# Headache Diary Pro vs Blue Mood Tracker

The clearest difference is price: Blue Mood Tracker at Free against Headache Diary Pro's $3.99. Headache Diary Pro's advantage is update cadence (every 3 months vs every 45 months) and iOS requirement (15.6 vs 26.6). On ads, in-app purchases and device support there is nothing between them.

Blue Mood Tracker is free to download; Headache Diary Pro costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Headache Diary Pro ships an update every 3 months, Blue Mood Tracker every 45 months. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Headache Diary Pro | Blue Mood Tracker |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.5 (19 ratings)](https://appshunter.io/ios/app/headache-diary-pro/id402258244/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 75.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 45 months |
| Monetization | Paid | — |
| Size | 9 MB | 2 MB |
| Requires iOS | **15.6** | 26.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Tim Preuss](https://appshunter.io/developer/1023232972) | [Ryan Hunter](https://appshunter.io/developer/1456867166) |

## What reviewers say

### Headache Diary Pro

[App page](https://appshunter.io/ios/app/headache-diary-pro/id402258244)

Track your headache pain, symptoms, and potential triggers with this comprehensive mobile diary. Analyze your headache patterns with detailed statistics and export your findings for further review. Helps you gain control over your pain by understanding its characteristics.

**Highlights:** Extensive headache logging, Track pain, symptoms, and triggers, Record medication and effectiveness, Multi-user support, Comprehensive offline statistics, PDF export function

**In-app purchases:** none


### Blue Mood Tracker

[App page](https://appshunter.io/ios/app/blue-mood-tracker/id6444869248)

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

**In-app purchases:** none


## Frequently asked questions

### Is Headache Diary Pro free?

Headache Diary Pro costs $3.99, with no in-app purchases.

### Is Blue Mood Tracker free?

Blue Mood Tracker is free to download, with no in-app purchases.

### Do Headache Diary Pro or Blue Mood Tracker have ads?

Neither Headache Diary Pro nor Blue Mood Tracker shows ads.

### Which is updated more often, Headache Diary Pro or Blue Mood Tracker?

Headache Diary Pro ships an update every 3 months, and Blue Mood Tracker every 45 months. Most recently, Headache Diary Pro was updated on October 14, 2026 and Blue Mood Tracker on October 11, 2026.

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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.*