# Undercurrent vs Pain Patterns

The clearest difference is in-app purchases: Pain Patterns at none against Undercurrent's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Undercurrent sells 1 one-off in-app purchase. Pain Patterns asks for nothing beyond the download.

## The numbers

| Metric | Undercurrent | Pain Patterns |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 73 MB | 6 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Lloyd Rowat](https://appshunter.io/developer/1166734628) | [GINA JAY HEIDEL](https://appshunter.io/developer/1870681473) |

## What reviewers say

### Undercurrent

[App page](https://appshunter.io/ios/app/undercurrent-symptom-log/id6759209174)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Undercurrent Health: Pro | $19.99 | one-time |


### Pain Patterns

[App page](https://appshunter.io/ios/app/pain-patterns/id6760734189)

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

**In-app purchases:** none


## Frequently asked questions

### Is Undercurrent free?

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

### Is Pain Patterns free?

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

### Do Undercurrent or Pain Patterns have ads?

Neither Undercurrent nor Pain Patterns shows ads.

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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.*