# Castra App vs Pace

The clearest difference is update cadence: Pace at every 3 days against Castra App's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Castra App sells 4 in-app purchases, starting at $4.99 per month and Pace sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Castra App ships an update weekly, Pace every 3 days. Both last shipped on October 22, 2026.

## The numbers

| Metric | Castra App | Pace |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Size | 66 MB | 7 MB |
| Requires iOS | **16.6** | 17.5 |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [CASTRA APP OOD](https://appshunter.io/developer/1761241022) | [Alexander Logan](https://appshunter.io/developer/1322424210) |

## What reviewers say

### Castra App

[App page](https://appshunter.io/ios/app/castra-app/id6612004431)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Athlete Subscription | $4.99 | per month |
| Coach Monthly Subscription | $29.99 | per month |
| Athlete Annual Subscription | $49.99 | per year |
| Coach Yearly Subscription | $269.99 | per year |


### Pace

[App page](https://appshunter.io/ios/app/pace-running-time-converter/id6624293676)

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip | $0.99 | one-time |


## Frequently asked questions

### Is Castra App free?

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

### Is Pace free?

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

### Do Castra App or Pace have ads?

Neither Castra App nor Pace shows ads.

### Which is updated more often, Castra App or Pace?

Castra App ships an update weekly, and Pace every 3 days. Most recently, Castra App was updated on October 22, 2026 and Pace on October 22, 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.*