# 공시생 타이머 vs Smart Spam Filter

The clearest difference is price: Smart Spam Filter at Free against 공시생 타이머's $3.99. 공시생 타이머's advantage is in-app purchases (none vs 2) and update cadence (every 2 days vs every 2 weeks). On ads, device support and iOS requirement there is nothing between them.

Smart Spam Filter is free to download; 공시생 타이머 costs $3.99 up front. Smart Spam Filter sells 2 in-app purchases, starting at $2.99 per month. 공시생 타이머 asks for nothing beyond the download.

공시생 타이머 ships an update every 2 days, Smart Spam Filter every 2 weeks. The most recent releases landed on September 17, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | 공시생 타이머 | Smart Spam Filter |
| --- | --- | --- |
| Price | $3.99 | **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 | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 0 MB | 23 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [NewLearn Soft](https://appshunter.io/developer/1815216881) | [Junbum Lee](https://appshunter.io/developer/1749481503) |

## What reviewers say

### 공시생 타이머

[App page](https://appshunter.io/ios/app/1/id6471916796)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is 공시생 타이머 free?

공시생 타이머 costs $3.99, with no in-app purchases.

### Is Smart Spam Filter free?

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

### Do 공시생 타이머 or Smart Spam Filter have ads?

Neither 공시생 타이머 nor Smart Spam Filter shows ads.

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

공시생 타이머 ships an update every 2 days, and Smart Spam Filter every 2 weeks. Most recently, 공시생 타이머 was updated on September 17, 2026 and Smart Spam Filter on October 2, 2026.

---

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