# Shire vs Throb

The clearest difference is in-app purchases: Shire at none against Throb's 1. Throb's advantage is iOS requirement (18.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Throb sells 1 one-off in-app purchase. Shire asks for nothing beyond the download.

Shire ships an update every 2 weeks, Throb every 3 weeks. The most recent releases landed on October 18, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Shire | Throb |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 3 MB | 2 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Rouslan Zenetl](https://appshunter.io/developer/1629490886) | [Evatech Innovations,TOO](https://appshunter.io/developer/1712099707) |

## What reviewers say

### Shire

[App page](https://appshunter.io/ios/app/shire-headache-diary/id6753927167)

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

**In-app purchases:** none


### Throb

[App page](https://appshunter.io/ios/app/throb-migraine-diary-tracker/id6780502995)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Throb Lifetime Unlock | $12.99 | one-time |


## Frequently asked questions

### Is Shire free?

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

### Is Throb free?

Throb is free to download, with in-app purchases available.

### Do Shire or Throb have ads?

Neither Shire nor Throb shows ads.

### Which is updated more often, Shire or Throb?

Shire ships an update every 2 weeks, and Throb every 3 weeks. Most recently, Shire was updated on October 18, 2026 and Throb on October 17, 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.*