# 私信 vs Coin Chat

The clearest difference is rating: 私信 at 5.0 against Coin Chat's 1.0. 私信 also leads on in-app purchases (none vs 21) and ads (none vs shown). Coin Chat's advantage is update cadence (weekly vs every 3 weeks). On price, ratings volume and device support there is nothing between them.

Both are free to download. Coin Chat sells 21 one-off in-app purchases. 私信 asks for nothing beyond the download.

私信 holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 100% of 私信's written reviews are positive against 71% of Coin Chat's.

私信 ships an update every 3 weeks, Coin Chat weekly. The most recent releases landed on September 9, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 私信 | Coin Chat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sechat/id1378942732/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/coin-chat-encrypted-chat/id6451151852/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | **100.0% of reviews** | 71.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 17 MB | 162 MB |
| Requires iOS | **13.0** | 15.2 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [香港鳳凰互聯網科技有限公司](https://appshunter.io/developer/1238227716) | [Sichuan Shijin Technology Co., Ltd.](https://appshunter.io/developer/1526970724) |

## What reviewers say

### 私信

[App page](https://appshunter.io/ios/app/sechat/id1378942732)

A secure instant messaging app built with end-to-end encryption for businesses and organizations. It offers standard chat features along with advanced data protection and clearing functions. A free version is available, with a paid enterprise option for enhanced services.

**Highlights:** End-to-end encryption, Text, emoji, voice, and image chat, Data protection and clearing, Group management, Instant announcements, Message recall and do not disturb

**In-app purchases:** none


### Coin Chat

[App page](https://appshunter.io/ios/app/coin-chat-encrypted-chat/id6451151852)

This app offers secure instant messaging with end-to-end encryption for text, voice, and video calls. It supports large groups, channel broadcasting, and multi-device synchronization, ensuring private and efficient communication for individuals and businesses.

**Highlights:** End-to-end encrypted messaging, Voice and video calls, Large group chats, Channel broadcasting, Multi-device synchronization, Application encryption

**Features:** Vision Pro support

**In-app purchases (21)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 80-point experience pack | $0.99 | one-time |
| Membership for 1 day | $0.99 | one-time |
| Consignment card for 30 days | $4.99 | one-time |
| 30-Day Premium Num Activation Card | $9.99 | one-time |
| Membership for January | $12.99 | one-time |
| 1000 Energy | $14.99 | one-time |
| svip growth value 100 points | $14.99 | one-time |
| 800-point experience pack | $14.99 | one-time |
| Nominal Card | $29.99 | one-time |
| User name change card | $29.99 | one-time |
| 30-day automatic task card | $39.99 | one-time |
| svip growth value 300 points | $39.99 | one-time |
| 5880 Energy | $79.99 | one-time |
| Membership for 1 year | $129.99 | one-time |
| svip growth value 1000 points | $149.99 | one-time |
| 8000-point experience pack | $149.99 | one-time |
| 16880 Energy | $249.99 | one-time |
| 30-day search recommendation card | $249.99 | one-time |
| 24000-point experience pack | $399.99 | one-time |
| 36880 Energy | $499.99 | one-time |
| svip growth value 5000 points | $699.99 | one-time |


## Frequently asked questions

### Is 私信 free?

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

### Is Coin Chat free?

Coin Chat is free to download, with in-app purchases available.

### Which has better reviews, 私信 or Coin Chat?

私信 is rated higher. 私信 averages 5.0 out of 5 from 1 ratings, while Coin Chat averages 1.0 from 1 ratings.

### Do 私信 or Coin Chat have ads?

Coin Chat shows ads; 私信 does not.

### Which is updated more often, 私信 or Coin Chat?

私信 ships an update every 3 weeks, and Coin Chat weekly. Most recently, 私信 was updated on September 9, 2026 and Coin Chat on September 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.*