Comparison

AST UPAS vs Viamove

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

Head to head
About

AST UPAS

Features
Read full description

Use this application to set sampling parameters for Access Sensor Technologies’ Ultrasonic Personal Aerosol Sampler (UPAS). Parameters that can be adjusted using this application include the name, cartridge id, start time, duration, flow rate, and duty cycle for each filter sample. Make sure any mobile device that you will use to program the UPAS is running iOS 12 or later.

About

Viamove

This app transforms daily walks into an engaging fitness journey with features like real-time competition against past performance and intelligent route generation. It offers weather-based walk planning and gamified goal systems to keep users motivated.

Highlights
  • Real-time competition with Ghost Walk
  • Discover nearby trails and hidden gems
  • Customizable route generation
  • Weather-based walk planning
  • Gamified goal system and achievements
  • HealthKit and Dynamic Island integration
Features
Read full description

Viamove: Walking Tracker Transform your daily walks into an engaging fitness journey. Whether you’re a casual stroller or a dedicated hiker, Viamove is the ultimate companion for exploring the outdoors, hitting your goals, and beating your best self. BEAT YOUR BEST SELF WITH GHOST WALK Bring a competitive edge to your fitness. With Ghost Walk, you can "race" against your previous sessions in real-time. Track your "Ghost Delta" directly on your Lock Screen or Dynamic Island to see exactly how you're performing against your personal records as you move. DISCOVER NEW PATHS INSTANTLY Don’t get stuck in the same routine. Use Trail Discovery to find nearby trailheads, nature reserves, and hidden gems. Ready to explore further? Use our intelligent Loop Generator to instantly create custom walking routes based on your target distance. SMARTER WALKING WITH WEATHER INTELLIGENCE Viamove doesn't just track your walk; it plans it. Our Weather Intelligence analyzes local conditions to suggest the "Best Time to Walk." Planning a summer stroll? Shade Intelligence helps you find routes with more tree cover during high UV periods to keep you cool and comfortable. GAMIFY YOUR FITNESS Stay motivated with a robust goal system. Set daily, weekly, or monthly targets and fill your Trophy Room with achievements for distance milestones, time-based badges, and consistency streaks. KEY FEATURES: Deep iOS Integration: Precision GPS tracking with full support for HealthKit, Live Activities, and the Dynamic Island. Standalone Apple Watch App: Track your workouts natively on your wrist—no iPhone required. Advanced Insights: View year-over-year trends, split analysis, and your fastest miles. Route Planner: Draw your own paths or let our algorithm suggest a perfect loop for you. Privacy First: We use standard Apple frameworks to ensure your location and health data are handled securely. Some features mentioned above require a Viamove+ subscription. UPGRADE TO VIAMOVE+ Unlock the full potential of your fitness journey with a 7-day free trial: Ghost Walk (Real-time competition) Unlimited Loop Generation Premium Hiking Mode Monthly Streak Protection (Mulligans) Detailed Performance Insights & Shade Intelligence Download Viamove today and make every step count. Terms of Use (EULA): https://viamove.app/terms.html Privacy Policy: https://viamove.app/privacy.html

Screenshots

AST UPAS3 screens
Viamove4 screens

Verdict

The call

The clearest difference is in-app purchases: AST UPAS at none against Viamove's 1. AST UPAS also leads on iOS requirement (12.0 vs 26.0). Viamove's advantage is update cadence (weekly vs every 3 months). On price, 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. Viamove sells 1 in-app purchase, starting at $9.99 per month. AST UPAS asks for nothing beyond the download.

UpkeepUpdate frequency

AST UPAS ships an update every 3 months, Viamove weekly. The most recent releases landed on October 27, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 6 level
AST UPAS versus Viamove: the parameters behind the verdict, then further details
ParameterAST UPASViamove
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 3 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPod — betteriPhone, Apple Watch
Requires iOS12.0 — better26.0
Further details — not scored
Size11 MB7 MB
Age rating4+4+
DeveloperAccess Sensor TechnologiesRidge View Code, LLC

In-app purchases

None

AST UPAS

No in-app purchases

1 purchases

Viamove

Subscriptions1
  • Premium Monthly7 Days trial$9.991 Month

Questions

Is AST UPAS free?
AST UPAS is free to download, with no in-app purchases.
Is Viamove free?
Viamove is free to download, with in-app purchases available.
Do AST UPAS or Viamove have ads?
Neither AST UPAS nor Viamove shows ads.
Which is updated more often, AST UPAS or Viamove?
AST UPAS ships an update every 3 months, and Viamove weekly. Most recently, AST UPAS was updated on October 27, 2026 and Viamove on November 5, 2026.

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