# TerraGo GridOps vs iForester

The clearest difference is update cadence: iForester at every 2 months against TerraGo GridOps's every 6 months. 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.

TerraGo GridOps ships an update every 6 months, iForester every 2 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | TerraGo GridOps | iForester |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Size | 77 MB | 143 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TerraGo](https://appshunter.io/developer/894862292) | [Purdue Research Foundation (Apps)](https://appshunter.io/developer/1766511992) |

## What reviewers say

### TerraGo GridOps

[App page](https://appshunter.io/ios/app/terrago-gridops/id1623684708)

**Features:** macOS Compatibility

**In-app purchases:** none


### iForester

[App page](https://appshunter.io/ios/app/iforester/id6464708769)

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

**In-app purchases:** none


## Frequently asked questions

### Is TerraGo GridOps free?

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

### Is iForester free?

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

### Do TerraGo GridOps or iForester have ads?

Neither TerraGo GridOps nor iForester shows ads.

### Which is updated more often, TerraGo GridOps or iForester?

TerraGo GridOps ships an update every 6 months, and iForester every 2 months. Most recently, TerraGo GridOps was updated on October 27, 2026 and iForester on October 24, 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.*