# Korean Checker vs Keyfred

The clearest difference is review sentiment: Keyfred at 89% against Korean Checker's 54%. Keyfred also leads on ads (none vs shown) and update cadence (every 2 days vs every 7 months). On price, in-app purchases, monetization model and iOS requirement there is nothing between them.

Both are free to download. Korean Checker sells 2 in-app purchases, starting at $3.99 per month and Keyfred sells 6 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Korean Checker ships an update every 7 months, Keyfred every 2 days. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Korean Checker | Keyfred |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (52 ratings)](https://appshunter.io/ios/app/korean-checker/id1476172458/reviews)** | — |
| Number of ratings | **52** | — |
| Positive reviews | 53.8% of reviews | **89.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 2 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 31 MB | 53 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Hyunwoo Kim](https://appshunter.io/developer/1709269004) | [Keyfred Inc.](https://appshunter.io/developer/1878124574) |

## What reviewers say

### Korean Checker

[App page](https://appshunter.io/ios/app/korean-checker/id1476172458)

Correct spelling and spacing errors in Korean sentences. This app offers AI-powered sentence transformation, a history of corrections, and easy sharing of the results. It helps users identify and learn from common mistakes.

**Highlights:** Correct spelling and spacing, AI sentence transformation, Copy corrected sentences, Share easily, Correction history, Check frequently misspelled words

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $3.99 | per month |
| Annual subscription | $19.99 | per year |


### Keyfred

[App page](https://appshunter.io/ios/app/keyfred/id6759333022)

Enhance your writing with an AI-powered keyboard that offers real-time, context-aware corrections and translations. It intelligently adapts to your writing style and situation, ensuring flawless communication across all your apps.

**Highlights:** Context-driven AI correction, 15 personas for tone rewriting, Instant translation in 8 languages, Clipboard translation, AI image translation, Auto-correction alerts, Smart prediction and completion

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Keyfred Pro Monthly | $2.99 | per month |
| Keyfred Pro 6 Months | $14.99 | per 6 months |
| Keyfred Pro Yearly | $24.99 | per year |
| 100 Credits | $4.99 | one-time |
| 300 Credits | $9.99 | one-time |
| 500 Credits | $12.99 | one-time |


## Frequently asked questions

### Is Korean Checker free?

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

### Is Keyfred free?

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

### Do Korean Checker or Keyfred have ads?

Korean Checker shows ads; Keyfred does not.

### Which is updated more often, Korean Checker or Keyfred?

Korean Checker ships an update every 7 months, and Keyfred every 2 days. Most recently, Korean Checker was updated on September 22, 2026 and Keyfred on September 23, 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.*