# Sweat Score vs GPF Weather System

The clearest difference is update cadence: GPF Weather System at every 11 days against Sweat Score's every 3 months. GPF Weather System also leads on iOS requirement (18.6 vs 26.0). 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.

Sweat Score ships an update every 3 months, GPF Weather System every 11 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Sweat Score | GPF Weather System |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 11 days** |
| Size | 1 MB | 2 MB |
| Requires iOS | 26.0 | **18.6** |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Mock Gravity](https://appshunter.io/developer/1723633565) | [Gian Paolo Fontani](https://appshunter.io/developer/1866631629) |

## What reviewers say

### Sweat Score

[App page](https://appshunter.io/ios/app/sweat-score-activity-forecast/id6740766397)

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

**In-app purchases:** none


### GPF Weather System

[App page](https://appshunter.io/ios/app/gpf-weather-system/id6758885087)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Sweat Score free?

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

### Is GPF Weather System free?

GPF Weather System is free to download, with no in-app purchases.

### Do Sweat Score or GPF Weather System have ads?

Neither Sweat Score nor GPF Weather System shows ads.

### Which is updated more often, Sweat Score or GPF Weather System?

Sweat Score ships an update every 3 months, and GPF Weather System every 11 days. Most recently, Sweat Score was updated on November 8, 2026 and GPF Weather System on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*