Comparison

UN Decoder & Hazmat vs QuickWindChk

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

Head to head
About

UN Decoder & Hazmat

Features
Read full description

WHY UN Decoder& Hazmat? Experience all features completely free for 2 weeks! At the end of your trial, you can choose the plan that suits you bestβ€”Monthly or Annualβ€”to continue seamless access. No commitments; you can cancel anytime before the trial ends Your fast, offline, and reliable guide to IATA Dangerous Goods Regulations (DGR). DGR Info System is the essential tool for pilots, cabin crew, and ground staff who need accurate information instantly. Stop flipping through pages. Our app provides three powerful tools in one: UN Number Search (requires paid subscription): Get live suggestions as you type. See all Proper Shipping Names and Drill Codes for a single UN number grouped intelligently in one result. Includes clear warnings for restricted items. Drill Code Decoder (free): Select any combination of drill numbers and letters to get full explanations of emergency procedures and hazards. Briefings become easy. Passenger Baggage Guide (free): Quickly search for common items (laptops, aerosols, etc.) and see clear rules for cabin, checked, and on-person carriage. Designed by aviation professionals for aviation professionals. Make your DGR checks faster and more efficient. Download today. Just a cup of coffee a month that’s all it takes to unlock. Subscribe monthly or yearly and cancel anytime up to 24 hours before renewal. We believe in our app β€” that’s why we offer monthly plans. Try it just for one month, you won’t regret it.

About

QuickWindChk

Features
Read full description

QuickWindChk puts the wind picture you need before a flight decision into one clear, focused view. Enter the runway heading, wind direction, and wind speed to understand the wind at a glance. Wind Envelope β€” Check your wind margin quickly and clearly. Set crosswind and tailwind limits, then see the remaining margin clearly. Pattern HDG β€” See the traffic-pattern direction that fits your runway, along with wind-corrected headings for each leg. Choose left- or right-hand traffic, set TAS, and switch the pattern presentation UP or DOWN for the view that is easiest to read. You can also: - See headwind, tailwind, and left or right crosswind components instantly. - Use a clean runway-and-wind diagram to understand the result visually. - Enter data quickly with the purpose-built keypad. - Lock runway or wind-direction values for repeated checks. - Use light or dark appearance on both iPhone and iPad. Important! QuickWindChk is a fast reference tool. Always use current official weather information, aircraft limitations, airport procedures, and approved flight-planning resources when making operational decisions.

Screenshots

UN Decoder & Hazmat4 screens
QuickWindChk4 screens

Verdict

The call

The clearest difference is in-app purchases: QuickWindChk at none against UN Decoder & Hazmat's 2. UN Decoder & Hazmat's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support 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

Both are free to download. UN Decoder & Hazmat sells 2 in-app purchases, starting at $0.99 per month. QuickWindChk asks for nothing beyond the download.

UpkeepUpdate frequency

UN Decoder & Hazmat ships an update monthly, QuickWindChk every 3 weeks. The most recent releases landed on September 14, 2026 and September 2, 2026 respectively.

Scorecard2 real differences Β· 4 level
UN Decoder & Hazmat versus QuickWindChk: the parameters behind the verdict, then further details
ParameterUN Decoder & HazmatQuickWindChk
PriceFreeFree
Update frequencyMonthlyEvery 3 weeks β€” better
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 β€” better15.1
Further details β€” not scored
Size47 MB29 MB
Age rating12+4+
DeveloperAYLIN BICENSEUNGSOO YOU

In-app purchases

2 purchases

UN Decoder & Hazmat

Subscriptions2
  • Pro Membeship ( 1 Month )$0.991 Month
  • Pro Membership ( 1 Year )$9.991 Year
None

QuickWindChk

No in-app purchases

Questions

Is UN Decoder & Hazmat free?
UN Decoder & Hazmat is free to download, with in-app purchases available.
Is QuickWindChk free?
QuickWindChk is free to download, with no in-app purchases.
Do UN Decoder & Hazmat or QuickWindChk have ads?
Neither UN Decoder & Hazmat nor QuickWindChk shows ads.
Which is updated more often, UN Decoder & Hazmat or QuickWindChk?
UN Decoder & Hazmat ships an update monthly, and QuickWindChk every 3 weeks. Most recently, UN Decoder & Hazmat was updated on September 14, 2026 and QuickWindChk on September 2, 2026.

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