Comparison

Polyglot vs Teacher AI

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

Head to head
About

Polyglot

Immerse yourself in a new language to develop listening and speaking skills. Train your accent to sound like a native speaker by learning new words and expressions.

Highlights
  • Immersive language learning
  • Develop listening skills
  • Develop speaking skills
  • Train accent
  • Learn new words and expressions
  • Sound like a native speaker
Features
Read full description

Become fluent in your favorite language now!!! With Polyglot you will immerse yourself in the language and develop your listening and speaking skills. You will train your accent so that you can sound like a native speaker. With Polyglot you will - Learn new words and expressions - Train your accent - Develop your listening skills - Speak more fluidly Supported languages: - English - Spanish - French - More languages coming soon! Privacy Policy: https://cutt.ly/polyglot-privacy-policy Terms of Use: https://cutt.ly/polyglot-terms-of-use

About

Teacher AI

This app focuses on developing speaking confidence through natural AI-powered conversations, moving beyond traditional grammar exercises. It helps users activate vocabulary and build fluency by speaking daily in a stress-free environment. Track your progress based on words actively spoken and build consistent speaking habits.

Highlights
  • AI-powered natural conversations
  • Speaking-first approach
  • Stress-free practice environment
  • Track spoken words and progress
  • Build daily speaking habits
  • Practice multiple languages
Features
Read full description

Designed to speak a language, not just study it! Most language apps focus on exercises, grammar rules, and tapping answers. Teacher AI is different. It was designed together with some of the world’s best language learners and creators to solve the hardest part of language learning: Speaking confidently in real conversations! Built with top language creators & polyglots Teacher AI isn’t a generic language app. It’s shaped by people who have: - Learned dozens of languages to fluency - Built large audiences teaching languages online - Spoken their target languages in the real world The idea: Fluency comes from activating words by speaking, not from doing more exercises. Speaking-first, not exercise-first With Teacher AI: - You don’t just recognize words --> you use them - You don’t fill in blanks --> you talk - You don’t wait until you’re “ready” --> you start speaking now Every session is designed to turn passive knowledge into active language skills through speaking. Natural conversations that actually feel real Teacher AI’s AI tutors are built for natural, flowing conversations. - Speak freely, not in scripted drills - Respond naturally, like in real life - Practice at your own pace, without pressure Many learners say conversations in Teacher AI feel more natural than in any other language app. And because it’s stress-free, you speak more. Which is what actually builds fluency. Activate words, track real progress Teacher AI tracks what truly matters for speaking: - Words you’ve actively spoken - Daily and weekly speaking progress - Streaks that reinforce real habits - You can literally see your fluency grow as your activated word count increases. Build a daily speaking habit Consistency beats motivation. Teacher AI helps you: - Speak a little every day - Build confidence gradually - Turn speaking into a natural habit Many learners join the Speak Every Day Challenge to stay accountable and motivated. Practice speaking multiple languages Practice real conversations in languages like: - Spanish, French, German, Italian, Portuguese, English, Chinese, Japanese, Korean, Indonesian, Dutch and 20 more languages. Whether you’re learning for travel, work, or personal growth, Teacher AI helps you start speaking faster. Why Teacher AI is different - Designed with top language learners - Speaking-first approach - Natural, human-like conversations - Stress-free practice environment - Real progress tracking through spoken words If other apps helped you understand a language but not speak it, Teacher AI is for you. Start speaking today Download Teacher AI and experience stress-free, natural language speaking practice with AI tutors every day. Speak more. Activate words. Become fluent. Subscription Information Teacher AI offers auto-renewable subscriptions (monthly, 6-month, and annual) to unlock full access. Pricing is displayed at sign-up. Payment is charged to your Apple ID at confirmation of purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple ID Account Settings. Privacy Policy: https://yourteacher.ai/privacy-policy/ Terms Of Use: https://yourteacher.ai/terms-of-use/

Screenshots

Polyglot4 screens
Teacher AI4 screens

Verdict

The call

The clearest difference is rating: Polyglot at 4.9 against Teacher AI's 4.3. Polyglot also leads on monetization model (free with in-app purchases vs subscription) and review sentiment (79% vs 46%). Teacher AI's advantage is update cadence (every 2 weeks vs every 9 months). On price, ratings volume, ads and in-app purchases 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. Polyglot sells 2 in-app purchases, starting at $9.99 per month and Teacher AI sells 9 in-app purchases, starting at $16.00 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Polyglot holds the better App Store score, 4.9 against 4.3. Both are backed by a comparable volume of ratings — 138 and 268 respectively. Written reviews point the same way: 79% of Polyglot's written reviews are positive against 46% of Teacher AI's.

