# RefsWatch Dev vs REF90 Grassroots

The clearest difference is iOS requirement: RefsWatch Dev at 15.1 against REF90 Grassroots's 18.0. 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.

RefsWatch Dev ships an update every 4 months, REF90 Grassroots every 2 months. The most recent releases landed on September 10, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | RefsWatch Dev | REF90 Grassroots |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 37 MB | 7 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Mac Beagan](https://appshunter.io/developer/1705307134) | [Instride Ltd](https://appshunter.io/developer/1844228825) |

## What reviewers say

### RefsWatch Dev

[App page](https://appshunter.io/ios/app/refswatch-dev/id6463956529)

**Features:** macOS Compatibility

**In-app purchases:** none


### REF90 Grassroots

[App page](https://appshunter.io/ios/app/ref90-grassroots/id6761438884)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is RefsWatch Dev free?

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

### Is REF90 Grassroots free?

REF90 Grassroots is free to download, with no in-app purchases.

### Do RefsWatch Dev or REF90 Grassroots have ads?

Neither RefsWatch Dev nor REF90 Grassroots shows ads.

### Which is updated more often, RefsWatch Dev or REF90 Grassroots?

RefsWatch Dev ships an update every 4 months, and REF90 Grassroots every 2 months. Most recently, RefsWatch Dev was updated on September 10, 2026 and REF90 Grassroots on September 8, 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.*