WRK | World Knowledge vs Airport Codes Map
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
WRK | World Knowledge
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Learning IATA airport codes and their location in the world, is a big part of the lessons World Knowledge (WRK) at MBO College Airport. The app is built to help you study and prepare for the tests.
Airport Codes Map
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β EXAM PREP MODE Mock exams built around the syllabus of real certifications: - Travel agent exam: 20 questions on city codes, airport codes, 2-letter airline codes and alliances. Pass mark 60% - Cabin crew / ground staff (airport codes test): 20 questions focused on typing 3-letter IATA codes. Pass mark 90% Answer 20 questions in one sitting for a pass/fail verdict. A free 5-question trial exam is available before you buy. Note: this app is an unofficial study tool and is not affiliated with any exam body. The questions are not official past papers. Master IATA 3-letter (HND / LAX / LHR) and ICAO 4-letter (RJTT / KLAX / EGLL) airport codes by tapping locations on a world map. For aspiring pilots, cabin crew candidates, airport enthusiasts, geography lovers, and frequent international travelers. βΌ Highlights β 100 major world airports fully free β Unlock all 1191 airports (every IATA-coded airport in Japan, all 88) + 50 city codes + 125 airlines with a one-time purchase β No ads. Offline-ready β no network needed after first download β Intuitive map-tap interface β location becomes muscle memory β Spaced Repetition (SRS) surfaces the airports you keep missing β IATA / ICAO / mixed modes for flexible learning β 24-stage Quest Mode for gradual mastery from beginner to expert β Mastery Map β airports you've learned light up in green β All 3 major airline alliances (Star Alliance / oneworld / SkyTeam) with member carriers βΌ Perfect for - Aspiring commercial and private pilots - Aviation industry candidates and cabin crew applicants - Airport and aviation enthusiasts (avgeeks) - International travelers who want to read ticket codes at a glance - Geography, world map, and world affairs fans - IATA / ICAO certification study companion βΌ Content - 1191 airports (IATA + ICAO + latitude/longitude) - 50 metropolitan city codes (TYO = Tokyo [HND/NRT], NYC = New York [JFK/LGA/EWR], etc.) - 125 airlines (IATA 2-letter + ICAO 3-letter + hub airport) βΌ Learning Modes - Airport Quiz β tap the correct airport on the map - City Code Quiz β pinpoint metropolitan hubs - Airline Hub β locate the airline's home base on the map - Airline Name β identify the carrier from its two-letter code - Alliance β pick the alliance the airline belongs to - Code Input β type the IATA / ICAO code with the on-screen keyboard - Review β SRS drills for the airports you missed βΌ Details - Data source: OurAirports (Public Domain) - Japanese names attached to major hubs - Wikipedia links available in 6 languages (Japanese / English / Korean / Traditional Chinese / Spanish / German), opened in your UI language - One-time purchase β no subscription - No ads. Learn without distractions. βΌ Sample airports you'll learn HND (Tokyo Haneda) / NRT (Tokyo Narita) / KIX (Osaka Kansai) / LAX (Los Angeles) / JFK (New York) / LHR (London Heathrow) / CDG (Paris Charles de Gaulle) / FRA (Frankfurt) / SIN (Singapore) / HKG (Hong Kong) / ICN (Seoul Incheon) / DXB (Dubai) / SYD (Sydney)... Look at "HND", "LAX", "LHR" and instantly picture where you want to go.
Screenshots
Verdict
The clearest difference is in-app purchases: WRK | World Knowledge at none against Airport Codes Map's 1. Airport Codes Map's advantage is update cadence (every 5 days vs every 26 months). On price, ads, device support and iOS requirement 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
Both are free to download. Airport Codes Map sells 1 one-off in-app purchase. WRK | World Knowledge asks for nothing beyond the download.
WRK | World Knowledge ships an update every 26 months, Airport Codes Map every 5 days. The most recent releases landed on September 20, 2026 and September 17, 2026 respectively.
| Parameter | WRK | World Knowledge | Airport Codes Map |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 26 months | Every 5 days β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 β better | 15.0 |
| Further details β not scored | ||
| Size | 478 MB | 89 MB |
| Age rating | 17+ | 4+ |
| Developer | Ilonka Rebergen | Kazuaki Takahashi |
In-app purchases
WRK | World Knowledge
No in-app purchases
Airport Codes Map
- γ―γΌγ«γγγγ―$3.99
Questions
Is WRK | World Knowledge free?
Is Airport Codes Map free?
Do WRK | World Knowledge or Airport Codes Map have ads?
Which is updated more often, WRK | World Knowledge or Airport Codes Map?
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