Lexicon vs EngClass
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lexicon
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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
EngClass
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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
Verdict
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
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.
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.
| Parameter | Lexicon | EngClass |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 54 MB | 38 MB |
| Age rating | 9+ | 4+ |
| Developer | Aleksandr Kopachev | CET (THAILAND) COMPANY LIMITED |
In-app purchases
Lexicon
- Pro 1 Month (-40%)$5.991 Month
- Pro 1 Month$9.991 Month
- Pro 1 Year (-40%)$59.991 Year
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- Pro 1 Year$119.991 Year
EngClass
- EngClass Pro$7.991 Month
- EngClass Pro+$15.991 Month
- EngClass Ultimate$23.991 Month
- Starter Credits$2.99
- Pro Pack Credits$7.99
- Power Credits$17.99









