# 그린메시지 vs Contactus

The clearest difference is review sentiment: 그린메시지 at 33% against Contactus's 0%. 그린메시지 also leads on iOS requirement (9.0 vs 15.1). On price, update cadence, 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.

그린메시지 ships an update every 3 months, Contactus every 6 weeks. The most recent releases landed on September 10, 2026 and June 7, 2026 respectively.

## The numbers

| Metric | 그린메시지 | Contactus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/contactus/id1509888513/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 3 MB | 28 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [비즈플레이(주)](https://appshunter.io/developer/1056025365) | [you27 ltd.](https://appshunter.io/developer/1098776395) |

## What reviewers say

### 그린메시지

[App page](https://appshunter.io/ios/app/id903283980)

**In-app purchases:** none


### Contactus

[App page](https://appshunter.io/ios/app/contactus/id1509888513)

Create dynamic digital business cards that can be updated in real-time. Share them instantly via QR code or link, and always have the latest contact information. Perfect for professional networking and staying connected.

**Highlights:** Create living business cards, One-tap sharing via QR or link, Live updates for contact info, Add photos and notes to contacts, Multiple card identities, Connect physical cards

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 그린메시지 free?

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

### Is Contactus free?

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

### Do 그린메시지 or Contactus have ads?

Neither 그린메시지 nor Contactus shows ads.

### Which is updated more often, 그린메시지 or Contactus?

그린메시지 ships an update every 3 months, and Contactus every 6 weeks. Most recently, 그린메시지 was updated on September 10, 2026 and Contactus on June 7, 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.*