# Undercurrent vs Pain Patterns

The clearest difference is in-app purchases: Pain Patterns at none against Undercurrent's 1. Pain Patterns also leads on device support (3 vs 1). On price, ads 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 | Monthly | — |
| Size | 76 MB | 6 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone | **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-tracker/id6759209174)

**Features:** macOS Compatibility, 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.*