# U+스팸차단 vs OVAL Key

The clearest difference is update cadence: OVAL Key at every 2 months against U+스팸차단's every 19 months. U+스팸차단's advantage is review sentiment (29% vs 20%) and iOS requirement (12.0 vs 14.0). On price, ads, in-app purchases and monetization model 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, OVAL Key every 2 months. The most recent releases landed on October 1, 2026 and July 20, 2026 respectively.

## The numbers

| Metric | U+스팸차단 | OVAL Key |
| --- | --- | --- |
| 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** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 13 MB | 26 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LG Uplus](https://appshunter.io/developer/372558480) | [ImGATE, Inc.](https://appshunter.io/developer/1434808258) |

## 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


### OVAL Key

[App page](https://appshunter.io/ios/app/oval-key/id1452141303)

Access your home remotely by obtaining a mobile key from your property manager. This application allows you to easily open your door using your smartphone.

**Highlights:** Mobile key access, Remote door opening, Manager key distribution, Easy to use interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is U+스팸차단 free?

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

### Is OVAL Key free?

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

### Do U+스팸차단 or OVAL Key have ads?

Neither U+스팸차단 nor OVAL Key shows ads.

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

U+스팸차단 ships an update every 19 months, and OVAL Key every 2 months. Most recently, U+스팸차단 was updated on October 1, 2026 and OVAL Key on July 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.*