# Smart Spam Filter vs 청약레이더

The clearest difference is in-app purchases: 청약레이더 at none against Smart Spam Filter's 2. 청약레이더 also leads on update cadence (every 8 days vs monthly) and iOS requirement (13.0 vs 16.0). Smart Spam Filter's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Smart Spam Filter sells 2 in-app purchases, starting at $2.99 per month. 청약레이더 asks for nothing beyond the download.

Smart Spam Filter ships an update monthly, 청약레이더 every 8 days. The most recent releases landed on October 27, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Smart Spam Filter | 청약레이더 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (9 ratings)](https://appshunter.io/ios/app/smart-spam-filter/id6503603784/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 98.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 25 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Junbum Lee](https://appshunter.io/developer/1749481503) | [HeungYeol Kim](https://appshunter.io/developer/1878087341) |

## What reviewers say

### Smart Spam Filter

[App page](https://appshunter.io/ios/app/smart-spam-filter/id6503603784)

This AI-powered application automatically filters unwanted spam and smishing messages. It utilizes advanced AI models, both online and on-device, to detect and block new types of fraudulent texts in real-time. Additional features include custom blacklisting and whitelisting for enhanced control.

**Highlights:** AI-based spam/smishing filtering, Online real-time AI detection, On-device AI learning, Keyword and number blocking, Whitelist functionality

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy a cup of coffee per month | $2.99 | per month |
| Support a chicken per year | $29.99 | per year |


### 청약레이더

[App page](https://appshunter.io/ios/app/id6760613129)

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart Spam Filter free?

Smart Spam Filter is free to download, with in-app purchases available.

### Is 청약레이더 free?

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

### Do Smart Spam Filter or 청약레이더 have ads?

청약레이더 shows ads; Smart Spam Filter does not.

### Which is updated more often, Smart Spam Filter or 청약레이더?

Smart Spam Filter ships an update monthly, and 청약레이더 every 8 days. Most recently, Smart Spam Filter was updated on October 27, 2026 and 청약레이더 on October 20, 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.*