# Influent Language Learning vs Kbook

The clearest difference is rating: Influent Language Learning at 4.3 against Kbook's 3.3. Influent Language Learning also leads on ads (none vs shown) and review sentiment (57% vs 42%). Kbook's advantage is update cadence (monthly vs every 6 months). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Influent Language Learning sells 19 one-off in-app purchases and Kbook sells 7 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Influent Language Learning holds the better App Store score, 4.3 against 3.3. That said, the two scores are not equally well evidenced: Influent Language Learning has 86 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 57% of Influent Language Learning's written reviews are positive against 42% of Kbook's.

Influent Language Learning ships an update every 6 months, Kbook monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Influent Language Learning | Kbook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (86 ratings)](https://appshunter.io/ios/app/influent-language-learning/id1556742708/reviews)** | [3.3 (15 ratings)](https://appshunter.io/ios/app/kbook-korean-book/id1643541530/reviews) |
| Number of ratings | **86** | 15 |
| Positive reviews | **56.9% of reviews** | 41.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 402 MB | 18 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Robert Howland](https://appshunter.io/developer/1556742710) | [KSTYLES CO., LTD.](https://appshunter.io/developer/1548110174) |

## What reviewers say

### Influent Language Learning

[App page](https://appshunter.io/ios/app/influent-language-learning/id1556742708)

Learn new vocabulary and improve pronunciation through an interactive 3D environment. Discover the names of countless objects by tapping them, with additional details available on a second tap. Open drawers and cabinets to find even more items to learn, all while listening to native audio pronunciations.

**Highlights:** Interactive 3D environment, Object identification via tapping, Native audio pronunciations, Vocabulary acquisition, Pronunciation practice, Explorable interiors

**Features:** macOS Compatibility

**In-app purchases (19)**

| Purchase | Price | Billing |
| --- | --- | --- |
| French | Free | one-time |
| Italian | Free | one-time |
| Korean | Free | one-time |
| Hindi | $2.99 | one-time |
| Finnish | $2.99 | one-time |
| Welsh | $2.99 | one-time |
| Swedish | $2.99 | one-time |
| Polish | $2.99 | one-time |
| Latin | $2.99 | one-time |
| Portuguese | $2.99 | one-time |
| Brazilian | $2.99 | one-time |
| Dutch | $2.99 | one-time |
| Japanese | $2.99 | one-time |
| Spanish | $2.99 | one-time |
| German | $2.99 | one-time |
| English | $2.99 | one-time |
| Mandarin Chinese | $2.99 | one-time |
| Norwegian | $2.99 | one-time |
| Russian | $2.99 | one-time |

**What reviewers like**

- 💡 Great for learning everyday vocabulary
- 🎮 Gamified learning approach
- 👍 Intuitive UI
- 🏠 Immersive 3D environment
- 🗣️ Native pronunciation audio

**What reviewers complain about**

- 💰 Most languages require payment
- 🐛 Tutorial bugs and freezes
- 📱 UI too small for mobile screens
- ❌ Some words not in vocab list for challenges
- 🎧 Sound only works through headphones

**Reported bugs**

- Tutorial freezes or breaks
- Unable to add languages
- App crashes or stops responding
- Lost progress
- Game freezes during vocabulary menu

**Requested features**

- Add more environments (airport, school, city, forest, cafe)
- Expand the game world beyond the house
- Add cloud saves
- Allow PC DLC to be used in app
- Add English language for free


### Kbook

[App page](https://appshunter.io/ios/app/kbook-korean-book/id1643541530)

Learn Korean through engaging comic stories and webtoons. Discover Korean culture and language with over 1000 short comic content pieces. Amateur authors can also gain experience by creating their own webtoons.

**Highlights:** Learn Korean with story comics, Read webtoons for language practice, Discover Korean culture, Content creation for amateur authors, Over 1000 comic story contents, Government-supported educational platform

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $4.99 | per month |
| 3 Months | $12.99 | per 3 months |
| 12 Months | $34.99 | per year |
| 1000point | $0.99 | one-time |
| 3100point | $2.99 | one-time |
| 5500point | $4.99 | one-time |
| 12000point | $9.99 | one-time |


## Frequently asked questions

### Is Influent Language Learning free?

Influent Language Learning is free to download, with in-app purchases available.

### Is Kbook free?

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

### Which has better reviews, Influent Language Learning or Kbook?

Influent Language Learning is rated higher. Influent Language Learning averages 4.3 out of 5 from 86 ratings, while Kbook averages 3.3 from 15 ratings.

### Do Influent Language Learning or Kbook have ads?

Kbook shows ads; Influent Language Learning does not.

### Which is updated more often, Influent Language Learning or Kbook?

Influent Language Learning ships an update every 6 months, and Kbook monthly. Most recently, Influent Language Learning was updated on October 24, 2026 and Kbook on October 24, 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.*