# Tether vs GPS Metrics

The clearest difference is update cadence: Tether at monthly against GPS Metrics's every 9 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.

Tether ships an update monthly, GPS Metrics every 9 months. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Tether | GPS Metrics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 9 months |
| Size | 14 MB | 7 MB |
| Requires iOS | 17.6 | **16.1** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Mykola Rudenko](https://appshunter.io/developer/1683884186) | [Berend Hartman](https://appshunter.io/developer/1847181865) |

## What reviewers say

### Tether

[App page](https://appshunter.io/ios/app/tether-parking-timer-location/id6751962404)

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

**In-app purchases:** none


### GPS Metrics

[App page](https://appshunter.io/ios/app/gps-metrics/id6755637713)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tether free?

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

### Is GPS Metrics free?

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

### Do Tether or GPS Metrics have ads?

Neither Tether nor GPS Metrics shows ads.

### Which is updated more often, Tether or GPS Metrics?

Tether ships an update monthly, and GPS Metrics every 9 months. Most recently, Tether was updated on October 30, 2026 and GPS Metrics on October 25, 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.*