# Solelife vs CalmTide

The clearest difference is in-app purchases: Solelife at none against CalmTide's 3. Solelife also leads on iOS requirement (15.1 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CalmTide sells 3 in-app purchases, starting at $4.99 per month. Solelife asks for nothing beyond the download.

Solelife ships an update every 6 days, CalmTide every 10 days. Both last shipped on October 15, 2026.

## The numbers

| Metric | Solelife | CalmTide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/solelife/id6745720950/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 10 days |
| Monetization | Free | — |
| Size | 24 MB | 9 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Enrique Verduzco](https://appshunter.io/developer/1813478122) | [Michael Smith](https://appshunter.io/developer/1893971383) |

## What reviewers say

### Solelife

[App page](https://appshunter.io/ios/app/solelife/id6745720950)

Automatically track your workouts and sneaker mileage by syncing with Apple Health. Assign activities to your shoes, receive replacement reminders, and manage your collection. Stay active and prevent injuries by making every mile count.

**Highlights:** Automatic workout import from Apple Health, Track sneaker mileage per activity, Sneaker replacement notifications, Manage sneaker collection, View detailed activity history, Syncs with Apple Health

**Features:** macOS Compatibility

**In-app purchases:** none


### CalmTide

[App page](https://appshunter.io/ios/app/calmtide-cortisol-tracker/id6776101012)

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Annual | $29.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Solelife free?

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

### Is CalmTide free?

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

### Do Solelife or CalmTide have ads?

Neither Solelife nor CalmTide shows ads.

### Which is updated more often, Solelife or CalmTide?

Solelife ships an update every 6 days, and CalmTide every 10 days. Most recently, Solelife was updated on October 15, 2026 and CalmTide on October 15, 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.*