# U+스팸차단 vs 초록우산

The clearest difference is review sentiment: 초록우산 at 95% against U+스팸차단's 29%. 초록우산 also leads on update cadence (every 3 weeks vs every 19 months). U+스팸차단's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

U+스팸차단 ships an update every 19 months, 초록우산 every 3 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | U+스팸차단 | 초록우산 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.4 (18 ratings)](https://appshunter.io/ios/app/u-plus/id994846408/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 29.4% of reviews | **95.2% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 19 months | **Every 3 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 13 MB | 45 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [LG Uplus](https://appshunter.io/developer/372558480) | [CHOROGUSAN for Children](https://appshunter.io/developer/483129792) |

## What reviewers say

### U+스팸차단

[App page](https://appshunter.io/ios/app/u-plus/id994846408)

This app helps block unwanted spam messages and calls on your smartphone. It offers customizable settings for allowing specific contacts or phrases, and automatically filters common spam types. You can also review blocked messages in a dedicated spam folder.

**Highlights:** Allow specific contacts and phrases, Review blocked messages, Automatic spam filtering, Customizable spam blocking levels, Dual SIM support

**In-app purchases:** none


### 초록우산

[App page](https://appshunter.io/ios/app/id1624643927)

This app allows users to easily donate to children's welfare programs, access exclusive benefits, and stay updated on the impact of their contributions. It offers a streamlined donation process, rewards for supporters, and a centralized hub for managing all your charitable activities.

**Highlights:** Easy and quick donations, Exclusive supporter benefits, Impact stories and updates, Manage donation history, Real-time activity notifications, Collectible 'superpower' cards

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is U+스팸차단 free?

U+스팸차단 is free to download, with no in-app purchases.

### Is 초록우산 free?

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

### Do U+스팸차단 or 초록우산 have ads?

초록우산 shows ads; U+스팸차단 does not.

### Which is updated more often, U+스팸차단 or 초록우산?

U+스팸차단 ships an update every 19 months, and 초록우산 every 3 weeks. Most recently, U+스팸차단 was updated on November 6, 2026 and 초록우산 on November 3, 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.*