# PainFlow vs Headache Detective

The clearest difference is update cadence: Headache Detective at weekly against PainFlow's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PainFlow sells 2 in-app purchases, starting at $5.99 per month and Headache Detective sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

PainFlow ships an update fortnightly, Headache Detective weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | PainFlow | Headache Detective |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Size | 25 MB | 15 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 17+ |
| Developer | [Kyrylo Yarovyi](https://appshunter.io/developer/1891041063) | [Riku Kuisma](https://appshunter.io/developer/1853885657) |

## What reviewers say

### PainFlow

[App page](https://appshunter.io/ios/app/painflow/id6761713371)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription | $5.99 | per month |
| Subscription | $34.99 | per year |


### Headache Detective

[App page](https://appshunter.io/ios/app/headache-detective-tracker/id6772620047)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Yearly | $29.99 | per year |


## Frequently asked questions

### Is PainFlow free?

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

### Is Headache Detective free?

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

### Do PainFlow or Headache Detective have ads?

Neither PainFlow nor Headache Detective shows ads.

### Which is updated more often, PainFlow or Headache Detective?

PainFlow ships an update fortnightly, and Headache Detective weekly. Most recently, PainFlow was updated on October 24, 2026 and Headache Detective on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*