UN Decoder & Hazmat vs Smart DGR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UN Decoder & Hazmat
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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.
Smart DGR
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The reference for dangerous-goods pros: search UN entries, hazard classes, packing instructions, and ERG & ADR emergency cards. No account, fully offline. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.aviodevsolutions.com/smartdgr/privacypolicy
Screenshots
Verdict
The clearest difference is iOS requirement: UN Decoder & Hazmat at 13.0 against Smart DGR's 17.0. On price, update cadence, ads and in-app purchases 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
Both are free to download. UN Decoder & Hazmat sells 2 in-app purchases, starting at $0.99 per month and Smart DGR sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.
UN Decoder & Hazmat ships an update monthly, Smart DGR every 3 weeks. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.
| Parameter | UN Decoder & Hazmat | Smart DGR |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 47 MB | 16 MB |
| Age rating | 12+ | 4+ |
| Developer | AYLIN BICEN | AvioDev Solutions LLC |
In-app purchases
UN Decoder & Hazmat
- Pro Membeship ( 1 Month )$0.991 Month
- Pro Membership ( 1 Year )$9.991 Year
Smart DGR
- Smart DGR Pro Monthly$8.991 Month
- Smart DGR Pro Yearly$74.991 Year
Questions
Is UN Decoder & Hazmat free?
Is Smart DGR free?
Do UN Decoder & Hazmat or Smart DGR have ads?
Which is updated more often, UN Decoder & Hazmat or Smart DGR?
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