# Solace vs 頭痛予報

The clearest difference is in-app purchases: 頭痛予報 at none against Solace's 3. 頭痛予報 also leads on update cadence (every 5 days vs every 2 weeks). Solace's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Solace sells 3 in-app purchases, starting at $5.99 per month. 頭痛予報 asks for nothing beyond the download.

Solace ships an update every 2 weeks, 頭痛予報 every 5 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Solace | 頭痛予報 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Size | 22 MB | 29 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Evatech Innovations,TOO](https://appshunter.io/developer/1712099707) | [Nagisa Maeda](https://appshunter.io/developer/6817062104) |

## What reviewers say

### Solace

[App page](https://appshunter.io/ios/app/solace-perimenopause-tracker/id6781828385)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Solace Plus – Monthly | $5.99 | per month |
| Solace Plus – Yearly | $39.99 | per year |
| Solace Plus – Lifetime | $99.99 | one-time |


### 頭痛予報

[App page](https://appshunter.io/ios/app/headache-forecast/id6817062102)

**In-app purchases:** none


## Frequently asked questions

### Is Solace free?

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

### Is 頭痛予報 free?

頭痛予報 is free to download, with no in-app purchases.

### Do Solace or 頭痛予報 have ads?

Neither Solace nor 頭痛予報 shows ads.

### Which is updated more often, Solace or 頭痛予報?

Solace ships an update every 2 weeks, and 頭痛予報 every 5 days. Most recently, Solace was updated on November 5, 2026 and 頭痛予報 on November 6, 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.*