# SolarGPS2 vs Field Pin

The clearest difference is in-app purchases: SolarGPS2 at none against Field Pin's 1. SolarGPS2 also leads on iOS requirement (12.0 vs 15.6). Field Pin's advantage is update cadence (fortnightly vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Field Pin sells 1 in-app purchase, starting at $2.99 per month. SolarGPS2 asks for nothing beyond the download.

SolarGPS2 ships an update monthly, Field Pin fortnightly. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | SolarGPS2 | Field Pin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Size | 21 MB | 42 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [维刚 王](https://appshunter.io/developer/913823126) | [Pheakdey Pheav](https://appshunter.io/developer/6802002399) |

## What reviewers say

### SolarGPS2

[App page](https://appshunter.io/ios/app/solargps2/id1495788735)

**Features:** macOS Compatibility

**In-app purchases:** none


### Field Pin

[App page](https://appshunter.io/ios/app/field-pin/id6802002397)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Field Pin Premium | $2.99 | per month |


## Frequently asked questions

### Is SolarGPS2 free?

SolarGPS2 is free to download, with no in-app purchases.

### Is Field Pin free?

Field Pin is free to download, with in-app purchases available.

### Do SolarGPS2 or Field Pin have ads?

Neither SolarGPS2 nor Field Pin shows ads.

### Which is updated more often, SolarGPS2 or Field Pin?

SolarGPS2 ships an update monthly, and Field Pin fortnightly. Most recently, SolarGPS2 was updated on October 3, 2026 and Field Pin on October 7, 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.*