Comparison

SkyPacer vs GPX Viewer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SkyPacer

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
Read full description

SkyPacer – Your Ultimate Running Pace Calculator and Training Companion Revolutionize your running training with SkyPacer, the most advanced pace calculator app for runners, coaches, and running enthusiasts. From your first 5K to marathon goals – SkyPacer delivers the precision you need. Brand New Features! * VO2max calculation with Cooper test – Measure your endurance scientifically * Advanced race planning – Plan every detail of your race * Smart nutrition planning per course segment * Individual notes for every split * Export splits, nutrition notes, and notes to Excel/Sheets * Complete UI/UX redesign for intuitive operation Core Features **Precise Pace Calculations * Calculate pace from distance, time, or speed instantly * Seamless conversion between kilometers and miles * Perfect for race preparation and training **NEW: VO2max and Performance Analysis * Determine your maximum oxygen uptake with the proven Cooper test * Get scientifically-based insights into your endurance performance * Track your fitness development over time **GPX Route Analysis and Strategic Planning * Upload your favorite routes and race courses * Analyze elevation profiles and terrain challenges * Plan strategic splits based on course topology * Optimize your energy distribution across the entire route **Professional Race Planning * Detailed race strategy development * Consider course characteristics and personal goals * Export function for coaches and support teams * Perfect preparation for the big day **Smart Nutrition Planning * Personalized nutrition recommendations for each course segment * Plan hydration and energy intake based on split duration and intensity * Individual note system for race day reminders * Export all plans to share with your team **Performance Analysis * Race time predictions across various distances * Personalized training zone recommendations * Pace optimization for different training goals **Modern User Interface * Completely redesigned for maximum user-friendliness * Intuitive navigation through all functions * Optimized for quick inputs during training **For Every Runner * Runners: Train with scientific precision * Coaches: Develop detailed training plans * Spectators: Track and predict runner performance **Train Like a Pro SkyPacer goes beyond simple calculations. Determine your VO2max, upload your course, visualize every hill, plan your splits strategically, and fuel your body optimally with smart nutrition planning. Example: Sub-3:00 marathon? Hold 6:52/mile pace. SkyPacer shows you exactly how to run each segment, when to fuel, what to expect at every mile – and measures your fitness with precise VO2max testing. Download SkyPacer and unleash your running potential!

About

GPX Viewer

Features
Read full description

RoutePeek is a focused GPX, KML, and KMZ viewer for exploring hiking, cycling, running, and travel routes on a clear, interactive map. OPEN ROUTE FILES Import GPX, KML, and KMZ files directly from Files or other apps. RoutePeek keeps a convenient route library while leaving your original files unchanged. EXPLORE EVERY ROUTE • Switch between different maps terrain • Elevation, slope, and weather overlays • View tracks, routes, and waypoints on the map • Inspect distance, duration, elevation gain, and elevation loss • Explore interactive elevation profiles • See route direction and waypoint details EDIT Trim a route, reverse its direction, and update or remove waypoints. VISUAL ROUTE INSIGHTS Use elevation, slope, and weather overlays to understand what lies ahead. Weather data is displayed at points along the route for quick, practical context. CONVERT AND EXPORT Export route copies as GPX, KML, KMZ, or GeoJSON files and share them with other apps and devices. ----- Terms of service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

SkyPacer4 screens
GPX Viewer4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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

Scorecard2 real differences · 6 level
SkyPacer versus GPX Viewer: the parameters behind the verdict, then further details
ParameterSkyPacerGPX Viewer
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 6 weeksEvery 6 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better18.0
Further details — not scored
Size24 MB12 MB
Age rating4+4+
DeveloperAndre VoltmannJean Papke

In-app purchases

None

SkyPacer

No in-app purchases

1 purchases

GPX Viewer

One-time1
  • RoutePeek Pro$3.99

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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