# O2 BAR Baroque vs Simple Headache Log

The clearest difference is in-app purchases: O2 BAR Baroque at none against Simple Headache Log's 2. O2 BAR Baroque also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.6). Simple Headache Log's advantage is update cadence (every 3 days vs every 39 months). On price and device support there is nothing between them.

Both are free to download. Simple Headache Log sells 2 in-app purchases, starting at $1.49 per month. O2 BAR Baroque asks for nothing beyond the download.

O2 BAR Baroque ships an update every 39 months, Simple Headache Log every 3 days. The most recent releases landed on October 14, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | O2 BAR Baroque | Simple Headache Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.5 (2 ratings)](https://appshunter.io/ios/app/simple-headache-log/id6446395359/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 39 months | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 30 MB | 56 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [NITT, INC](https://appshunter.io/developer/1572232659) | [NAOYA ONO](https://appshunter.io/developer/1530328146) |

## What reviewers say

### O2 BAR Baroque

[App page](https://appshunter.io/ios/app/o2-bar-baroque/id1572232657)

**In-app purchases:** none


### Simple Headache Log

[App page](https://appshunter.io/ios/app/simple-headache-log/id6446395359)

Easily log daily headaches by selecting pain level, weather, and potential causes. Analyze trends and identify triggers through simple charts and rankings. Record past data and manage custom pain factors.

**Highlights:** Easy pain logging with options, Analyze pain trends by weather and cause, Calendar view of daily pain levels, Add past headache data, Customizable pain causes and medicines, No login required

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $1.49 | per month |
| Support Developer | $0.99 | one-time |


## Frequently asked questions

### Is O2 BAR Baroque free?

O2 BAR Baroque is free to download, with no in-app purchases.

### Is Simple Headache Log free?

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

### Do O2 BAR Baroque or Simple Headache Log have ads?

Simple Headache Log shows ads; O2 BAR Baroque does not.

### Which is updated more often, O2 BAR Baroque or Simple Headache Log?

O2 BAR Baroque ships an update every 39 months, and Simple Headache Log every 3 days. Most recently, O2 BAR Baroque was updated on October 14, 2026 and Simple Headache Log on October 22, 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.*