# StringMaster Pro vs iDousyn Lite

The clearest difference is price: iDousyn Lite at Free against StringMaster Pro's $14.99. iDousyn Lite also leads on ratings volume (700 vs 20). StringMaster Pro's advantage is in-app purchases (none vs 1) and ads (none vs shown). On rating, update cadence and device support there is nothing between them.

iDousyn Lite is free to download; StringMaster Pro costs $14.99 up front. iDousyn Lite sells 1 one-off in-app purchase. StringMaster Pro asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for StringMaster Pro against 4.4 for iDousyn Lite. That said, the two scores are not equally well evidenced: iDousyn Lite has 700 ratings behind it against 20, so its average is the more settled of the two. Written reviews are what separate them: 67% of StringMaster Pro's written reviews are positive against 36% of iDousyn Lite's.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | StringMaster Pro | iDousyn Lite |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | **[4.5 (20 ratings)](https://appshunter.io/ios/app/stringmaster-pro/id972426361/reviews)** | [4.4 (700 ratings)](https://appshunter.io/ios/app/idousyn-lite/id992557221/reviews) |
| Number of ratings | 20 | **700** |
| Positive reviews | **66.7% of reviews** | 36.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 171 MB | 67 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPad, Mac | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Great Apptitude Pty Ltd](https://appshunter.io/developer/1519213669) | [Jorge Lozada](https://appshunter.io/developer/421852863) |

## What reviewers say

### StringMaster Pro

[App page](https://appshunter.io/ios/app/stringmaster-pro/id972426361)

This advanced music app helps musicians of all levels learn and master fretted instruments. It offers tools for chords, scales, songwriting, and includes a tuner and fretboard learning system. Supports a wide range of instruments and integrates with wireless Fretlight Guitars.

**Highlights:** Chord building and detection, Fretboard learning system, Advanced songwriting tools, Chromatic tuner and metronome, Instrument comparison, MIDI output

**In-app purchases:** none


### iDousyn Lite

[App page](https://appshunter.io/ios/app/idousyn-lite/id992557221)

This app transforms your device into a versatile musical instrument, offering a wide range of high-quality sounds and intuitive tools for creating melodies and harmonies. Explore authentic pianos, basses, guitars, and more with innovative features like Chord Pads and DSP effects.

**Highlights:** 8-Octave Virtual Keyboard, Chord Pads with Strum Options, High-Fidelity Oscillators, DSP Effects (Reverb, Delay, EQ), Dual-Channel Sound Blending, MIDI Controller Support, Export to WAV, AIFF, CAF, M4A

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |

**What reviewers like**

- 🎵 High quality sounds
- 👍 Well-designed GUI layout

**What reviewers complain about**

- 📢 Excessive ads and pop-ups
- ⏱️ High latency and slow keyboard response
- 🔄 Intrusive review prompts interrupting usage
- 🎹 Instrument switching bug causing audio overlap

**Reported bugs**

- Piano audio continues playing when switching to other instruments
- App locks up until user submits a review
- Frequent pop-ups and ads interrupt functionality

**Requested features**

- Ringtone customization options


## Frequently asked questions

### Is StringMaster Pro free?

StringMaster Pro costs $14.99, with no in-app purchases.

### Is iDousyn Lite free?

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

### Which has better reviews, StringMaster Pro or iDousyn Lite?

StringMaster Pro is rated higher. StringMaster Pro averages 4.5 out of 5 from 20 ratings, while iDousyn Lite averages 4.4 from 700 ratings.

### Do StringMaster Pro or iDousyn Lite have ads?

iDousyn Lite shows ads; StringMaster Pro does not.

### Which is updated more often, StringMaster Pro or iDousyn Lite?

StringMaster Pro ships an update every 3 months, and iDousyn Lite every 3 months. Most recently, StringMaster Pro was updated on October 24, 2026 and iDousyn Lite on October 29, 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.*