# GPSTime vs TrueOffset

GPSTime and TrueOffset are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

GPSTime ships an update every 2 weeks, TrueOffset every 3 weeks. The most recent releases landed on September 27, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | GPSTime | TrueOffset |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gpstime/id6751814380/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free | — |
| Size | 25 MB | 2 MB |
| Requires iOS | 18.5 | **17.6** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Apple TV |
| Age rating | 4+ | 4+ |
| Developer | [Gimin Kim](https://appshunter.io/developer/1836958729) | [Richard Bollar](https://appshunter.io/developer/1864304955) |

## What reviewers say

### GPSTime

[App page](https://appshunter.io/ios/app/gpstime/id6751814380)

This tool converts between GPS Time and UTC, supporting various formats like GPS Week, Gregorian calendar, and Modified Julian Date. It accurately handles leap seconds and saves conversion history for GNSS professionals, researchers, and students.

**Highlights:** GPS Time to UTC conversion, Support for leap seconds, Multiple time format support, Conversion history saving, Configurable default scenarios, Clean interface

**In-app purchases:** none


### TrueOffset

[App page](https://appshunter.io/ios/app/trueoffset/id6757518499)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GPSTime free?

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

### Is TrueOffset free?

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

### Do GPSTime or TrueOffset have ads?

Neither GPSTime nor TrueOffset shows ads.

### Which is updated more often, GPSTime or TrueOffset?

GPSTime ships an update every 2 weeks, and TrueOffset every 3 weeks. Most recently, GPSTime was updated on September 27, 2026 and TrueOffset on September 20, 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.*