Comparison

Lexicon vs EngClass

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

Head to head
About

Lexicon

Read full description

Stop studying languages. Start speaking them. Forget about the language barrier and the fear of making mistakes. With Lexicon, you can practice English, Spanish, French, or German in live AI chats. It feels just like texting a native-speaking friend, but without the anxiety, available anytime you want. REAL CONVERSATIONS, NOT TEXTBOOKS Chat with 30+ AI characters, each with their own unique personality and backstory. Discuss fashion with Sloane, debate tech with Dan, or gossip with Lola. Every conversation adapts to your level — no scripted dialogues or robotic replies. CAN'T FIND A PARTNER? CREATE ONE Build your ultimate conversational partner: set their personality, profession, and tone. Prep for a job interview, practice ordering food abroad, or just chat about your hobbies in your target language. EVERY MISTAKE IS A STEP TOWARD FLUENCY Lexicon checks your messages in real time and explains your mistakes in your native language. It doesn't just say "wrong" — it shows you WHY it's incorrect and HOW to sound natural. UNDERSTAND CONTEXT, NOT JUST WORDS Tap any word in the chat to get more than just a translation. Get full definitions with examples and nuances. Different meanings are separated so you always grasp the exact sense in your specific context. SAVE WORDS. LEARN THEM. REMEMBER FOREVER. Add words and phrases to your custom decks. Review them with smart flashcards based on spaced repetition — the scientifically proven method used by top polyglots worldwide. EVERY RULE, ALWAYS AT HAND Got stuck? Open the built-in grammar library, structured by CEFR levels (A1–C2). Clear, bite-sized theory means the answer is always just one tap away. SMARTER THAN EXPENSIVE TUTORS A whole month of active practice in Lexicon costs less than one hour with a private tutor. Practice in a comfortable environment where it's safe to make mistakes. YOUR PRIVACY MATTERS Ad-free. No data selling. Your conversations are strictly private. • Languages to learn: English, Spanish, French, German. • Interface languages: Russian, English, Spanish, French, German, Arabic, Chinese, Hindi, Japanese, Portuguese. Download Lexicon today and start speaking fluently! Privacy Policy: https://dub.sh/lex/privacy Terms of Use: https://dub.sh/lex/terms

About

EngClass

Features
Read full description

EngClass — AI English roleplay coach. The killer feature: UNLIMITED CUSTOM SCENARIOS. THE FEATURE NOBODY ELSE HAS: Type any English-speaking situation you face — interviewing at Google about salary, second date small talk, presenting to your foreign CTO — and AI builds the entire Roleplay scene for you in 5 seconds. Practice the situation YOU need, not generic dialogues. PLUS - 10+ ready-made Roleplay scenes (cafe, work, dating, travel, boss) - 5-dimension performance reports (vocabulary, grammar, naturalness, task, politeness) - Native-language voice feedback in Thai, English, Korean, Japanese, Indonesian, Vietnamese - Hint button with native-language gloss when stuck - 146-phrase Beginner Path before Roleplay - Save corrected practices for review SUBSCRIPTIONS - Pro 299 THB/month: 30 hints, 30 reports, 3 custom 3-day scenes - Pro+ 599 THB/month: Pro x 3 quota, 5 custom 7-day scenes - Ultimate 899 THB/month: Unlimited everything, 15-day custom scenes Or buy non-renewing credit bundles. Auto-renew, cancel via Settings > Manage Subscription. Privacy: https://engclass.ai/privacy Terms: https://engclass.ai/terms

Screenshots

Lexicon4 screens
EngClass4 screens

Verdict

The call

The clearest difference is update cadence: EngClass at every 3 days against Lexicon's every 2 months. On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Lexicon sells 4 in-app purchases, starting at $5.99 per month and EngClass sells 6 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Lexicon ships an update every 2 months, EngClass every 3 days. The most recent releases landed on October 16, 2026 and October 1, 2026 respectively.

Scorecard1 real difference · 5 level
Lexicon versus EngClass: the parameters behind the verdict, then further details
ParameterLexiconEngClass
PriceFreeFree
Update frequencyEvery 2 monthsEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone, iPod — better
Requires iOS16.015.1 — better
Further details — not scored
Size54 MB38 MB
Age rating9+4+
DeveloperAleksandr KopachevCET (THAILAND) COMPANY LIMITED

In-app purchases

4 purchases

Lexicon

Subscriptions4
  • Pro 1 Month (-40%)$5.991 Month
  • Pro 1 Month$9.991 Month
  • Pro 1 Year (-40%)$59.991 Year
Show 1 more
  • Pro 1 Year$119.991 Year
6 purchases

EngClass

Subscriptions3
  • EngClass Pro$7.991 Month
  • EngClass Pro+$15.991 Month
  • EngClass Ultimate$23.991 Month
One-time3
  • Starter Credits$2.99
  • Pro Pack Credits$7.99
  • Power Credits$17.99

Questions

Is Lexicon free?
Lexicon is free to download, with in-app purchases available.
Is EngClass free?
EngClass is free to download, with in-app purchases available.
Do Lexicon or EngClass have ads?
Neither Lexicon nor EngClass shows ads.
Which is updated more often, Lexicon or EngClass?
Lexicon ships an update every 2 months, and EngClass every 3 days. Most recently, Lexicon was updated on October 16, 2026 and EngClass on October 1, 2026.

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