# SkyPacer vs GPX Viewer

The clearest difference is in-app purchases: SkyPacer at none against GPX Viewer's 1. SkyPacer also leads on iOS requirement (15.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. GPX Viewer sells 1 one-off in-app purchase. SkyPacer asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | SkyPacer | GPX Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | Free | — |
| Size | 24 MB | 12 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andre Voltmann](https://appshunter.io/developer/1057301647) | [Jean Papke](https://appshunter.io/developer/1697093770) |

## What reviewers say

### SkyPacer

[App page](https://appshunter.io/ios/app/skypacer-pace-calculator/id1484045401)

This app helps runners and coaches optimize training and race performance. It offers precise pace calculations, VO2max measurement, and detailed race and nutrition planning. Analyze routes, predict times, and track fitness development with a user-friendly interface.

**Highlights:** Precise pace calculations, VO2max and performance analysis, GPX route analysis, Professional race planning, Smart nutrition planning, Export to Excel/Sheets

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

**In-app purchases:** none


### GPX Viewer

[App page](https://appshunter.io/ios/app/gpx-viewer-routepeek/id6802024910)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RoutePeek Pro | $3.99 | one-time |


## Frequently asked questions

### Is SkyPacer free?

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

### Is GPX Viewer free?

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

### Do SkyPacer or GPX Viewer have ads?

Neither SkyPacer nor GPX Viewer shows ads.

### Which is updated more often, SkyPacer or GPX Viewer?

SkyPacer ships an update every 6 weeks, and GPX Viewer every 6 weeks. Most recently, SkyPacer was updated on October 8, 2026 and GPX Viewer 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.*