# KensAI vs Polyglob

The clearest difference is update cadence: Polyglob at every 3 days against KensAI's fortnightly. Polyglob also leads on iOS requirement (13.0 vs 15.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. KensAI sells 3 in-app purchases, starting at $3.99 per 7 days and Polyglob sells 11 in-app purchases, starting at $10.00 per month. Whichever you choose, the download price is not the number that matters.

KensAI ships an update fortnightly, Polyglob every 3 days. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | KensAI | Polyglob |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/polyglob-language-lessons/id6766428499/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 103 MB | 35 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Suat OZKAYA](https://appshunter.io/developer/1854529542) | [Mikan Labs Inc.](https://appshunter.io/developer/1896288388) |

## What reviewers say

### KensAI

[App page](https://appshunter.io/ios/app/kensai-jlpt-test-prep-and-study/id6758251118)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KensAI Weekly | $3.99 | per 7 days |
| KensAI Monthly | $9.99 | per month |
| KensAI Annual | $59.99 | per year |


### Polyglob

[App page](https://appshunter.io/ios/app/polyglob-language-lessons/id6766428499)

Engage in daily language practice through bite-sized, real-life lessons. Master new vocabulary and grammar with interactive quizzes, flashcards, and cultural insights. Build a consistent learning habit and track your progress with engaging activities.

**Highlights:** Short, real-life story and dialogue lessons, Audio for listening comprehension, Typed quizzes with feedback, Flashcards from lessons, Grammar and culture cheatsheets, Daily streak tracking, Trophy World rewards

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Learn Thai Monthly | $10.00 | per month |
| Learn Japanese Monthly | $10.00 | per month |
| Learn Chinese Monthly | $10.00 | per month |
| Learn Italian Monthly | $10.00 | per month |
| Learn Korean Monthly | $10.00 | per month |
| Learn Spanish Monthly | $10.00 | per month |
| Learn French Monthly | $10.00 | per month |
| Learn German Monthly | $10.00 | per month |
| Polyglob Plus Monthly | $12.99 | per month |
| Polyglob Plus Yearly | $119.99 | per year |
| 3 Creation Credits | $2.99 | one-time |


## Frequently asked questions

### Is KensAI free?

KensAI is free to download, with in-app purchases available.

### Is Polyglob free?

Polyglob is free to download, with in-app purchases available.

### Do KensAI or Polyglob have ads?

Neither KensAI nor Polyglob shows ads.

### Which is updated more often, KensAI or Polyglob?

KensAI ships an update fortnightly, and Polyglob every 3 days. Most recently, KensAI was updated on October 24, 2026 and Polyglob on October 12, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*