# StringLab vs Blofeld

The clearest difference is price: StringLab at $14.99 against Blofeld's $24.99. StringLab also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.0). Blofeld's advantage is rating (4.6 vs 4.3). On review sentiment, ratings volume, update cadence and ads there is nothing between them.

StringLab costs $14.99 and Blofeld $24.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Blofeld holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 14 and 28 respectively. Written reviews point the same way: 57% of StringLab's written reviews are positive against 62% of Blofeld's.

StringLab ships an update every 10 days, Blofeld every 3 weeks. The most recent releases landed on September 21, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | StringLab | Blofeld |
| --- | --- | --- |
| Price | **$14.99** | $24.99 |
| Rating | [4.3 (14 ratings)](https://appshunter.io/ios/app/stringlab/id6461312318/reviews) | **[4.6 (28 ratings)](https://appshunter.io/ios/app/blofeld/id6742895365/reviews)** |
| Number of ratings | 14 | **28** |
| Positive reviews | 57.1% of reviews | **62.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Paid | Paid |
| Size | 45 MB | 117 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [4Pockets.com](https://appshunter.io/developer/370131860) | [Waldorf Music](https://appshunter.io/developer/516565566) |

## 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


### Blofeld

[App page](https://appshunter.io/ios/app/blofeld/id6742895365)

Experience the classic Waldorf synthesizer sound on your iPad with this app. It offers a powerful wavetable engine for rich, expressive tones and can control hardware units. Compatible with existing soundsets and popular hosts, it brings iconic sounds to your mobile music production.

**Highlights:** Wavetable synthesis engine, AUv3 support, Hardware control, Compatible with existing soundsets, Classic Waldorf sound character

**In-app purchases:** none

**What reviewers like**

- 🚀 Great sound
- 👍 Awesome synth
- 💡 Serum wavetable import works well
- 🚀 Sounds lovely
- 👍 Brilliant synthesizer app

**What reviewers complain about**

- 🐛 UI is a bit janky
- 👎 UI doesn't scale well on iPad MINI
- 👎 Multi-mode is confusing and doesn't work properly
- 👎 Individual sounds are rather flat and don't sound like the hardware version
- 👎 Volume faders in multi-mode are extremely unresponsive

**Reported bugs**

- No presets at first, had to delete and re-download the app
- Some old sysex files don't import properly

**Requested features**

- Physical emulation mode based on the desktop hardware device
- Ability to favorite presets


## Frequently asked questions

### Is StringLab free?

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

### Is Blofeld free?

Blofeld costs $24.99, with no in-app purchases.

### Which has better reviews, StringLab or Blofeld?

Blofeld is rated higher. StringLab averages 4.3 out of 5 from 14 ratings, while Blofeld averages 4.6 from 28 ratings.

### Do StringLab or Blofeld have ads?

Neither StringLab nor Blofeld shows ads.

### Which is updated more often, StringLab or Blofeld?

StringLab ships an update every 10 days, and Blofeld every 3 weeks. Most recently, StringLab was updated on September 21, 2026 and Blofeld on September 18, 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.*