# Global Time Machine vs fuelUP

The clearest difference is in-app purchases: fuelUP at none against Global Time Machine's 2. fuelUP also leads on iOS requirement (11.0 vs 17.0). Global Time Machine's advantage is update cadence (every 5 days vs every 2 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Global Time Machine sells 2 in-app purchases, starting at $0.99 per month. fuelUP asks for nothing beyond the download.

Global Time Machine ships an update every 5 days, fuelUP every 2 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Global Time Machine | fuelUP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (7 ratings)](https://appshunter.io/ios/app/global-time-machine/id1082674619/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 58.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | Free | — |
| Size | 12 MB | 34 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | **iPhone, Mac, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [theMakeApp](https://appshunter.io/developer/1014975385) | [Mohd Hashmi](https://appshunter.io/developer/1561904498) |

## What reviewers say

### Global Time Machine

[App page](https://appshunter.io/ios/app/global-time-machine/id1082674619)

Easily track the time in any city worldwide. Add locations to your list to plan international calls, meetings, or connect with loved ones abroad. Features DST support and quick access to nearby hours.

**Highlights:** Track time in over 20,000 cities, View nearby hours by scrolling, Convenient world clock interface, DST support for all locations, Shake to reset functionality

**Features:** Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium · Monthly | $0.99 | per month |
| Premium · Yearly | $9.99 | per year |


### fuelUP

[App page](https://appshunter.io/ios/app/fuelup/id1561904496)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Global Time Machine free?

Global Time Machine is free to download, with in-app purchases available.

### Is fuelUP free?

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

### Do Global Time Machine or fuelUP have ads?

Neither Global Time Machine nor fuelUP shows ads.

### Which is updated more often, Global Time Machine or fuelUP?

Global Time Machine ships an update every 5 days, and fuelUP every 2 weeks. Most recently, Global Time Machine was updated on November 6, 2026 and fuelUP on November 3, 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.*