# FormLab vs Hydro Paint

The clearest difference is in-app purchases: Hydro Paint at none against FormLab's 1. Hydro Paint also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. FormLab sells 1 one-off in-app purchase. Hydro Paint asks for nothing beyond the download.

## The numbers

| Metric | FormLab | Hydro Paint |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | — |
| Size | 6 MB | 38 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Acconecto](https://appshunter.io/developer/1553425044) | [RUNXI DENG](https://appshunter.io/developer/1888174408) |

## What reviewers say

### FormLab

[App page](https://appshunter.io/ios/app/formlab/id6758761079)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FormLab Pro | $3.99 | one-time |


### Hydro Paint

[App page](https://appshunter.io/ios/app/hydro-paint-water-tracker/id6761187262)

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

**In-app purchases:** none


## Frequently asked questions

### Is FormLab free?

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

### Is Hydro Paint free?

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

### Do FormLab or Hydro Paint have ads?

FormLab shows ads; Hydro Paint does not.

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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.*