# 长聊 vs CmEcho

The clearest difference is in-app purchases: CmEcho at none against 长聊's 16. CmEcho also leads on update cadence (every 3 days vs every 10 days) and device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. 长聊 sells 16 in-app purchases, starting at $3.99 per month. CmEcho asks for nothing beyond the download.

长聊 ships an update every 10 days, CmEcho every 3 days. The most recent releases landed on September 11, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | 长聊 | CmEcho |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cmecho/id6756966210/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Monetization | — | Free |
| Size | 215 MB | 64 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [广州宇罡网络安全技术有限公司](https://appshunter.io/developer/1840599421) | [Lechang Luke Cheng](https://appshunter.io/developer/1813409332) |

## What reviewers say

### 长聊

[App page](https://appshunter.io/ios/app/longchat/id6752694164)

**Features:** macOS Compatibility

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月ai文生文功能包 | $3.99 | per month |
| 连续包月智能BM缓存 | $5.99 | per month |
| 连续包月群聊功能包 | $6.99 | per month |
| 连续包2个月智能BM缓存 | $9.99 | per 2 months |
| 连续包季智能BM缓存 | $14.99 | per 3 months |
| 连续包季群聊功能包 | $19.99 | per 3 months |
| 连续包半年智能BM缓存 | $24.99 | per 6 months |
| 连续包半年群聊功能包 | $29.99 | per 6 months |
| 连续包年智能BM缓存 | $39.99 | per year |
| 连续包年群聊功能包 | $49.99 | per year |
| 包月ai文生文功能包 | $3.99 | one-time |
| 50次文生图功能-30天有效 | $6.99 | one-time |
| 120次文生图功能-90天有效 | $14.99 | one-time |
| 60天消息发送数量无限制+功能 | $19.99 | one-time |
| 500次文生图功能-180天有效 | $59.99 | one-time |
| 1200次文生图功能-365天有效 | $99.99 | one-time |


### CmEcho

[App page](https://appshunter.io/ios/app/cmecho/id6756966210)

This app offers secure video conferencing and instant messaging with a focus on privacy. It supports one-on-one and group calls, file sharing, and encrypted communication for personal and professional use.

**Highlights:** One-on-one HD video calls, Group video conferencing, Private and group chats, Text, image, and voice messaging, File sharing, Encrypted communication

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 长聊 free?

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

### Is CmEcho free?

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

### Do 长聊 or CmEcho have ads?

Neither 长聊 nor CmEcho shows ads.

### Which is updated more often, 长聊 or CmEcho?

长聊 ships an update every 10 days, and CmEcho every 3 days. Most recently, 长聊 was updated on September 11, 2026 and CmEcho on September 15, 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.*