# MicroPStat vs ECWP

The clearest difference is update cadence: ECWP at every 9 days against MicroPStat's every 2 months. ECWP also leads on iOS requirement (12.0 vs 15.0). 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.

MicroPStat ships an update every 2 months, ECWP every 9 days. The most recent releases landed on June 1, 2026 and February 25, 2026 respectively.

## The numbers

| Metric | MicroPStat | ECWP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/micropstat/id1436175184/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 12 MB | 27 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Analytical Instrument Systems, Inc.](https://appshunter.io/developer/1436175183) | [HSIEH-HSUN CHUNG](https://appshunter.io/developer/1575698263) |

## What reviewers say

### MicroPStat

[App page](https://appshunter.io/ios/app/micropstat/id1436175184)

This instrument enables voltammetric and striping analysis for low-level analyte detection. Users can navigate menus, collect, view, and analyze data directly on their iPad or iPhone, with cloud backup and MicroSD card access.

**Highlights:** Voltammetric analysis, Striping analysis for low-level detection, iOS device control (iPad/iPhone), Data collection and viewing, iCloud data backup, MicroSD card data access

**Features:** macOS Compatibility

**In-app purchases:** none


### ECWP

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MicroPStat free?

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

### Is ECWP free?

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

### Do MicroPStat or ECWP have ads?

Neither MicroPStat nor ECWP shows ads.

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

MicroPStat ships an update every 2 months, and ECWP every 9 days. Most recently, MicroPStat was updated on June 1, 2026 and ECWP on February 25, 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.*