# 飞腾云ERP vs Echo IM

The clearest difference is update cadence: Echo IM at weekly against 飞腾云ERP's every 3 months. 飞腾云ERP's advantage is iOS requirement (9.0 vs 26.2). 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.

飞腾云ERP ships an update every 3 months, Echo IM weekly. The most recent releases landed on September 20, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | 飞腾云ERP | Echo IM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 82 MB | 95 MB |
| Requires iOS | **9.0** | 26.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Changzhou Feiteng Network Information Engineering Co., Ltd.](https://appshunter.io/developer/1605048835) | [Tadwill & Co., Limited](https://appshunter.io/developer/351931205) |

## What reviewers say

### 飞腾云ERP

[App page](https://appshunter.io/ios/app/erp/id1605048833)

**Features:** macOS Compatibility

**In-app purchases:** none


### Echo IM

[App page](https://appshunter.io/ios/app/echo-im/id6757745646)

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

**In-app purchases:** none


## Frequently asked questions

### Is 飞腾云ERP free?

飞腾云ERP is free to download, with no in-app purchases.

### Is Echo IM free?

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

### Do 飞腾云ERP or Echo IM have ads?

Neither 飞腾云ERP nor Echo IM shows ads.

### Which is updated more often, 飞腾云ERP or Echo IM?

飞腾云ERP ships an update every 3 months, and Echo IM weekly. Most recently, 飞腾云ERP was updated on September 20, 2026 and Echo IM on September 19, 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.*