# GFF vs REF90 Grassroots

The clearest difference is update cadence: GFF at every 4 days against REF90 Grassroots's every 2 months. GFF also leads on iOS requirement (15.1 vs 18.0). 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.

GFF ships an update every 4 days, REF90 Grassroots every 2 months. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | GFF | REF90 Grassroots |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Size | 25 MB | 7 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [EBRIMA SAWANEH](https://appshunter.io/developer/1881448486) | [Instride Ltd](https://appshunter.io/developer/1844228825) |

## What reviewers say

### GFF

[App page](https://appshunter.io/ios/app/gff/id6760036645)

**Features:** macOS Compatibility, Vision Pro support

**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 GFF free?

GFF 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 GFF or REF90 Grassroots have ads?

Neither GFF nor REF90 Grassroots shows ads.

### Which is updated more often, GFF or REF90 Grassroots?

GFF ships an update every 4 days, and REF90 Grassroots every 2 months. Most recently, GFF was updated on September 30, 2026 and REF90 Grassroots on October 1, 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.*