# StringLab vs Laser Harp

The clearest difference is ads: StringLab at none against Laser Harp's shown. StringLab also leads on update cadence (every 9 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. StringLab sells 1 one-off in-app purchase and Laser Harp sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

StringLab ships an update every 9 days, Laser Harp every 2 months. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | StringLab | Laser Harp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 2 months |
| Size | 60 MB | 48 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [ZapArc](https://appshunter.io/developer/1896490557) | [Alper Kahriman](https://appshunter.io/developer/1054578352) |

## 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 |


### Laser Harp

[App page](https://appshunter.io/ios/app/laser-harp-light-synth/id6782724413)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Laser Harp Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is StringLab free?

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

### Is Laser Harp free?

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

### Do StringLab or Laser Harp have ads?

Laser Harp shows ads; StringLab does not.

### Which is updated more often, StringLab or Laser Harp?

StringLab ships an update every 9 days, and Laser Harp every 2 months. Most recently, StringLab was updated on October 31, 2026 and Laser Harp on October 25, 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.*