# Knowho vs Catchtype

The clearest difference is in-app purchases: Catchtype at none against Knowho's 1. Catchtype also leads on update cadence (daily vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Knowho sells 1 one-off in-app purchase. Catchtype asks for nothing beyond the download.

Knowho ships an update fortnightly, Catchtype daily. The most recent releases landed on October 25, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Knowho | Catchtype |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (3 ratings)](https://appshunter.io/ios/app/catchtype/id6822543636/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 94.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Monetization | — | Free |
| Size | 2 MB | 27 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Jae Hee SHIM](https://appshunter.io/developer/1887206490) | [Hebbian AI Co., Ltd.](https://appshunter.io/developer/1660735529) |

## What reviewers say

### Knowho

[App page](https://appshunter.io/ios/app/knowho-private-and-spam-guard/id6760998976)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Knowho Pro | $1.99 | one-time |


### Catchtype

[App page](https://appshunter.io/ios/app/catchtype/id6822543636)

This keyboard automatically switches between Korean and English input without requiring manual language selection. It intelligently detects and corrects language shifts within words and sentences, offering a seamless typing experience. The app prioritizes user privacy with on-device processing and no network access.

**Highlights:** Auto-switching between Korean and English, Intelligent word-by-word language detection, Fixes mixed-language words and sentences, Single layout with Dubeolsik jamo and English letters, Splits words with internal language switches, Undo changes with a dedicated key, On-device processing for privacy

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

**In-app purchases:** none


## Frequently asked questions

### Is Knowho free?

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

### Is Catchtype free?

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

### Do Knowho or Catchtype have ads?

Neither Knowho nor Catchtype shows ads.

### Which is updated more often, Knowho or Catchtype?

Knowho ships an update fortnightly, and Catchtype daily. Most recently, Knowho was updated on October 25, 2026 and Catchtype on November 8, 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.*