# StringLab vs Tune Lab

The clearest difference is in-app purchases: Tune Lab at none against StringLab's 1. StringLab's advantage is update cadence (every 9 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. StringLab sells 1 one-off in-app purchase. Tune Lab asks for nothing beyond the download.

StringLab ships an update every 9 days, Tune Lab every 2 months. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | StringLab | Tune Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Size | 60 MB | 4 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ZapArc](https://appshunter.io/developer/1896490557) | [VAN ANH AUDIO COMPANY LIMITED](https://appshunter.io/developer/6776205970) |

## What reviewers say

### StringLab

[App page](https://appshunter.io/ios/app/stringlab-guitar-tuner/id6775404329)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StringLab Pro | $9.99 | one-time |


### Tune Lab

[App page](https://appshunter.io/ios/app/tune-lab/id6780132453)

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

**In-app purchases:** none


## Frequently asked questions

### Is StringLab free?

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

### Is Tune Lab free?

Tune Lab is free to download, with no in-app purchases.

### Do StringLab or Tune Lab have ads?

Neither StringLab nor Tune Lab shows ads.

### Which is updated more often, StringLab or Tune Lab?

StringLab ships an update every 9 days, and Tune Lab every 2 months. Most recently, StringLab was updated on October 31, 2026 and Tune Lab on October 28, 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.*