# PD Space Guitar Synthesizer 2 vs StringLab

The clearest difference is rating: PD Space Guitar Synthesizer 2 at 4.8 against StringLab's 4.3. PD Space Guitar Synthesizer 2 also leads on review sentiment (78% vs 63%) and price ($12.99 vs $14.99). StringLab's advantage is update cadence (every 10 days vs every 14 months). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

PD Space Guitar Synthesizer 2 costs $12.99 and StringLab $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PD Space Guitar Synthesizer 2 holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 16 and 15 respectively. Written reviews point the same way: 78% of PD Space Guitar Synthesizer 2's written reviews are positive against 63% of StringLab's.

PD Space Guitar Synthesizer 2 ships an update every 14 months, StringLab every 10 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | PD Space Guitar Synthesizer 2 | StringLab |
| --- | --- | --- |
| Price | **$12.99** | $14.99 |
| Rating | **[4.8 (16 ratings)](https://appshunter.io/ios/app/pd-space-guitar-synthesizer-2/id1545446186/reviews)** | [4.3 (15 ratings)](https://appshunter.io/ios/app/stringlab/id6461312318/reviews) |
| Number of ratings | **16** | 15 |
| Positive reviews | **77.8% of reviews** | 62.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 10 days** |
| Monetization | Paid | Paid |
| Size | 27 MB | 45 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Paul Driessen](https://appshunter.io/developer/1534012508) | [4Pockets.com](https://appshunter.io/developer/370131860) |

## What reviewers say

### PD Space Guitar Synthesizer 2

[App page](https://appshunter.io/ios/app/pd-space-guitar-synthesizer-2/id1545446186)

Create unique guitar sounds with a powerful synthesizer featuring polyphonic waves, pitchshifting, modulation, and advanced effects. Explore futuristic and classic tones, and control parameters with external pedals. Requires an audio interface for instrument connection.

**Highlights:** Polyphonic pitch shifter, Waveshaper and modulation, Harmonizer modes, Amp with EQ and overdrive, Modulator with chorus, phaser, Multi-tap delay, Cabinet IR speaker simulation, Remote control functions

**In-app purchases:** none


### 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


## Frequently asked questions

### Is PD Space Guitar Synthesizer 2 free?

PD Space Guitar Synthesizer 2 costs $12.99, with no in-app purchases.

### Is StringLab free?

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

### Which has better reviews, PD Space Guitar Synthesizer 2 or StringLab?

PD Space Guitar Synthesizer 2 is rated higher. PD Space Guitar Synthesizer 2 averages 4.8 out of 5 from 16 ratings, while StringLab averages 4.3 from 15 ratings.

### Do PD Space Guitar Synthesizer 2 or StringLab have ads?

Neither PD Space Guitar Synthesizer 2 nor StringLab shows ads.

### Which is updated more often, PD Space Guitar Synthesizer 2 or StringLab?

PD Space Guitar Synthesizer 2 ships an update every 14 months, and StringLab every 10 days. Most recently, PD Space Guitar Synthesizer 2 was updated on November 3, 2026 and StringLab on November 4, 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.*