4.99 | Music | ## More apps by Patrick Sebastian Stopper - [OnlyPure Piano Tuner](https://appshunter.io/ios/app/onlypure-piano-tuner/id1635946378) - [TUNIC Unisono](https://appshunter.io/ios/app/tunic-unisono/id6443529669) All apps by Patrick Sebastian Stopper: https://appshunter.io/developer/1635946380 --- *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 2026-08-26.*