# Smart Spam Filter vs 버튼

The clearest difference is in-app purchases: 버튼 at none against Smart Spam Filter's 2. 버튼 also leads on iOS requirement (12.0 vs 16.0). On price, update cadence, ads 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. 버튼 asks for nothing beyond the download.

Smart Spam Filter ships an update monthly, 버튼 fortnightly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Smart Spam Filter | 버튼 |
| --- | --- | --- |
| 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 | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 88 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Junbum Lee](https://appshunter.io/developer/1749481503) | [SeoulSoft](https://appshunter.io/developer/1751618927) |

## 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 |


### 버튼

[App page](https://appshunter.io/ios/app/id6747246674)

**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 버튼 free?

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

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

Neither Smart Spam Filter nor 버튼 shows ads.

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

Smart Spam Filter ships an update monthly, and 버튼 fortnightly. Most recently, Smart Spam Filter was updated on October 27, 2026 and 버튼 on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*