Comparison

Bubblegum vs Lexidex

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

Head to head
About

Bubblegum

This app uses AI to create personalized Korean reading materials with inline translations and audio. It features an AI tutor for explanations and practice, and a unique review system that resurfaces saved vocabulary within new content. Track your progress with encouraging statistics.

Highlights
  • AI-generated personalized reading content
  • Inline translations and grammar explanations
  • Synchronized audio narration
  • AI Korean tutor chatbot
  • Regenerative vocabulary review
  • Progress tracking and statistics
Features
Read full description

Bubblegum makes learning languages feel clear and personal. Read lessons about what you love, tap any word for help without losing your place, hear natural audio, and see your saved words again right when you need them. Built by language learners for learners. Why learners choose Bubblegum: • Personal lessons: pick from thousands of ideas or write your own, and Poppy, your AI tutor, writes a reading at your level with natural audio in seconds. • Help on tap: see word meanings, grammar notes, and cultural context right inside the text. • Listen as you read: natural narration highlights each line in sync to train your ear. • Ask Poppy anything: get deeper explanations, extra practice, or answers about the language you are learning. • Keep words fresh: Regenerative Review™ brings the words you save back inside future lessons, so you never grind through endless flashcards. • Real momentum: friendly stats celebrate your study time and recent wins. No streaks, no guilt. Every language is taught in its own right: • English (American, British, Australian), Spanish (Spain, Latin America, Río de la Plata), French (France, Canada), and Portuguese (Brazil, Portugal). • Korean, with a course that teaches you to read Hangul. • Japanese, with hiragana, katakana, and kanji courses, plus furigana whenever you want it. • Chinese in Simplified or Traditional characters with Pinyin, and Cantonese with Jyutping and its six tones. • Vietnamese (Northern, Central, Southern) and Arabic (Modern Standard, Egyptian, Moroccan), in the variety you choose. • Indonesian, Malay, Filipino (Tagalog), Cebuano, and Thai, for warm everyday conversations. • Russian and Ukrainian, each with a course that teaches you to read Cyrillic. • German, Italian, Swedish, Danish, Norwegian, Dutch, Finnish, Bulgarian, and Macedonian, with grammar explained inside real sentences. • Turkish and Azerbaijani, with vowel harmony and word endings explained as you read. • Polish, Czech, Slovak, Slovenian, Hungarian, Croatian, Romanian, Albanian, Serbian, Belarusian, Lithuanian, Latvian, and Estonian, with endings explained where you meet them. • Welsh, Irish, Galician, Basque, Catalan, Swahili, Haitian Creole, Nigerian Pidgin, Javanese, Hausa, Ilocano, Maltese, Māori, Somali, Yoruba, Icelandic, Luxembourgish, Afrikaans, Uzbek, and Twi, each with natural audio and its own culture. • Toki Pona, a tiny language made for fun and simple ideas. Bubblegum stays proudly learner-first, learner-funded, and ad-free. Need a hand? Email support@bubblegum.la.

About

Lexidex

This app helps you build your vocabulary by journaling language insights. It features quick note-taking, spaced repetition training, and tracking for multiple languages. You can also customize the interface and care for a virtual pet.

Highlights
  • Customizable interface
  • Quick note-taking for new words/phrases
  • Spaced repetition training
  • Track multiple languages
  • Virtual pet care
Features
Read full description

Take your scattered/fleeting bits of language-learning insights and codify them in Lexidex, your on-the-go lexicon! - Customizable: show and use what you'd like; hide the rest - Quick add: see/hear something in the wild? Jot it down real fast - Built-in spaced repetition training - Purchase presents for your pixelated pet - Track multiple languages and configurations Language journaling helps forge deep, personalized linguistic memories from raw language input. Give it a try!

Screenshots

Bubblegum4 screens
Lexidex3 screens

Verdict

The call

The clearest difference is in-app purchases: Lexidex at none against Bubblegum's 10. Bubblegum's advantage is ratings volume (168 vs 2). On price, rating, ads 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. Bubblegum sells 10 in-app purchases, starting at $5.99 per 7 days. Lexidex asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Bubblegum against 5.0 for Lexidex. That said, the two scores are not equally well evidenced: Bubblegum has 168 ratings behind it against 2, so its average is the more settled of the two.

Scorecard3 real differences · 7 level
Bubblegum versus Lexidex: the parameters behind the verdict, then further details
ParameterBubblegumLexidex
PriceFreeFree
Rating4.9 (168 ratings)5.0 (2 ratings) — better
Positive reviews78.9% of reviews—
Number of ratings168 — better2
Update frequencyDaily—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhoneiPhone, iPad — better
Requires iOS16.016.0
Further details — not scored
Size185 MB30 MB
Age rating12+4+
DeveloperBubblegum LanguagesPatrick Lee

Customer experience

Bubblegum

All ratings168 ratings
Positive97.6%
Neutral0.6%
Negative1.8%
Written reviews19 reviews
Positive78.9%
Neutral10.5%
Negative10.5%

Lexidex

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

10 purchases

Bubblegum

Subscriptions9
  • Bubblegum Pro Weekly Subscription7 Days trial$5.997 Days
  • Bubblegum Pro Monthly Subscription7 Days trial$13.991 Month
  • Bubblegum Plus Monthly Subscription$14.991 Month
Show 6 more
  • Bubblegum Pro Monthly Subscription$17.991 Month
  • Bubblegum Pro Annual Subscription3 Days trial$69.991 Year
  • Bubblegum Pro Annual Subscription7 Days trial$69.991 Year
  • Bubblegum Pro Annual Subscription$79.991 Year
  • Bubblegum Pro Annual Subscription1 Year trial$99.991 Year
  • Bubblegum Pro 6-Month Subscription7 Days trial$119.996 Months
One-time1
  • Founding Member$899.99
None

Lexidex

No in-app purchases

Questions

Is Bubblegum free?
Bubblegum is free to download, with in-app purchases available.
Is Lexidex free?
Lexidex is free to download, with no in-app purchases.
Which has better reviews, Bubblegum or Lexidex?
Lexidex is rated higher. Bubblegum averages 4.9 out of 5 from 168 ratings, while Lexidex averages 5.0 from 2 ratings.
Do Bubblegum or Lexidex have ads?
Neither Bubblegum nor Lexidex shows ads.

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