# Headache Diary Pro vs Stretch Studios

The clearest difference is price: Stretch Studios at Free against Headache Diary Pro's $3.99. Stretch Studios also leads on update cadence (monthly vs every 3 months). Headache Diary Pro's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

Stretch Studios 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, Stretch Studios monthly. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Headache Diary Pro | Stretch Studios |
| --- | --- | --- |
| 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 | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Paid | — |
| Size | 9 MB | 154 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Tim Preuss](https://appshunter.io/developer/1023232972) | [On Purpose Fitness, LLC](https://appshunter.io/developer/1688528950) |

## What reviewers say

### Headache Diary Pro

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

Track headache pain, symptoms, triggers, and treatments to identify potential causes. Offers extensive logging, multi-user support, and comprehensive offline statistics with PDF export.

**Highlights:** Extensive headache logging, Track pain, symptoms, triggers, and treatments, Multi-user support, Comprehensive offline statistics, PDF report export, Intuitive design

**In-app purchases:** none


### Stretch Studios

[App page](https://appshunter.io/ios/app/stretch-studios/id6466657416)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Headache Diary Pro free?

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

### Is Stretch Studios free?

Stretch Studios is free to download, with no in-app purchases.

### Do Headache Diary Pro or Stretch Studios have ads?

Stretch Studios shows ads; Headache Diary Pro does not.

### Which is updated more often, Headache Diary Pro or Stretch Studios?

Headache Diary Pro ships an update every 3 months, and Stretch Studios monthly. Most recently, Headache Diary Pro was updated on November 1, 2026 and Stretch Studios on October 25, 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.*