# Autochords vs 12 String Guitar Tuner The clearest difference is rating: Autochords at 4.7 against 12 String Guitar Tuner's 3.1. Autochords also leads on ads (none vs shown) and ratings volume (4.1K vs 15). 12 String Guitar Tuner's advantage is in-app purchases (none vs 4) and iOS requirement (14.1 vs 16.4). On price, review sentiment, update cadence and device support there is nothing between them. Both are free to download. Autochords sells 4 in-app purchases, starting at $0.99 per 7 days. 12 String Guitar Tuner asks for nothing beyond the download. Autochords holds the better App Store score, 4.7 against 3.1. That said, the two scores are not equally well evidenced: Autochords has 4.1K ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 84% of Autochords's written reviews are positive against 80% of 12 String Guitar Tuner's. Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively. ## The numbers | Metric | Autochords | 12 String Guitar Tuner | | --- | --- | --- | | Price | Free | Free | | Rating | **[4.7 (4.1K ratings)](https://appshunter.io/ios/app/autochords/id788423364/reviews)** | [3.1 (15 ratings)](https://appshunter.io/ios/app/12-string-guitar-tuner/id1576080921/reviews) | | Number of ratings | **4.1K** | 15 | | Positive reviews | **83.7% of reviews** | 80.0% of reviews | | In-app purchases | Yes | **No** | | Ads | **No** | Yes | | Update frequency | Every 2 months | Every 2 months | | Monetization | Free with in-app purchases | **Ad-supported** | | Size | 28 MB | 15 MB | | Requires iOS | 16.4 | **14.1** | | Devices | iPhone, iPad | **iPhone, iPad, iPod** | | Age rating | +4 | 4+ | | Developer | [Astrocode Pty Ltd](https://appshunter.io/developer/1040321800) | [William Newcombe](https://appshunter.io/developer/1215031696) | ## What reviewers say ### Autochords [App page](https://appshunter.io/ios/app/autochords/id788423364) This app serves as a songwriting aid, offering chord progressions and musical inspiration. It allows users to explore different moods and instruments like guitar, piano, and ukulele to find the perfect sound for their songs. Advanced features are available through an in-app purchase. **Highlights:** Chord progression generation by mood, Guitar, piano, and ukulele chord diagrams, Listen to progressions on chosen instruments, Play along to full progressions, Alternative progression suggestions, Customizable progressions (PRO) **Features:** Vision Pro support **In-app purchases (4)** | Purchase | Price | Billing | | --- | --- | --- | | PRO Weekly | $0.99 | per 7 days | | PRO Monthly | $2.99 | per month | | PRO Annual | $12.99 | per year | | PRO Lifetime | $29.99 | one-time | **What reviewers like** - 👍 Excellent app and developer - 👍 Great app for music creation or chord learning - 👍 Helpful for songwriting and finding chord progressions - 👍 Useful for practicing chords and progressions - 👍 Simple and easy to use interface **What reviewers complain about** - 🔒 Certain chords not available for custom builder - 🐛 App freezes up every time user opens it - 🔒 Limited to only 4 chords in a progression - 🔒 No option to change time signature or add multiple bars - 🔒 No piano chord inversions, only root position chords **Reported bugs** - App freezes up when opened - Chord progressions don't sound as intended for some moods **Requested features** - Add augmented chords and more chord variations - Allow creating progressions with more than 4 chords - Incorporate different time signatures beyond 4/4 - Add chord inversions and more chord types (7ths, 9ths, etc.) - Expand chord library beyond just diatonic chords ### 12 String Guitar Tuner [App page](https://appshunter.io/ios/app/12-string-guitar-tuner/id1576080921) Easily tune your 12-string guitar using your device's microphone. Discover and experiment with various new tunings to enhance your musical exploration. **Highlights:** Microphone-based tuning, Accurate pitch detection, Explore new tunings, Simple utility interface **Features:** macOS Compatibility, Vision Pro support **In-app purchases:** none ## Frequently asked questions ### Is Autochords free? Autochords is free to download, with in-app purchases available. ### Is 12 String Guitar Tuner free? 12 String Guitar Tuner is free to download, with no in-app purchases. ### Which has better reviews, Autochords or 12 String Guitar Tuner? Autochords is rated higher. Autochords averages 4.7 out of 5 from 4.1K ratings, while 12 String Guitar Tuner averages 3.1 from 15 ratings. ### Do Autochords or 12 String Guitar Tuner have ads? 12 String Guitar Tuner shows ads; Autochords does not. ### Which is updated more often, Autochords or 12 String Guitar Tuner? Autochords ships an update every 2 months, and 12 String Guitar Tuner every 2 months. Most recently, Autochords was updated on November 1, 2026 and 12 String Guitar Tuner on November 3, 2026. --- *Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*