# AKeyChat Pro vs 私信

The clearest difference is review sentiment: 私信 at 100% against AKeyChat Pro's 50%. 私信 also leads on monetization model (free vs paid) and rating (5.0 vs 4.7). AKeyChat Pro's advantage is ratings volume (203 vs 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.

私信 holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: AKeyChat Pro has 203 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of AKeyChat Pro's written reviews are positive against 100% of 私信's.

AKeyChat Pro ships an update monthly, 私信 every 3 weeks. The most recent releases landed on October 6, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | AKeyChat Pro | 私信 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (203 ratings)](https://appshunter.io/ios/app/akeychat-pro/id1102655852/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sechat/id1378942732/reviews)** |
| Number of ratings | **203** | 1 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 76 MB | 17 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Hangzhou AKEY.ME Co., Ltd.](https://appshunter.io/developer/1048850291) | [香港鳳凰互聯網科技有限公司](https://appshunter.io/developer/1238227716) |

## What reviewers say

### AKeyChat Pro

[App page](https://appshunter.io/ios/app/akeychat-pro/id1102655852)

This secure instant messaging software is designed for enterprises to protect communication data from cyber threats. It offers on-premise deployment and end-to-end encryption to ensure data is fully controllable and unreadable, even by administrators. Features like remote destruction and group chat watermarks prevent information leakage, enhancing office communication efficiency.

**Highlights:** On-premise deployment, End-to-end encryption, Information leakage prevention, Remote destruction, Group chat watermark, Efficient message processing

**In-app purchases:** none


### 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


## Frequently asked questions

### Is AKeyChat Pro free?

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

### Is 私信 free?

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

### Which has better reviews, AKeyChat Pro or 私信?

私信 is rated higher. AKeyChat Pro averages 4.7 out of 5 from 203 ratings, while 私信 averages 5.0 from 1 ratings.

### Do AKeyChat Pro or 私信 have ads?

Neither AKeyChat Pro nor 私信 shows ads.

### Which is updated more often, AKeyChat Pro or 私信?

AKeyChat Pro ships an update monthly, and 私信 every 3 weeks. Most recently, AKeyChat Pro was updated on October 6, 2026 and 私信 on September 26, 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.*