# KT 스팸차단 vs 7Customs

The clearest difference is rating: 7Customs at 5.0 against KT 스팸차단's 4.1. 7Customs also leads on review sentiment (58% vs 22%) and update cadence (fortnightly vs every 5 months). KT 스팸차단's advantage is ads (none vs shown) and ratings volume (135 vs 2). 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.

7Customs holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: KT 스팸차단 has 135 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 22% of KT 스팸차단's written reviews are positive against 58% of 7Customs's.

KT 스팸차단 ships an update every 5 months, 7Customs fortnightly. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | KT 스팸차단 | 7Customs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (135 ratings)](https://appshunter.io/ios/app/kt/id397692999/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/7customs-korea-customs/id1456720251/reviews)** |
| Number of ratings | **135** | 2 |
| Positive reviews | 21.9% of reviews | **57.9% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | **Free** | Ad-supported |
| Size | 12 MB | 9 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KT Corporation](https://appshunter.io/developer/335129223) | [Kyuho Han](https://appshunter.io/developer/1456720250) |

## What reviewers say

### KT 스팸차단

[App page](https://appshunter.io/ios/app/kt/id397692999)

Manage and review KT SMS/MMS spam messages. Register custom block numbers and phrases, or utilize community-ranked lists for smart filtering. Allows for whitelisting numbers and reviewing filtered messages.

**Highlights:** Block custom numbers, Block custom phrases, Community-ranked block lists, Smart spam filtering, Review filtered messages, Whitelist numbers, Address book integration

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 7Customs

[App page](https://appshunter.io/ios/app/7customs-korea-customs/id1456720251)

Track international packages and monitor customs clearance status in Korea. Receive real-time alerts for status changes and estimated clearance dates. Offers delivery tracking and helpful statistics for overseas shoppers.

**Highlights:** Customs lookup by tracking number, Real-time status alerts, Estimated clearance date, EMS and Korean courier tracking, Customs clearance statistics, My customs list for members, Overseas shopping community

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is KT 스팸차단 free?

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

### Is 7Customs free?

7Customs is free to download, with no in-app purchases.

### Which has better reviews, KT 스팸차단 or 7Customs?

7Customs is rated higher. KT 스팸차단 averages 4.1 out of 5 from 135 ratings, while 7Customs averages 5.0 from 2 ratings.

### Do KT 스팸차단 or 7Customs have ads?

7Customs shows ads; KT 스팸차단 does not.

### Which is updated more often, KT 스팸차단 or 7Customs?

KT 스팸차단 ships an update every 5 months, and 7Customs fortnightly. Most recently, KT 스팸차단 was updated on October 24, 2026 and 7Customs on October 23, 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.*