# U+스팸차단 vs 웰로

The clearest difference is ads: U+스팸차단 at none against 웰로's shown. U+스팸차단 also leads on iOS requirement (12.0 vs 16.4). 웰로's advantage is update cadence (every 3 weeks vs every 19 months). On price, in-app purchases and device support 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, 웰로 every 3 weeks. The most recent releases landed on October 12, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | U+스팸차단 | 웰로 |
| --- | --- | --- |
| 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 | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 19 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 13 MB | 83 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [LG Uplus](https://appshunter.io/developer/372558480) | [주식회사 웰로](https://appshunter.io/developer/1657066957) |

## 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


### 웰로

[App page](https://appshunter.io/ios/app/id6444814937)

**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 웰로 free?

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

### Do U+스팸차단 or 웰로 have ads?

웰로 shows ads; U+스팸차단 does not.

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

U+스팸차단 ships an update every 19 months, and 웰로 every 3 weeks. Most recently, U+스팸차단 was updated on October 12, 2026 and 웰로 on October 2, 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.*