# KT 스팸차단 vs Wadiz

The clearest difference is rating: Wadiz at 4.6 against KT 스팸차단's 4.1. Wadiz also leads on update cadence (every 5 days vs every 5 months) and review sentiment (48% vs 22%). KT 스팸차단's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, 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.

Wadiz holds the better App Store score, 4.6 against 4.1. Both are backed by a comparable volume of ratings — 135 and 71 respectively. Written reviews point the same way: 22% of KT 스팸차단's written reviews are positive against 48% of Wadiz's.

KT 스팸차단 ships an update every 5 months, Wadiz every 5 days. The most recent releases landed on November 6, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | KT 스팸차단 | Wadiz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (135 ratings)](https://appshunter.io/ios/app/kt/id397692999/reviews) | **[4.6 (71 ratings)](https://appshunter.io/ios/app/wadiz-korea-1-crowdfunding/id1107828621/reviews)** |
| Number of ratings | **135** | 71 |
| Positive reviews | 21.9% of reviews | **47.8% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 5 days** |
| Monetization | **Free** | Ad-supported |
| Size | 12 MB | 110 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KT Corporation](https://appshunter.io/developer/335129223) | [wadiz](https://appshunter.io/developer/1696259020) |

## 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


### Wadiz

[App page](https://appshunter.io/ios/app/wadiz-korea-1-crowdfunding/id1107828621)

Discover innovative products and exciting ideas from Korea and Asia before anyone else. This platform connects you with creators and supports bold projects across various industries. Join millions of users to explore unique items and unlock exclusive discounts.

**Highlights:** Discover innovative products from Asia, Support bold creator projects, Explore K-Content, K-Beauty, K-Food, K-Fashion, Join a community of 10 million users, Unlock welcome discounts, Global access to Asian trends

**In-app purchases:** none


## Frequently asked questions

### Is KT 스팸차단 free?

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

### Is Wadiz free?

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

### Which has better reviews, KT 스팸차단 or Wadiz?

Wadiz is rated higher. KT 스팸차단 averages 4.1 out of 5 from 135 ratings, while Wadiz averages 4.6 from 71 ratings.

### Do KT 스팸차단 or Wadiz have ads?

Wadiz shows ads; KT 스팸차단 does not.

### Which is updated more often, KT 스팸차단 or Wadiz?

KT 스팸차단 ships an update every 5 months, and Wadiz every 5 days. Most recently, KT 스팸차단 was updated on November 6, 2026 and Wadiz on November 9, 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.*