Comparison

NAVHAZCHECK vs UN Decoder & Hazmat

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

Head to head
About

NAVHAZCHECK

Access critical HAZMAT data and manage locker storage information. This tool provides essential details for hazardous materials and supports locker inventory management.

Highlights
  • HAZMAT data search
  • Locker storage management
  • Access critical information
  • Inventory support
Features
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Search tool for HAZMAT data, locker storage.

About

UN Decoder & Hazmat

Features
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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 best—Monthly or Annual—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 — that’s why we offer monthly plans. Try it just for one month, you won’t regret it.

Screenshots

NAVHAZCHECK4 screens
UN Decoder & Hazmat4 screens

Verdict

The call

The clearest difference is in-app purchases: NAVHAZCHECK at none against UN Decoder & Hazmat's 2. UN Decoder & Hazmat's advantage is update cadence (every 3 weeks vs every 7 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. UN Decoder & Hazmat sells 2 in-app purchases, starting at $0.99 per month. NAVHAZCHECK asks for nothing beyond the download.

UpkeepUpdate frequency

NAVHAZCHECK ships an update every 7 months, UN Decoder & Hazmat every 3 weeks. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 7 level
NAVHAZCHECK versus UN Decoder & Hazmat: the parameters behind the verdict, then further details
ParameterNAVHAZCHECKUN Decoder & Hazmat
PriceFreeFree
Rating4.5 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 7 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size559 MB47 MB
Age rating4+12+
DeveloperNAVSUP Business Systems Center (BSC)AYLIN BICEN

In-app purchases

None

NAVHAZCHECK

No in-app purchases

2 purchases

UN Decoder & Hazmat

Subscriptions2
  • Pro Membeship ( 1 Month )$0.991 Month
  • Pro Membership ( 1 Year )$9.991 Year

Questions

Is NAVHAZCHECK free?
NAVHAZCHECK is free to download, with no in-app purchases.
Is UN Decoder & Hazmat free?
UN Decoder & Hazmat is free to download, with in-app purchases available.
Do NAVHAZCHECK or UN Decoder & Hazmat have ads?
Neither NAVHAZCHECK nor UN Decoder & Hazmat shows ads.
Which is updated more often, NAVHAZCHECK or UN Decoder & Hazmat?
NAVHAZCHECK ships an update every 7 months, and UN Decoder & Hazmat every 3 weeks. Most recently, NAVHAZCHECK was updated on November 4, 2026 and UN Decoder & Hazmat on October 30, 2026.

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