# eCHANGE Research vs Frevar

The clearest difference is update cadence: eCHANGE Research at monthly against Frevar's every 2 months. eCHANGE Research also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.6). On price, 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.

eCHANGE Research ships an update monthly, Frevar every 2 months. The most recent releases landed on October 25, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | eCHANGE Research | Frevar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 123 MB | 58 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Oslo Universitetssykehus HF](https://appshunter.io/developer/1019156091) | [VSP AS](https://appshunter.io/developer/1494717191) |

## What reviewers say

### eCHANGE Research

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

**In-app purchases:** none


### Frevar

[App page](https://appshunter.io/ios/app/frevar/id6747027847)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is eCHANGE Research free?

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

### Is Frevar free?

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

### Do eCHANGE Research or Frevar have ads?

Neither eCHANGE Research nor Frevar shows ads.

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

eCHANGE Research ships an update monthly, and Frevar every 2 months. Most recently, eCHANGE Research was updated on October 25, 2026 and Frevar on October 10, 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.*