# FMSF APP vs Headache

The clearest difference is update cadence: FMSF APP at fortnightly against Headache's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FMSF APP ships an update fortnightly, Headache every 5 weeks. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | FMSF APP | Headache |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fmsf-app/id1496029315/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free | — |
| Size | 128 MB | 33 MB |
| Requires iOS | 15.6 | **14.0.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Functional Medicine SF](https://appshunter.io/developer/1496029314) | [Atlas Health Group Inc.](https://appshunter.io/developer/1514906594) |

## What reviewers say

### FMSF APP

[App page](https://appshunter.io/ios/app/fmsf-app/id1496029315)

This app facilitates secure messaging between patients and their healthcare provider's portal. It can optionally share vital signs via HealthKit for better patient-provider communication. It serves as a communication tool and medical information resource.

**Highlights:** Secure patient-provider messaging, HealthKit vital sign integration, Patient portal access, Medical information resource, Permission management for HealthKit

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

**In-app purchases:** none


### Headache

[App page](https://appshunter.io/ios/app/headachemigraine-app/id6738229932)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FMSF APP free?

FMSF APP is free to download, with no in-app purchases.

### Is Headache free?

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

### Do FMSF APP or Headache have ads?

Neither FMSF APP nor Headache shows ads.

### Which is updated more often, FMSF APP or Headache?

FMSF APP ships an update fortnightly, and Headache every 5 weeks. Most recently, FMSF APP was updated on October 8, 2026 and Headache on October 14, 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.*