# KT 스팸차단 vs STUDIOMATE

KT 스팸차단 and STUDIOMATE both sit at 4.1 stars, but that hides the real split: 72% of STUDIOMATE's written reviews are positive against 22% of KT 스팸차단's. STUDIOMATE also leads on update cadence (every 6 weeks vs every 5 months). KT 스팸차단's advantage is ratings volume (135 vs 2). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.1 for KT 스팸차단 against 4.0 for STUDIOMATE. 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 are what separate them: 22% of KT 스팸차단's written reviews are positive against 72% of STUDIOMATE's.

KT 스팸차단 ships an update every 5 months, STUDIOMATE every 6 weeks. Both last shipped on November 6, 2026.

## The numbers

| Metric | KT 스팸차단 | STUDIOMATE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (135 ratings)](https://appshunter.io/ios/app/kt/id397692999/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/studiomate-workout-booking/id1400126585/reviews) |
| Number of ratings | **135** | 2 |
| Positive reviews | 21.9% of reviews | **72.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 12 MB | 32 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KT Corporation](https://appshunter.io/developer/335129223) | [스튜디오메이트](https://appshunter.io/developer/1452473755) |

## 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


### STUDIOMATE

[App page](https://appshunter.io/ios/app/studiomate-workout-booking/id1400126585)

Manage your fitness journey with ease. Book classes at your favorite studios, track remaining sessions, and handle memberships and points all within a single application. Receive important notifications and reminders to stay on track.

**Highlights:** Book workout classes, Manage memberships, Track remaining sessions, Real-time schedule updates, Membership and point management, Notifications and reminders

**Features:** 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 STUDIOMATE free?

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

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

KT 스팸차단 is rated higher. KT 스팸차단 averages 4.1 out of 5 from 135 ratings, while STUDIOMATE averages 4.0 from 2 ratings.

### Do KT 스팸차단 or STUDIOMATE have ads?

Neither KT 스팸차단 nor STUDIOMATE shows ads.

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

KT 스팸차단 ships an update every 5 months, and STUDIOMATE every 6 weeks. Most recently, KT 스팸차단 was updated on November 6, 2026 and STUDIOMATE on November 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*