# PHD Helper vs Labline

The clearest difference is in-app purchases: Labline at none against PHD Helper's 1. Labline also leads on device support. PHD Helper's advantage is iOS requirement (15.1 vs 17.6). On price there is nothing between them.

Both are free to download. PHD Helper sells 1 one-off in-app purchase. Labline asks for nothing beyond the download.

## The numbers

| Metric | PHD Helper | Labline |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | — | Yes |
| Update frequency | — | Every 5 months |
| Size | 41 MB | 31 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Lauren Gilman](https://appshunter.io/developer/1880124860) | [Epic Genius LLC](https://appshunter.io/developer/1193070219) |

## What reviewers say

### PHD Helper

[App page](https://appshunter.io/ios/app/phd-helper/id6760105075)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Me A Coffee | $4.99 | one-time |


### Labline

[App page](https://appshunter.io/ios/app/labline-scientific-discovery/id6760352314)

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

**In-app purchases:** none


## Frequently asked questions

### Is PHD Helper free?

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

### Is Labline free?

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

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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.*