# StringLab vs Pure Strings Instrument & AUv3

The clearest difference is price: StringLab at $14.99 against Pure Strings Instrument & AUv3's $29.99. StringLab also leads on update cadence (every 10 days vs every 3 months) and iOS requirement (13.0 vs 16). Pure Strings Instrument & AUv3's advantage is rating (4.8 vs 4.3) and review sentiment (70% vs 57%). On ads, in-app purchases, monetization model and device support there is nothing between them.

StringLab costs $14.99 and Pure Strings Instrument & AUv3 $29.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Pure Strings Instrument & AUv3 holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 15 and 54 respectively. Written reviews point the same way: 57% of StringLab's written reviews are positive against 70% of Pure Strings Instrument & AUv3's.

StringLab ships an update every 10 days, Pure Strings Instrument & AUv3 every 3 months. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | StringLab | Pure Strings Instrument & AUv3 |
| --- | --- | --- |
| Price | **$14.99** | $29.99 |
| Rating | [4.3 (15 ratings)](https://appshunter.io/ios/app/stringlab/id6461312318/reviews) | **[4.8 (54 ratings)](https://appshunter.io/ios/app/pure-strings-instrument-and-auv3/id6743003730/reviews)** |
| Number of ratings | 15 | **54** |
| Positive reviews | 57.1% of reviews | **69.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 months |
| Monetization | Paid | Paid |
| Size | 45 MB | 878 MB |
| Requires iOS | **13.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [4Pockets.com](https://appshunter.io/developer/370131860) | [e-instruments lab GmbH](https://appshunter.io/developer/1336486617) |

## What reviewers say

### StringLab

[App page](https://appshunter.io/ios/app/stringlab/id6461312318)

This app is a digital synthesizer that uses physical string modeling to recreate the sounds of various instruments, particularly plucked or hammered strings. It allows users to explore acoustic physics and create unique instrument textures through extensive parameter experimentation.

**Highlights:** Karplus-Strong physical modeling, Exciter Impact and Noise modes, Resonator objects with feedback, Frequency Dispersion support, External live input, Preset randomizer and manager, Drag & Drop preset export

**In-app purchases:** none


### Pure Strings Instrument & AUv3

[App page](https://appshunter.io/ios/app/pure-strings-instrument-and-auv3/id6743003730)

Transform your device into a professional string instrument with a wide array of articulations and textures. Explore and shape sounds using an intuitive touch interface, or integrate it into your favorite music production software.

**Highlights:** Interactive Morphpad for sound blending, Nine sampled string articulations, Standalone and AUv3 plugin compatibility, Extensive MIDI connectivity, Built-in arpeggiator, EQ, reverb, and delay effects

**In-app purchases:** none


## Frequently asked questions

### Is StringLab free?

StringLab costs $14.99, with no in-app purchases.

### Is Pure Strings Instrument & AUv3 free?

Pure Strings Instrument & AUv3 costs $29.99, with no in-app purchases.

### Which has better reviews, StringLab or Pure Strings Instrument & AUv3?

Pure Strings Instrument & AUv3 is rated higher. StringLab averages 4.3 out of 5 from 15 ratings, while Pure Strings Instrument & AUv3 averages 4.8 from 54 ratings.

### Do StringLab or Pure Strings Instrument & AUv3 have ads?

Neither StringLab nor Pure Strings Instrument & AUv3 shows ads.

### Which is updated more often, StringLab or Pure Strings Instrument & AUv3?

StringLab ships an update every 10 days, and Pure Strings Instrument & AUv3 every 3 months. Most recently, StringLab was updated on October 20, 2026 and Pure Strings Instrument & AUv3 on October 24, 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.*