# Headache Diary Pro vs BP Log

The clearest difference is monetization model: BP Log at free against Headache Diary Pro's paid. BP Log also leads on rating (4.7 vs 4.5) and review sentiment (85% vs 76%). Headache Diary Pro's advantage is iOS requirement (15.6 vs 18.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Headache Diary Pro costs $3.99 and BP Log $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BP Log holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 19 and 86 respectively. Written reviews point the same way: 76% of Headache Diary Pro's written reviews are positive against 85% of BP Log's.

Headache Diary Pro ships an update every 3 months, BP Log every 2 months. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Headache Diary Pro | BP Log |
| --- | --- | --- |
| Price | $3.99 | $3.99 |
| Rating | [4.5 (19 ratings)](https://appshunter.io/ios/app/headache-diary-pro/id402258244/reviews) | **[4.7 (86 ratings)](https://appshunter.io/ios/app/bp-log/id1038939461/reviews)** |
| Number of ratings | 19 | **86** |
| Positive reviews | 75.9% of reviews | **85.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 9 MB | 18 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Tim Preuss](https://appshunter.io/developer/1023232972) | [ser.soft GmbH](https://appshunter.io/developer/577527120) |

## 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


### BP Log

[App page](https://appshunter.io/ios/app/bp-log/id1038939461)

Easily track blood pressure, pulse, and body mass. Sync data with the Health app, view dynamic charts and statistics, and get reminders. Export data for your doctor and manage user profiles securely with local storage.

**Highlights:** Monitor blood pressure, pulse, and body mass, Sync data with Health app, Dynamic charts and statistics, WHO blood pressure classification, Daily reminders, User profile management, Export data as PDF or CSV

**In-app purchases:** none


## Frequently asked questions

### Is Headache Diary Pro free?

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

### Is BP Log free?

BP Log costs $3.99, with no in-app purchases.

### Which has better reviews, Headache Diary Pro or BP Log?

BP Log is rated higher. Headache Diary Pro averages 4.5 out of 5 from 19 ratings, while BP Log averages 4.7 from 86 ratings.

### Do Headache Diary Pro or BP Log have ads?

Neither Headache Diary Pro nor BP Log shows ads.

### Which is updated more often, Headache Diary Pro or BP Log?

Headache Diary Pro ships an update every 3 months, and BP Log every 2 months. Most recently, Headache Diary Pro was updated on September 22, 2026 and BP Log on September 24, 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.*