If you already know Guitar Tuner!, this is the deeper bench. 4+ peter deelstra apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.
This app provides an accurate audio and visual guitar tuner with a simple interface. It helps you see pitch changes in real-time and shows how many cents a note is out of tune. Supports standard and alternate tunings.
What We Love
👍 Easy to use
🚀 Quick way to check tuning
🎨 Excellent design and performance
💯 Accurate and precise
🎸 Works great for guitars and other instruments
🔍 Helpful visual feedback
📚 Lots of tuning options and settings
Room to Improve
🐛 Occasionally stops working or freezes
🔊 Struggles to pick up certain strings (e.g. low E)
Create and play a wide range of audio tones with adjustable frequencies and waveforms. Generate up to 12 simultaneous tones with individual volume control. Modify tones in real-time for versatile sound generation.
Guitar Tuner! tops our peter deelstra apps ranking as of September 2026, with a 4.8-star average from 355 App Store ratings, and it's priced at $2.99.
Are there free peter deelstra apps for iPhone?
Yes — 1 of the top peter deelstra apps we rank are free to download, including Fobourg.
Does Guitar Tuner! have ads or in-app purchases?
Guitar Tuner! has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
How many peter deelstra apps are on the App Store?
We track 4+ peter deelstra apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
What does this guitar tuner app do?
This app provides an accurate audio and visual tuner for your guitar. It features a simple interface to visually check if a string's pitch is too high or low, allowing you to see pitch changes as you adjust the tuning machines. It also shows the exact deviation in cents.
What are the key features of this guitar tuner?
Key features include extreme accuracy within 1 cent with sub-second response, support for standard tuning (E-A-D-G-B-E) and numerous alternate tunings like Drop D and Open C. It also allows for adjustable pitch reference from 400 to 480 Hz and a tap-to-hear function for tuning by ear.
