World Clock Pro vs Aviation Dictionary
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
World Clock Pro
Easily track and convert time across multiple global time zones. Schedule events, share accurate times instantly, and access a vast database of cities and time zones. Ideal for international communication and planning.
- Universal clock access
- Effortless time conversion
- Schedule calendar events
- Instant time sharing
- Large city and timezone database
- Automatic timezone updates
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TIMEZONE CALCULATOR – YOUR ULTIMATE WORLD TIME COMPANION Master global time with a tool that is clear, concise, and built for busy international lives. Whether you’re scheduling business meetings or connecting with friends overseas, World Clock Pro keeps you in sync—simply and directly. ESSENTIAL FEATURES UNIVERSAL CLOCK ACCESS: View accurate times in cities around the world—New York, London, Tokyo, Sydney. No fuss, just the facts. EFFORTLESS TIME CONVERSION: Swipe to convert and compare time zones with precision. Plan your calls and meetings with ease. SCHEDULE WITH CONFIDENCE: Create and integrate calendar events quickly. Organize trips, group activities, and international calls without confusion. INSTANT TIME SHARING: Share exact times via email, SMS, social media, or messengers. Coordination is just a click away. HUGE CITY & TIMEZONE DATABASE: Access over 160,000 cities and popular time zones like GMT, UTC, EST, and PST at your fingertips. WHY THIS APP MATTERS Say goodbye to timezone confusion. This isn’t just another world clock—it’s a powerful tool for global thinkers, frequent travelers, and anyone who values clear, reliable time data. Streamline your schedule and manage your day without delay. EXTEND YOUR EXPERIENCE For a deeper dive into global time management, World Clock Pro is also available on Mac. Just search “World Clock Pro” in the Mac AppStore * * * World Clock Pro offers a premium subscription: Subscribe to get access to unlimited timezones, and timely automatic updates of our timezone database of more than 160,000 locations and timezones. – Length of subscription: 1 month or 1 year – Payment will be charged to iTunes Account at confirmation of purchase – Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period – Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal – Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase – Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable – Terms & Conditions: https://timemaster.s3.amazonaws.com/Time-master-terms.pdf – Privacy Policy: https://timemaster.s3.amazonaws.com/Time-master-privacy-policy.pdf
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.
- Offline access
- 6000+ aviation words & abbreviations
- Search functionality
- Bookmarking
- Text-to-speech pronunciation
- Phonetic alphabet & Q-codes
- Airline & airport information
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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
Screenshots
Verdict
The clearest difference is rating: World Clock Pro at 4.8 against Aviation Dictionary's 4.1. World Clock Pro also leads on review sentiment (77% vs 40%) and ads (none vs shown). Aviation Dictionary's advantage is monetization model (free with in-app purchases vs subscription). On price, in-app purchases and device support 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. World Clock Pro sells 5 in-app purchases, starting at $1.99 per month and Aviation Dictionary sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.
World Clock Pro holds the better App Store score, 4.8 against 4.1. That said, the two scores are not equally well evidenced: World Clock Pro has 1.4K ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 77% of World Clock Pro's written reviews are positive against 40% of Aviation Dictionary's.
World Clock Pro ships an update every 2 months, Aviation Dictionary every 4 months. Both last shipped on October 22, 2026.
| Parameter | World Clock Pro | Aviation Dictionary |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (1.4K ratings) — better | 4.1 (19 ratings) |
| Positive reviews | 76.7% of reviews — better | 40.0% of reviews |
| Number of ratings | 1.4K — better | 19 |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | Free with in-app purchases — better |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 41 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Alex Komarov Inc. | Evans Mauta |
Customer experience
World Clock Pro
Aviation Dictionary
Bugs and requests
World Clock Pro
Reported bugs
3 issues- Widget not working on iOS 14 and newer
- Issues with local time zone detection and display
- Inconsistent behavior after app updates
Requested features
4 requests- Add date function for future time zone changes
- Ability to customize and sort displayed time zones
- Implement an Apple Watch app
- Improve widget functionality and customization
Aviation Dictionary
Not enough reviews yet to summarise bugs or requests.
In-app purchases
World Clock Pro
- 1 month$1.991 Month
- 1 month2 variants$2.991 Month
- 1 year3 Days trial$9.991 Year
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- 1 year3 Days trial$11.991 Year
- 1 year3 Days trial$19.991 Year
Aviation Dictionary
- AvDic Pro - 1 Week$0.997 Days
- AvDic Pro - 1 Month$2.991 Month
- AvDic Pro - 1 Year$19.991 Year
Questions
Is World Clock Pro free?
Is Aviation Dictionary free?
Which has better reviews, World Clock Pro or Aviation Dictionary?
Do World Clock Pro or Aviation Dictionary have ads?
Which is updated more often, World Clock Pro or Aviation Dictionary?
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