Comparison

FD Viewer vs Ice Map

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

Head to head
About

FD Viewer

Access and read detailed text weather products from the National Weather Service. This app reformats Area Forecast Discussions into a user-friendly interface, allowing easy navigation through sections and offices.

Highlights
  • Read Area Forecast Discussions (AFDs)
  • View NWS offices on a map
  • List offices by distance or alphabetically
  • Paginated section navigation
  • User-friendly reformatting of weather data
Features
Read full description

Area Forecast Discussions (AFDs) are a text weather product released by the National Weather Service (NWS) Weather Forecast Offices to inform and elaborate on the public forecast. FD Viewer presents each office on a map and also displays a list of offices sorted by distance or alphabetically. Selecting an office will display the latest Forecast Discussion paginated by section. Swipe right or left to navigate through each section. This app merely reformats the web-based AFD information in a user-friendly format. All credit for the forecast information goes to all the hardworking people at the NWS. TBD: I plan to support in-app glossary popups that will describe some of the more arcane acronyms and phrases used in the forecast text.

About

Ice Map

Access global forecasts for sea ice, water conditions, and wind. Visualize ice cover, temperature, currents, and water levels up to six days in advance. Includes specialized ice imagery for key regions.

Highlights
  • Global sea ice map forecast (6 days)
  • Global sea water map forecast (6 days)
  • Ice images for Great Lakes, Arctic, Antarctic
  • Global water level map forecast (6 days)
  • Global wind and wave forecast (6 days)
  • PRO features: water physics, level, wind, wave maps
Features
Read full description

The app provides the following three features. 1.Global Sea Ice Map 6 days forecast (Ice Cover, Ice Thickness, Ice Temperature, Ice Velocity) 2. Global Sea Water Map 6 days forecast (Water Temperature, Water Salinity, Water Current). 3. Ice Images(Great Lakes, Arctic and Antarctic) 4. Global Water Level Map 6 days forecast (Total Sea Level, Tide Height). 5. Global Wind and Wave 6 days forecast 【PRO】 Unlock water physics, water level, wind and wave map Purchase Notes: 1. The account will be automatically renewed and deducted the corresponding fee 1 day before the expiration. 2. If you need to cancel the renewal, please cancel in your personal iTunes account at least 1 day in advance. 3. After purchase, users can manage or turn off automatic renewal in personal account settings. privacy policy: https://www.astronomyobserver.net/h5/icemap/privacy term of services: https://www.astronomyobserver.net/h5/icemap/user

Screenshots

FD Viewer3 screens
Ice Map4 screens

Verdict

The call

The clearest difference is in-app purchases: FD Viewer at none against Ice Map's 2. FD Viewer also leads on update cadence (every 2 weeks vs every 4 months). On price, ads, device support and iOS requirement 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. Ice Map sells 2 in-app purchases, starting at $2.99 per month. FD Viewer asks for nothing beyond the download.

UpkeepUpdate frequency

FD Viewer ships an update every 2 weeks, Ice Map every 4 months. The most recent releases landed on October 7, 2026 and October 18, 2026 respectively.

Scorecard3 real differences · 6 level
FD Viewer versus Ice Map: the parameters behind the verdict, then further details
ParameterFD ViewerIce Map
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 2 weeks — betterEvery 4 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.016.0
Further details — not scored
Size2 MB6 MB
Age rating4+4+
DeveloperNeil Cormia雪平 王

In-app purchases

None

FD Viewer

No in-app purchases

2 purchases

Ice Map

Subscriptions2
  • Monthly Pro$2.991 Month
  • Annual Pro$19.991 Year

Questions

Is FD Viewer free?
FD Viewer is free to download, with no in-app purchases.
Is Ice Map free?
Ice Map is free to download, with in-app purchases available.
Do FD Viewer or Ice Map have ads?
Neither FD Viewer nor Ice Map shows ads.
Which is updated more often, FD Viewer or Ice Map?
FD Viewer ships an update every 2 weeks, and Ice Map every 4 months. Most recently, FD Viewer was updated on October 7, 2026 and Ice Map on October 18, 2026.

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