# Theory Lessons vs String Position Pro

The clearest difference is rating: String Position Pro at 5.0 against Theory Lessons's 4.4. String Position Pro also leads on update cadence (weekly vs every 4 months) and review sentiment (100% vs 83%). Theory Lessons's advantage is ratings volume (126 vs 1) and chart position (#14 vs #156). On ads, in-app purchases and device support there is nothing between them.

Theory Lessons costs $2.99 and String Position Pro $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

String Position Pro holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Theory Lessons has 126 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 83% of Theory Lessons's written reviews are positive against 100% of String Position Pro's.

Theory Lessons ships an update every 4 months, String Position Pro weekly. The most recent releases landed on September 22, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Theory Lessons | String Position Pro |
| --- | --- | --- |
| Price | **$2.99** | $4.99 |
| Rating | [4.4 (126 ratings)](https://appshunter.io/ios/app/theory-lessons/id493157418/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/string-position-pro/id6711332153/reviews)** |
| Number of ratings | **126** | 1 |
| Positive reviews | 83.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | **Free** | Paid |
| Best chart rank | **#14** | #156 |
| Size | 4 MB | 206 MB |
| Requires iOS | 15.8 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [musictheory.net](https://appshunter.io/developer/459313479) | [Lachlan Dent](https://appshunter.io/developer/1760494001) |

## What reviewers say

### Theory Lessons

[App page](https://appshunter.io/ios/app/theory-lessons/id493157418)

**Currently charting:** #14 Top Paid · Music (US App Store)

Explore 39 animated music theory lessons covering fundamental concepts like scales, chords, and intervals. Deepen your understanding of musical structure and analysis with this comprehensive resource.

**Highlights:** 39 animated music theory lessons, Covers staff, clefs, and ledger lines, Explains note and rest duration, Details major and minor scales, Teaches intervals and chord inversions, Includes Roman numeral analysis, Features musical analysis examples

**In-app purchases:** none

**What reviewers like**

- 🚀 Efficient and easy to use
- 👍 Clear and concise explanations
- 💡 Helpful visual aids and animations
- 🤩 Excellent learning tool for beginners
- 🔍 Comprehensive coverage of music theory

**What reviewers complain about**

- 🐛 Audio issues on some devices
- 🔍 Limited content compared to website
- 🤔 Keyboard-centric approach may not suit non-pianists
- 💰 Paid app when website is free

**Reported bugs**

- Directional arrows and guidance symbols not working on iPad
- Text panels cut off at the bottom and unable to be resized

**Requested features**

- Add more advanced theory topics
- Incorporate practice exercises and quizzes
- Include support for other instruments beyond piano
- Integrate with the Tenuto app for a more complete experience


### String Position Pro

[App page](https://appshunter.io/ios/app/string-position-pro/id6711332153)

**Currently charting:** #156 Top Paid · Music (US App Store)

This offline practice toolkit helps violin, viola, cello, and double bass students master fingerboard positions and note recognition. It offers interactive charts, drones, scale builders, and listening flashcards with tuning support for effective and enjoyable practice.

**Highlights:** Flashcards for note recognition, Interactive fingerboard charts, Drones for intonation practice, Scale builders and interval explorer, String-specific tuners and metronome, Listening flashcards with tuning support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Theory Lessons free?

Theory Lessons costs $2.99, with no in-app purchases.

### Is String Position Pro free?

String Position Pro costs $4.99, with no in-app purchases.

### Which has better reviews, Theory Lessons or String Position Pro?

String Position Pro is rated higher. Theory Lessons averages 4.4 out of 5 from 126 ratings, while String Position Pro averages 5.0 from 1 ratings.

### Do Theory Lessons or String Position Pro have ads?

Neither Theory Lessons nor String Position Pro shows ads.

### Which is updated more often, Theory Lessons or String Position Pro?

Theory Lessons ships an update every 4 months, and String Position Pro weekly. Most recently, Theory Lessons was updated on September 22, 2026 and String Position Pro on September 15, 2026.

### Which is more popular, Theory Lessons or String Position Pro?

Theory Lessons currently peaks at #14 in the App Store charts, and String Position Pro at #156. Chart position reflects recent download velocity rather than total install base.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*