# GR Mate vs FieldGlass

The clearest difference is price: GR Mate at Free against FieldGlass's $29.99. FieldGlass's advantage is in-app purchases (none vs 2) and update cadence (fortnightly vs every 2 months). On ads, device support and iOS requirement there is nothing between them.

GR Mate is free to download; FieldGlass costs $29.99 up front. GR Mate sells 2 in-app purchases, starting at $1.99 per month. FieldGlass asks for nothing beyond the download.

GR Mate ships an update every 2 months, FieldGlass fortnightly. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | GR Mate | FieldGlass |
| --- | --- | --- |
| Price | **Free** | $29.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 22 MB | 11 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [小磊 孙](https://appshunter.io/developer/1709696201) | [存滨 崔](https://appshunter.io/developer/1809703940) |

## What reviewers say

### GR Mate

[App page](https://appshunter.io/ios/app/gr-mate/id6737233121)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscribe GR Mate Monthly | $1.99 | per month |
| Purchase GR Mate Permanently | $7.99 | one-time |


### FieldGlass

[App page](https://appshunter.io/ios/app/fieldglass/id6761699291)

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

**In-app purchases:** none


## Frequently asked questions

### Is GR Mate free?

GR Mate is free to download, with in-app purchases available.

### Is FieldGlass free?

FieldGlass costs $29.99, with no in-app purchases.

### Do GR Mate or FieldGlass have ads?

Neither GR Mate nor FieldGlass shows ads.

### Which is updated more often, GR Mate or FieldGlass?

GR Mate ships an update every 2 months, and FieldGlass fortnightly. Most recently, GR Mate was updated on October 16, 2026 and FieldGlass 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.*