UpkeepUpdate frequency

Polyglot ships an update every 9 months, Teacher AI every 2 weeks. The most recent releases landed on October 20, 2026 and October 22, 2026 respectively.

Scorecard5 real differences · 5 level
Polyglot versus Teacher AI: the parameters behind the verdict, then further details
ParameterPolyglotTeacher AI
PriceFreeFree
Rating4.9 (138 ratings) — better4.3 (268 ratings)
Positive reviews78.9% of reviews — better46.3% of reviews
Number of ratings138268 — better
Update frequencyEvery 9 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPodiPhone, iPad
Requires iOS13 — better16.4
Further details — not scored
Size43 MB109 MB
Age rating4+12+
DeveloperLucas CortesTeacher AI

Customer experience

Polyglot

All ratings121 ratings
Positive97.5%
Neutral1.7%
Negative0.8%
Written reviews19 reviews
Positive78.9%
Neutral10.5%
Negative10.5%

Teacher AI

All ratings267 ratings
Positive80.5%
Neutral6.4%
Negative13.1%
Written reviews95 reviews
Positive46.3%
Neutral15.8%
Negative37.9%

Bugs and requests

Polyglot

Not enough reviews yet to summarise bugs or requests.

Teacher AI

Reported bugs

26 issues
  • App logs out after a few weeks
  • Password reset link not received
  • App glitches and spins, becoming unusable
  • Low volume for some voices
  • App crashes or freezes
Show 21 more
  • AI response loading indefinitely
  • Microphone not working correctly
  • Settings deleted or unchangeable after updates
  • AI cuts off user mid-sentence
  • AI asks the same questions repeatedly
  • Subscription issues (charged after cancellation, asked to pay again)
  • App switches languages unexpectedly
  • Error messages when sending AI messages
  • AI doesn't understand basic phrases
  • AI responds in target language when user speaks English
  • Loading screen persists for minutes
  • Gender of AI interlocutor changes mid-conversation
  • Invoices sound pleasant but app is buggy
  • Last update made the app unusable
  • Dictionary box remains empty
  • Stuck on loading response, requires app restart
  • Login issues after free trial or payment
  • Problems using the microphone from browser
  • Pinyin display for Chinese characters no longer works
  • AI mishears or misunderstands speech frequently
  • App errors out before processing speech

Requested features

15 requests
  • Add Haitian Creole language
  • Option to turn off AI ending every response with a question
  • Grammar-focused chat sessions
  • More variety and creativity in topic suggestions
  • Ability to store user interactions on a personal server
Show 10 more
  • Option to hide text to focus on listening
  • Improve copy-paste functionality for checking responses
  • Add a 'translate' button on the user's side of the conversation
  • Option to correct the AI when it mishears
  • Display Pinyin alongside Chinese characters (currently not working)
  • Allow users to correct the AI when it mishears
  • Data storage for user interactions and vocabulary tracking
  • More intuitive UI for beginners
  • FAQ or documentation for app usage
  • Direct tech support channels (chat/voice)

In-app purchases

2 purchases

Polyglot

Subscriptions2
  • Monthly Subscription7 Days trial$9.991 Month
  • Yearly Subscription7 Days trial$49.991 Year
9 purchases

Teacher AI

Subscriptions9
  • Teacher AI - 1 month3 Days trial$16.001 Month
  • Monthly $25.003 Days trial$24.991 Month
  • Teacher AI - 1 month3 Days trial$24.991 Month
Show 6 more
  • Teacher AI - 1 month$24.991 Month
  • Teacher AI - 6 months7 Days trial$67.006 Months
  • Teacher AI - 1 year7 Days trial$97.001 Year
  • Teacher AI - 6 months7 Days trial$106.996 Months
  • Teacher AI - 6 months$106.996 Months
  • Teacher AI - 1 year7 Days trial$146.991 Year

Questions

Is Polyglot free?
Polyglot is free to download, with in-app purchases available.
Is Teacher AI free?
Teacher AI is free to download, with in-app purchases available.
Which has better reviews, Polyglot or Teacher AI?
Polyglot is rated higher. Polyglot averages 4.9 out of 5 from 138 ratings, while Teacher AI averages 4.3 from 268 ratings.
Do Polyglot or Teacher AI have ads?
Neither Polyglot nor Teacher AI shows ads.
Which is updated more often, Polyglot or Teacher AI?
Polyglot ships an update every 9 months, and Teacher AI every 2 weeks. Most recently, Polyglot was updated on October 20, 2026 and Teacher AI on October 22, 2026.

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