# 그린비 vs 센다

The clearest difference is review sentiment: 그린비 at 52% against 센다's 35%. 센다's advantage is update cadence (monthly vs every 2 months). On price, ads, 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.

그린비 ships an update every 2 months, 센다 monthly. The most recent releases landed on October 17, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 그린비 | 센다 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.6 (8 ratings)](https://appshunter.io/ios/app/id1005578718/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | **51.9% of reviews** | 35.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free |
| Size | 65 MB | 60 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GRINBI PARTNERS CO., LTD](https://appshunter.io/developer/1005578717) | [Senda Co.,Ltd.](https://appshunter.io/developer/1361908372) |

## What reviewers say

### 그린비

[App page](https://appshunter.io/ios/app/id1005578718)

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

**In-app purchases:** none


### 센다

[App page](https://appshunter.io/ios/app/id1361908373)

Send real photo postcards easily and conveniently from anywhere. This social service delivers your special messages to loved ones, acting as a fast postal service for travelers and a way to share photos. Users can earn free postage by sharing their own photos.

**Highlights:** Send real photo postcards, Personalized messages, Fast postal service, Photo sharing gallery, Earn free postage with photo sharing, Handwritten postcard sets

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 그린비 free?

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

### Is 센다 free?

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

### Do 그린비 or 센다 have ads?

Neither 그린비 nor 센다 shows ads.

### Which is updated more often, 그린비 or 센다?

그린비 ships an update every 2 months, and 센다 monthly. Most recently, 그린비 was updated on October 17, 2026 and 센다 on October 14, 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.*