# KarlLang vs StepJLPT

The clearest difference is in-app purchases: KarlLang at none against StepJLPT's 6. KarlLang also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. StepJLPT sells 6 one-off in-app purchases. KarlLang asks for nothing beyond the download.

KarlLang ships an update monthly, StepJLPT every 4 weeks. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | KarlLang | StepJLPT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 4 weeks** |
| Size | 35 MB | 82 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sung Chul Park](https://appshunter.io/developer/1878016675) | [heesung jin](https://appshunter.io/developer/1559706573) |

## What reviewers say

### KarlLang

[App page](https://appshunter.io/ios/app/karllang/id6759307926)

**In-app purchases:** none


### StepJLPT

[App page](https://appshunter.io/ios/app/stepjlpt/id6762035784)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 광고 제거 | $1.99 | one-time |
| N4 마스터 팩 | $2.99 | one-time |
| N3 마스터 팩 | $4.99 | one-time |
| N1 마스터 팩 | $5.99 | one-time |
| N2 마스터 팩 | $5.99 | one-time |
| 전체 패스권 및 광고제거 | $14.99 | one-time |


## Frequently asked questions

### Is KarlLang free?

KarlLang is free to download, with no in-app purchases.

### Is StepJLPT free?

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

### Do KarlLang or StepJLPT have ads?

StepJLPT shows ads; KarlLang does not.

### Which is updated more often, KarlLang or StepJLPT?

KarlLang ships an update monthly, and StepJLPT every 4 weeks. Most recently, KarlLang was updated on October 24, 2026 and StepJLPT on October 7, 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.*