Comparison

SnoTel Mapper vs Satellite Imagery Data Process

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

Head to head
About

SnoTel Mapper

Features
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SnoTel Mapper puts real-time snow data in your pocket β€” 900+ USDA SNOTEL stations across the western United States, plus British Columbia snow pillows. Track snow conditions, avalanche forecasts, terrain, and weather for safer backcountry trips. Built for skiers, snowboarders, snowshoers, winter hikers, and anyone who needs accurate snowpack information. Free Features: β€’ Maps of SNOTEL, SNOW, and SCAN sites, plus BC Automated Snow Weather Stations β€’ Current and historical snow depth, with averages and last-year comparisons β€’ Temperature and precipitation β€’ Avalanche forecast overlays with current danger ratings β€’ Terrain overlays: aspect, hillshade, and slope β€’ Unlimited favorites with offline caching β€’ Charts of snow depth trends, and shareable station cards β€’ Light, dark, and Neon themes; metric or imperial units β€’ Apple Watch: top 3 favorites with depth, temperature, and 24-hour change β€’ Offline access when you are out of cell service Pro Features: β€’ Hourly data instead of daily summaries β€’ Point forecasts on each station, or long-press the map (NOAA in the US, Canada HRDPS for BC) β€’ Save up to 10 weather spots and reopen their forecasts β€’ Morning Brief: compare your top 3 favorites, with a daily notification at a time you choose β€’ Snowfall Watch: flag favorites that gain an amount you set over 8, 12, or 24 hours β€’ Storm totals: 24/48/72-hour depth change, plus daily high and low temperatures β€’ Snowfall prediction gauges β€’ Multi-model forecasts for precipitation and temperature β€’ Nearby webcams to check ground conditions Reorder favorites, export a backup, and share a conditions card. Map clustering keeps hundreds of stations easy to browse. Your first three favorites refresh hourly and stay on Apple Watch. Perfect for backcountry skiers and snowboarders, winter campers, weather enthusiasts, and guides who want official station data before they leave the trailhead. β€’ Coverage: 900+ SNOTEL stations, plus SNOW, SCAN, and BC snow pillows β€’ Official networks used by avalanche forecasters and water managers β€’ Smart caching for fast loads and offline use β€’ No personal data collection. Location only centers the map and is never stored β€’ Regular updates shaped by community feedback Data from USDA NRCS SNOTEL, BC Snow Survey / River Forecast Centre (ASWS), NOAA, Environment and Climate Change Canada (HRDPS), USGS 3DEP terrain, and regional avalanche centers via Avalanche.org. Plan a tour with snow depth and avalanche danger, check a trail before you go, compare this season with last year, and follow storms as they add up. SAFETY NOTICE Data from USDA NRCS, British Columbia, and other sources is for information only. Availability and accuracy vary. Check official forecasts from regional avalanche centers and use your own judgment. The developers are not responsible for decisions made from this app. Pro features require a subscription. Terms apply. Privacy Policy: https://psithurismlabs.com/privacy.html Terms of Service: https://psithurismlabs.com/terms.html EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Satellite Imagery Data Process

Features
Read full description

Satellite Imagery Data Processing brings advanced satellite image analysis and remote sensing tools to iPhone and iPad in a modern, intuitive workspace. Import, process, visualize, and export satellite imagery with powerful tools designed for researchers, GIS professionals, environmental analysis, agriculture monitoring, urban planning, and geospatial exploration. Work with multispectral imagery, apply intelligent enhancement, analyze terrain and vegetation, and transform raw satellite datasets into actionable insightsβ€”all from a mobile experience optimized for performance and precision. Features: β€’ Import satellite imagery and geospatial raster datasets β€’ Support for GeoTIFF, TIFF, JPEG2000, NetCDF, HDF5, and more β€’ View multispectral layers with smooth zoom and GPU acceleration β€’ Generate NDVI, false color, infrared, thermal, and custom visualizations β€’ Apply image enhancement, correction, denoising, and cloud reduction β€’ Perform band analysis, classification, and change detection workflows β€’ AI-assisted land, water, road, and object recognition β€’ Measure distance, area, and geographic regions β€’ Create professional exports and reports β€’ Sync projects across devices and cloud storage providers Designed for modern iOS devices, Satellite Imagery Data Processing combines scientific capability with an elegant interface built for mobile productivity. Upgrade to Pro for advanced processing, AI analysis, unlimited exports, and expanded cloud workflows. We currently offer the following auto-renewing subscription option: -$7.99 per month -$34.99 per month Payment will be charged to iTunes Account at confirmation of purchase. Your subscription will automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Your account will be charged for renewal within 24-hours prior to the end of the current period. Subscriptions may be managed and auto-renewal may be turned off by going to the Account Settings after purchase. No cancellation of the current subscription is allowed during active subscription period. β€’ Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable Terms of Use: https://tos.nguyenanhapps.com Privacy Policy: https://privacy.nguyenanhapps.com

Screenshots

SnoTel Mapper4 screens
Satellite Imagery Data Process4 screens

Verdict

The call

The clearest difference is price: Satellite Imagery Data Process at Free against SnoTel Mapper's $2.49. Satellite Imagery Data Process also leads on update cadence (fortnightly vs every 2 months). SnoTel Mapper's advantage is device support (4 vs 2) and iOS requirement (15.6 vs 17.0). On ads and in-app purchases there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Satellite Imagery Data Process is free to download; SnoTel Mapper costs $2.49 up front. SnoTel Mapper sells 2 in-app purchases, starting at $2.99 per month and Satellite Imagery Data Process sells 3 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

SnoTel Mapper ships an update every 2 months, Satellite Imagery Data Process fortnightly. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

Scorecard4 real differences Β· 2 level
SnoTel Mapper versus Satellite Imagery Data Process: the parameters behind the verdict, then further details
ParameterSnoTel MapperSatellite Imagery Data Process
Price$2.49Free β€” better
Update frequencyEvery 2 monthsFortnightly β€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod, Apple Watch β€” betteriPhone, iPad
Requires iOS15.6 β€” better17.0
Further details β€” not scored
Size71 MB7 MB
Age rating4+4+
DeveloperJason FlahertyNguyen Anh

In-app purchases

2 purchases

SnoTel Mapper

Subscriptions2
  • Premium Monthly Subscription7 Days trial$2.991 Month
  • Premium Yearly Subscription$24.991 Year
3 purchases

Satellite Imagery Data Process

Subscriptions2
  • Satellite Imagery Premium Monthly$7.991 Month
  • Satellite Imagery Premium Yearly$34.991 Year
One-time1
  • Satellite Imagery Premium Lifetime$49.99

Questions

Is SnoTel Mapper free?
SnoTel Mapper costs $2.49, and also offers in-app purchases.
Is Satellite Imagery Data Process free?
Satellite Imagery Data Process is free to download, with in-app purchases available.
Do SnoTel Mapper or Satellite Imagery Data Process have ads?
Neither SnoTel Mapper nor Satellite Imagery Data Process shows ads.
Which is updated more often, SnoTel Mapper or Satellite Imagery Data Process?
SnoTel Mapper ships an update every 2 months, and Satellite Imagery Data Process fortnightly. Most recently, SnoTel Mapper was updated on October 24, 2026 and Satellite Imagery Data Process on October 22, 2026.

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