# eCHANGE Research vs Woolit

The clearest difference is iOS requirement: eCHANGE Research at 13.0 against Woolit's 15.1. 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.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 8, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | eCHANGE Research | Woolit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/woolit/id1590823328/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | — | Free |
| Size | 123 MB | 64 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oslo Universitetssykehus HF](https://appshunter.io/developer/1019156091) | [Woolit AS](https://appshunter.io/developer/1590823330) |

## What reviewers say

### eCHANGE Research

[App page](https://appshunter.io/ios/app/echange-research/id1529457235)

**In-app purchases:** none


### Woolit

[App page](https://appshunter.io/ios/app/woolit/id1590823328)

Experience knitting and patterns in a new way. Customize patterns to show only needed information as you knit. Save projects with chosen colors and sizes for a personalized pattern. Includes a knitting calculator and color combination selection.

**Highlights:** Customizable knitting patterns, Project saving, Knitting calculator, Color combination selection, Interactive diagrams, Design tools for creators

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is eCHANGE Research free?

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

### Is Woolit free?

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

### Do eCHANGE Research or Woolit have ads?

Neither eCHANGE Research nor Woolit shows ads.

### Which is updated more often, eCHANGE Research or Woolit?

eCHANGE Research ships an update monthly, and Woolit monthly. Most recently, eCHANGE Research was updated on September 8, 2026 and Woolit on September 30, 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.*