# Unitify vs GPSignal

The clearest difference is price: Unitify at Free against GPSignal's $2.99. Unitify also leads on update cadence (every 2 weeks vs every 4 months). GPSignal's advantage is iOS requirement (13.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Unitify is free to download; GPSignal costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Unitify ships an update every 2 weeks, GPSignal every 4 months. The most recent releases landed on May 17, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Unitify | GPSignal |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Size | 5 MB | 1 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Marwa Abou Niaaj](https://appshunter.io/developer/1407184850) | [Jose Maria Dubra Valenzuela](https://appshunter.io/developer/1700180919) |

## What reviewers say

### Unitify

[App page](https://appshunter.io/ios/app/unitify-unit-conversion/id1641864451)

**In-app purchases:** none


### GPSignal

[App page](https://appshunter.io/ios/app/gpsignal-measure-watch-gps/id6479388652)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Unitify free?

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

### Is GPSignal free?

GPSignal costs $2.99, with no in-app purchases.

### Do Unitify or GPSignal have ads?

Neither Unitify nor GPSignal shows ads.

### Which is updated more often, Unitify or GPSignal?

Unitify ships an update every 2 weeks, and GPSignal every 4 months. Most recently, Unitify was updated on May 17, 2026 and GPSignal on September 8, 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.*