Comparison

FreeLingo Language Flashcards vs WordTrees

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

Head to head
About

FreeLingo Language Flashcards

This app helps you learn and retain new vocabulary across multiple languages. It offers structured learning, spaced repetition, and various review formats to ensure long-term memory. You can import words from text, files, or images, and customize your learning experience.

Highlights
  • AI-powered vocabulary import
  • Spaced repetition review system
  • Customizable vocabulary lists
  • Multiple review and testing formats
  • Audio-based listening review
  • Lock screen and home screen widgets
  • AI chat for reflection
Features
Read full description

Free Lingo is a vocabulary learning app built to help you actually retain what you study. Whether you’re learning English, Chinese, Japanese, or Spanish, it gives you a clearer path from first exposure to long-term memory, so studying words feels more structured, less random, and easier to stick with over time. A lot of vocabulary apps help you start, but not many help you keep going. Free Lingo is designed around the full learning cycle: learn new words, review them at the right time, check what you remember, and keep reinforcing them until they stay with you. After you study, the app automatically builds an 8-step review plan and helps surface the next best action, so you are not left wondering whether you should learn something new or review what you already studied. It is also built for learners who want more control over what they study. You can create your own vocabulary lists, import words from text, files, and images, review what was extracted, remove what you do not need, filter duplicates, and either start a new plan or add words to an existing one. That makes Free Lingo a better fit for self-learners, readers, travelers, students, and anyone who wants to build a vocabulary system around real personal needs instead of relying only on fixed word banks. The learning experience goes beyond simple flashcard repetition. You can study with card-based learning flows, then reinforce memory through different review and testing formats, including Bloom-style cognitive checks, similar-word discrimination, and spelling-based exercises. Instead of only seeing a word once and moving on, you revisit it from different angles, which makes learning feel more active and helps memory stick more naturally. Free Lingo is also designed to work well in real life, not just in ideal study sessions. You can use audio-based listening review to replay vocabulary during commutes or downtime, keep words visible with lock screen and home screen widgets, revisit completed content without disrupting your review schedule, and use AI chat to reflect on what you learned that day. Personalized feed cards also help reinforce studied words through confusion pairs, word families, usage scenes, misuse correction, emotional context, and other lightweight review formats. If you want a vocabulary app that helps you learn English, Chinese, Japanese, or Spanish with more structure, less friction, and a stronger sense of progress, Free Lingo is built for that kind of long-term learning. It is not just about seeing more words. It is about giving you a system that helps those words stay with you. If you have any suggestions or ideas, feel free to contact us. Email: sirbliar@gmail.com Terms of Use: https://wenyanji.com/publication/terms-usage/ Privacy Policy: https://wenyanji.com/publication/preprint/ Terms of Service: https://wenyanji.com/publication/journal-article/

About

WordTrees

This app uses AI to break down words into their roots, prefixes, and suffixes, revealing their origins and semantic connections. It builds a visual word network, expanding vocabulary through derivatives and related terms for efficient learning.

Highlights
  • AI-powered word dissection
  • Root, prefix, suffix analysis
  • Word relationship network
  • Visual tree diagram display
  • Vocabulary expansion tools
  • Native iOS design
Features
Read full description

WordTrees helps you understand English words and keep them close as you read. LOOK UP WITH CONTEXT Search the built-in offline dictionary for definitions, pronunciation, word structure, and related vocabulary. Explore roots and affixes to see how a word is formed. AI analysis is available as a separate, user-initiated option. MAKE VOCABULARY YOUR OWN Save words, organize personal libraries and folders, and review them in a focused study mode. Choose from built-in vocabulary lists or import your own words. READ AND LEARN Browse English articles in a clean in-app reader. Tap a word in the text for a quick explanation, then continue reading. Save articles and resume from your reading history. You can also add supported ebooks to your personal shelf. SEE CONNECTIONS Visual word maps and related-word views make it easier to discover how vocabulary connects. WordTrees combines lookup, reading, and review in one place for everyday English learning and exam preparation. Some AI features require network access and may have usage limits. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

FreeLingo Language Flashcards4 screens
WordTrees3 screens

Verdict

The call

The clearest difference is in-app purchases: WordTrees at none against FreeLingo Language Flashcards's 4. On price, review sentiment, update cadence and ads 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. FreeLingo Language Flashcards sells 4 in-app purchases, starting at $2.99 per month. WordTrees asks for nothing beyond the download.

UpkeepUpdate frequency

FreeLingo Language Flashcards ships an update every 10 days, WordTrees weekly. Both last shipped on October 24, 2026.

Scorecard2 real differences · 6 level
FreeLingo Language Flashcards versus WordTrees: the parameters behind the verdict, then further details
ParameterFreeLingo Language FlashcardsWordTrees
PriceFreeFree
Positive reviews100.0% of reviews100.0% of reviews
Update frequencyEvery 10 daysWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium — betterPaid
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.017.6 — better
Further details — not scored
Size86 MB36 MB
Age rating4+4+
Developer玉广 尹祖浪 吴

Customer experience

FreeLingo Language Flashcards

Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

WordTrees

Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

FreeLingo Language Flashcards

Subscriptions3
  • 按月订阅$2.991 Month
  • 按季度订阅$11.003 Months
  • 按年订阅$44.991 Year
One-time1
  • 永久解锁$99.99
None

WordTrees

No in-app purchases

Questions

Is FreeLingo Language Flashcards free?
FreeLingo Language Flashcards is free to download, with in-app purchases available.
Is WordTrees free?
WordTrees is free to download, with no in-app purchases.
Do FreeLingo Language Flashcards or WordTrees have ads?
Neither FreeLingo Language Flashcards nor WordTrees shows ads.
Which is updated more often, FreeLingo Language Flashcards or WordTrees?
FreeLingo Language Flashcards ships an update every 10 days, and WordTrees weekly. Most recently, FreeLingo Language Flashcards was updated on October 24, 2026 and WordTrees on October 24, 2026.

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