# ECWP vs iBIOSYS

The clearest difference is update cadence: ECWP at every 9 days against iBIOSYS's every 4 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.

ECWP ships an update every 9 days, iBIOSYS every 4 months. The most recent releases landed on February 25, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | ECWP | iBIOSYS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 4 months |
| Size | 27 MB | 18 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HSIEH-HSUN CHUNG](https://appshunter.io/developer/1575698263) | [Shenzhen Refresh Biosensing Technology Co., Ltd.](https://appshunter.io/developer/1405391433) |

## What reviewers say

### ECWP

[App page](https://appshunter.io/ios/app/ecwp/id1575698261)

**Features:** macOS Compatibility

**In-app purchases:** none


### iBIOSYS

[App page](https://appshunter.io/ios/app/ibiosys/id1580663553)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ECWP free?

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

### Is iBIOSYS free?

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

### Do ECWP or iBIOSYS have ads?

Neither ECWP nor iBIOSYS shows ads.

### Which is updated more often, ECWP or iBIOSYS?

ECWP ships an update every 9 days, and iBIOSYS every 4 months. Most recently, ECWP was updated on February 25, 2026 and iBIOSYS 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.*