Comparison

LEO Dictionary vs Launch Buoy

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

Head to head
About

LEO Dictionary

Access extensive language dictionaries with example sentences and audio pronunciations. Improve your vocabulary with a spaced repetition system and get help with language questions in community forums.

Highlights
  • Extensive multilingual dictionaries
  • Audio pronunciation
  • Vocabulary trainer with spaced repetition
  • User-created wordlists
  • Language learning forums
  • Noun and verb tables
  • Grammar and etymology
Features
Read full description

This app offers free access to LEO's dictionaries, vocab trainer and forums. Are you in need of a reliable language reference? LEO’s comprehensive dictionaries include wide-ranging vocabulary, example sentences and audio pronunciation. Or would you like to take a foreign language to the next level? Why not try our vocab trainer with its tried-and-tested spaced repetition system. In LEOs Forum kannst du dir zudem Rat zu Sprachfragen holen, die über eine reine Wörterbuchfunktion hinausgehen. Our dictionaries contain around ­ 2,944,000 entries and is being updated as you read this. * English ⇔ German (840,000 entries) * French ⇔ German (280,000 entries) * Spanish ⇔ German (261,000 entries) * Italian ⇔ German (258,000 entries) * Chinese ⇔ German (238,000 entries) * Russian ⇔ German (373,000 entries) * Portuguese ⇔ German (171,000 entries) * Polish ⇔ German (99,000 entries) * English ⇔ Spanish (232,000 entries) * Spanish ⇔ Portuguese (77,000 entries) * English ⇔ French (61,000 entries) * English ⇔ Russian (54,000 entries) With LEO you can do more than just look up the meaning of a word in a different language. LEO also provides: * noun and verb tables * real voice audio pronunciation (no speech synthesis) * definitions * grammar and etymology, as well as other information relevant to the search term(s) including * orthographically similar words * possible base forms for inflected words * links to forum discussions containing the search term(s) Vocabulary trainer Our free vorab trainer is the perfect companion to build your vocabulary – whether at school or on your holidays. All you need is a free user account and you’re good to start your learning journey. * Use our curated wordlists to practice vocabulary used in German textbooks at secondary schools * Learn words with LEO’s spaced repetition system * Create your own wordlists – be it for school, for professional contexts or for your holidays * Set your learning targets and learn at your own speed * Enhance your language skills with a sustainable approach * Collect as many words and phrases as you like – there is no word limit even in the free version of our app Forums The LEO Forum exists to provide a platform for language-related questions that are not answered in the dictionary. If you would like to get help from other users or contribute to questions yourself, you need to register a user account (free of charge). The app contains adverts which you can choose to remove by subscribing to our ad-free version. https://www.apple.com/legal/itunes/appstore/dev/stdeula You can find a detailed description of all of our services on our website https://www.leo.org

About

Launch Buoy

Features
Read full description

Launch Buoy is the boater's guide to the Space Coast. See upcoming rocket launches, advisory keep-out zones, and waterway infrastructure on a live nautical map — so you can catch every launch from the water and know the areas launch operators ask boaters to avoid. WATCH LAUNCHES FROM THE WATER • Upcoming launch schedule for Cape Canaveral and beyond, with vehicle, provider, pad location, and live status • Countdown timers and "Go for Launch" status updates • See exactly how far each launch pad is from your current position • Filter launches by your state, your country, or worldwide KNOW THE KEEP-OUT ZONES • Advisory keep-out zones published by launch operators, drawn directly on the map • Real-time proximity warnings when you approach a published zone — and an urgent alert if you're inside one • Distances shown in nautical miles, the way mariners navigate EXPLORE THE WATERWAYS • Clean nautical map built for small craft • Locks, drawbridges, and other waterway infrastructure marked on the map • Weekly event strip shows what's happening on the water each day • Your live position, speed, and heading on the map • Launch reminders: follow a launch and get a notification if its time changes or it's scrubbed, plus a reminder before lift-off (free account required) MADE FOR EVERYONE ON THE WATER • Browse everything as a guest — no account required • Sign in to unlock more features • Designed for iPhone and iPad Zone information in Launch Buoy is advisory. Always follow official charts and U.S. Coast Guard notices to mariners for authoritative restrictions. Whether you're anchoring in the Banana River for a night launch or just cruising the Intracoastal, Launch Buoy keeps you informed.

Screenshots

LEO Dictionary4 screens
Launch Buoy4 screens

Verdict

The call

The clearest difference is in-app purchases: Launch Buoy at none against LEO Dictionary's 5. Launch Buoy also leads on ads (none vs shown). LEO Dictionary's advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (13.0 vs 16.4). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. LEO Dictionary sells 5 in-app purchases, starting at $7.49 per year. Launch Buoy asks for nothing beyond the download.

UpkeepUpdate frequency

LEO Dictionary ships an update every 3 weeks, Launch Buoy every 2 months. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.

Scorecard4 real differences · 6 level
LEO Dictionary versus Launch Buoy: the parameters behind the verdict, then further details
ParameterLEO DictionaryLaunch Buoy
PriceFreeFree
Rating4.0 (225 ratings) — better—
Positive reviews67.6% of reviews—
Number of ratings225 — better—
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better16.4
Further details — not scored
Size40 MB75 MB
Age rating4+4+
DeveloperLEO GmbHBlue Ridge Bargains

Bugs and requests

LEO Dictionary

Reported bugs

4 issues
  • Search function not working reliably
  • App crashes when switching between languages
  • Saved word lists not syncing across devices
  • Inconsistent performance on older devices

Requested features

5 requests
  • Offline dictionary functionality
  • Improved word list management and editing
  • Customizable user interface and themes
  • Enhanced verb conjugation and grammar tools
  • Seamless integration with language learning apps

Launch Buoy

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

LEO Dictionary

Subscriptions1
  • Ad-free annual subscription$7.491 Year
One-time4
  • Westermann Camden Town 5$8.95
  • Westermann Camden Town 6$8.95
  • Westermann Camden Town 7$8.95
Show 1 more
  • Westermann Camden Town 8$8.95
None

Launch Buoy

No in-app purchases

Questions

Is LEO Dictionary free?
LEO Dictionary is free to download, with in-app purchases available.
Is Launch Buoy free?
Launch Buoy is free to download, with no in-app purchases.
Do LEO Dictionary or Launch Buoy have ads?
LEO Dictionary shows ads; Launch Buoy does not.
Which is updated more often, LEO Dictionary or Launch Buoy?
LEO Dictionary ships an update every 3 weeks, and Launch Buoy every 2 months. Most recently, LEO Dictionary was updated on October 15, 2026 and Launch Buoy on October 12, 2026.

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