# StringMaster Lite vs Derive

The clearest difference is review sentiment: StringMaster Lite at 79% against Derive's 37%. StringMaster Lite also leads on rating (4.9 vs 4.3) and monetization model (free with in-app purchases vs subscription). Derive's advantage is update cadence (every 3 days vs every 6 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. StringMaster Lite sells 4 one-off in-app purchases and Derive sells 7 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

StringMaster Lite holds the better App Store score, 4.9 against 4.3. Both are backed by a comparable volume of ratings — 24 and 26 respectively. Written reviews point the same way: 79% of StringMaster Lite's written reviews are positive against 37% of Derive's.

StringMaster Lite ships an update every 6 months, Derive every 3 days. The most recent releases landed on October 23, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | StringMaster Lite | Derive |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (24 ratings)](https://appshunter.io/ios/app/stringmaster-lite/id605222142/reviews)** | [4.3 (26 ratings)](https://appshunter.io/ios/app/derive-handwritten-math-notes/id6763991536/reviews) |
| Number of ratings | 24 | **26** |
| Positive reviews | **78.6% of reviews** | 36.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 165 MB | 81 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPad, Mac | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Great Apptitude Pty Ltd](https://appshunter.io/developer/1519213669) | [Derive Notes Pty Ltd](https://appshunter.io/developer/1895589672) |

## What reviewers say

### StringMaster Lite

[App page](https://appshunter.io/ios/app/stringmaster-lite/id605222142)

Learn guitar fretboards quickly with this educational tool. It offers sophisticated chord tools and can be upgraded to support more instruments and advanced features like MIDI playback and songwriting.

**Highlights:** Guitar fretboard learning, Chord tools, Supports multiple instruments (via IAP), MIDI playback (via IAP), Songwriting capability (via IAP)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Metronome and Tuner | $3.99 | one-time |
| Fretlight Guitar Support | $3.99 | one-time |
| Enable All Instruments | $3.99 | one-time |
| StringMaster Pro Upgrade | $14.99 | one-time |


### Derive

[App page](https://appshunter.io/ios/app/derive-handwritten-math-notes/id6763991536)

This app provides an infinite canvas for handwritten math and science notes. It uses AI to recognize your handwriting, offering a live tutor for step-by-step assistance directly within your notes. Organize your work into notebooks that sync across devices.

**Highlights:** Infinite canvas for note-taking, Handwritten math recognition, Live AI tutor for step-by-step help, Notebook and page organization, Cross-device syncing, Light, dark, and sepia themes

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Derive Pro (Monthly, student) | $8.99 | per month |
| Derive Pro (Monthly) | $9.99 | per month |
| Derive Pro (Monthly, invited) | $9.99 | per month |
| Derive Pro (Annual) | $50.00 | per year |
| Derive Pro (Yearly, student) | $75.00 | per year |
| Derive Pro (Annual) | $83.90 | per year |
| Derive Pro (Annual, invited) | $83.90 | per year |


## Frequently asked questions

### Is StringMaster Lite free?

StringMaster Lite is free to download, with in-app purchases available.

### Is Derive free?

Derive is free to download, with in-app purchases available.

### Which has better reviews, StringMaster Lite or Derive?

StringMaster Lite is rated higher. StringMaster Lite averages 4.9 out of 5 from 24 ratings, while Derive averages 4.3 from 26 ratings.

### Do StringMaster Lite or Derive have ads?

Neither StringMaster Lite nor Derive shows ads.

### Which is updated more often, StringMaster Lite or Derive?

StringMaster Lite ships an update every 6 months, and Derive every 3 days. Most recently, StringMaster Lite was updated on October 23, 2026 and Derive on October 31, 2026.

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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.*