Comparison

Aviation Dictionary vs Stratos

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

Head to head
About

Aviation Dictionary

This app provides a comprehensive offline dictionary and reference for aviation terminology, including over 6000 words and abbreviations. It's designed for pilots, technicians, and aviation specialists to quickly access definitions, phonetic alphabets, Q-codes, and more. Features include search, bookmarking, and text-to-speech pronunciation.

Highlights
  • Offline access
  • 6000+ aviation words & abbreviations
  • Search functionality
  • Bookmarking
  • Text-to-speech pronunciation
  • Phonetic alphabet & Q-codes
  • Airline & airport information
Features
Read full description

Aviation Dictionary is an educational and reference application created to collect and store all the most commonly used words and abbreviations in the aviation industry. It is designed to give pilots (both students and graduates), technicians, ATC , engineers and other related aviation specialist a quick reference to learn and remember all the vocabulary used in their day-to-day aviation life. FEATURES: -Works offline -Over 6000 words and abbreviations -Word/Abbreviation searching -Bookmarking -Font adjustment -Speak - Press the speak button to hear how the words sound (uses phones text-to-speech engine) -Share - You can share your favourite words & abbreviations with your friends -Find meanings of Abbreviations -Get more information on words via web search -Contribute - Send contributions straight to the developer. -Edit - Edit any incorrect information and send the edits to the developer EXTRA FEATURES: -Phonetic Alphabet - A list of all the NATO phonic characters and their respective Morse codes -Q-Codes - All the aeronautical service Q-codes and what they mean -Standard Phraseology - The standard words used in radio communications and what they mean -Aircraft Registration Prefixes - The registration prefixes painted on all aircraft for their respective country -Airlines - Information on over 100 international airlines -Airports - Information on over 2000 airports around the world -International Dialling Codes - List of countries with their cellphone country codes -Measures/Conversion Factors - The most commonly used measures in aviation with conversions to other units -V Speeds - Compilation of all V Speeds and their descriptions -Links - Links to aviation organisations, news, weather and discussion forums

About

Stratos

Discover new airports, log your flights, and connect with fellow pilots. This app offers interactive maps, flight tracking, performance stats, and a community feed for aviation enthusiasts.

Highlights
  • Interactive airport map
  • Flight logging and tracking
  • Pilot performance stats
  • Community feed
  • Airport discovery with filters
  • Flight journals and debriefing
Read full description

Welcome to Stratos, an app designed, coded and brought to life by one passionate pilot (me), for pilots. Whether you’re looking for new cool GA airports to explore, a way to track & share your flights, access your pilot performance stats, or a space to connect with other aviation enthusiasts, Stratos brings it all together in one place. **Discover New Airports and Nearby Activities** • Explore airports worldwide with our interactive map.  • Filter by runway specifications or nearby attractions like restaurants, parks, or museums, and plan your next adventure with ease.  • See where you’ve flown and save your favorite destinations for the future.  • Stratos will show you who has flown to that airport and what they have to say about it! **Log Your Flights and Track Progress** • Keep a record of your flights effortlessly with precise tracking data and reflect on your performance with self-assessments and debriefing tools.  • Stratos helps you turn every flight into a learning experience, complete with journals and visual progress tracking.  • Your flight and pictures will be shared across the app community feed, so that you can get the props you deserve for that butter landing! **Connect with the Aviation Community** • Join a network of pilots and aviation enthusiasts, share your flights, and see what others are up to.  • Find local aviators at your home airport or connect with like-minded pilots from across the globe! Stratos is built to support your journey as a pilot, whether you’re flying for fun or honing your skills. It’s not just about where you’ve been—it’s about where you’re going next. Give it a try, it's free!

Screenshots

Aviation Dictionary4 screens
Stratos4 screens

Verdict

The call

Aviation Dictionary and Stratos both sit at 4.3 stars, but that hides the real split: 100% of Stratos's written reviews are positive against 40% of Aviation Dictionary's. Stratos also leads on update cadence (every 3 weeks vs every 4 months). Aviation Dictionary's advantage is ratings volume (18 vs 6). On price, rating, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Aviation Dictionary sells 3 in-app purchases, starting at $0.99 per 7 days and Stratos sells 7 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.3 for Aviation Dictionary against 4.3 for Stratos. Both are backed by a comparable volume of ratings — 18 and 6 respectively. Written reviews are what separate them: 40% of Aviation Dictionary's written reviews are positive against 100% of Stratos's.

UpkeepUpdate frequency

Aviation Dictionary ships an update every 4 months, Stratos every 3 weeks. The most recent releases landed on October 5, 2026 and September 28, 2026 respectively.

Scorecard3 real differences · 7 level
Aviation Dictionary versus Stratos: the parameters behind the verdict, then further details
ParameterAviation DictionaryStratos
PriceFreeFree
Rating4.3 (18 ratings)4.3 (6 ratings) — better
Positive reviews40.0% of reviews100.0% of reviews — better
Number of ratings18 — better6
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.0
Further details — not scored
Size32 MB47 MB
Age rating4+4+
DeveloperEvans MautaSTRATOS AVIATION LLC

Customer experience

Aviation Dictionary

All ratings18 ratings
Positive77.8%
Neutral5.6%
Negative16.7%
Written reviews10 reviews
Positive40.0%
Neutral10.0%
Negative50.0%

Stratos

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Aviation Dictionary

Subscriptions3
  • AvDic Pro - 1 Week$0.997 Days
  • AvDic Pro - 1 Month$2.991 Month
  • AvDic Pro - 1 Year$19.991 Year
7 purchases

Stratos

Subscriptions4
  • Pro1 Month trial$6.991 Month
  • Stratos Pro$9.991 Year
  • Pro1 Month trial$34.996 Months
Show 1 more
  • Pro1 Month trial$59.991 Year
One-time3
  • 5 Historical Flight Credits$3.99
  • 10 Historical Flight Credits$5.99
  • 20 Historical Flight Credits$9.99

Questions

Is Aviation Dictionary free?
Aviation Dictionary is free to download, with in-app purchases available.
Is Stratos free?
Stratos is free to download, with in-app purchases available.
Which has better reviews, Aviation Dictionary or Stratos?
Stratos is rated higher. Aviation Dictionary averages 4.3 out of 5 from 18 ratings, while Stratos averages 4.3 from 6 ratings.
Do Aviation Dictionary or Stratos have ads?
Both Aviation Dictionary and Stratos show ads.
Which is updated more often, Aviation Dictionary or Stratos?
Aviation Dictionary ships an update every 4 months, and Stratos every 3 weeks. Most recently, Aviation Dictionary was updated on October 5, 2026 and Stratos on September 28, 2026.

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