# Tempus World Clock vs AlphaTime

The clearest difference is price: AlphaTime at Free against Tempus World Clock's $1.99. AlphaTime also leads on iOS requirement (15.1 vs 17.0). Tempus World Clock's advantage is in-app purchases (none vs 1) and chart position (#199 vs unranked). On update cadence, ads and device support there is nothing between them.

AlphaTime is free to download; Tempus World Clock costs $1.99 up front. AlphaTime sells 1 in-app purchase, starting at $0.99 per month. Tempus World Clock asks for nothing beyond the download.

Tempus World Clock ships an update every 9 days, AlphaTime fortnightly. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Tempus World Clock | AlphaTime |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/tempus-world-clock/id6757654219/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Monetization | Paid | — |
| Best chart rank | **#199** | — |
| Size | 73 MB | 27 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Viktor Gamov](https://appshunter.io/developer/1868107656) | [JEN EVANS TRUSHEVSKA](https://appshunter.io/developer/6805593446) |

## What reviewers say

### Tempus World Clock

[App page](https://appshunter.io/ios/app/tempus-world-clock/id6757654219)

**Currently charting:** #199 Top Paid · Utilities (US App Store)

Easily track multiple time zones with customizable clocks for cities and people. Convert times instantly, find meeting windows, and set location-specific reminders. View city details including weather and sunrise/sunset.

**Highlights:** Customizable clocks with names, emojis, and color tags, Instant time conversion with a draggable scrubber, Meeting finder with overlapping availability windows, Location-specific reminders, City detail view with weather and daylight arc, Profile grouping for clocks, Lock screen and Dynamic Island integration

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### AlphaTime

[App page](https://appshunter.io/ios/app/alphatime-world-clock/id6805593444)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AlphaTime Premium | $0.99 | per month |


## Frequently asked questions

### Is Tempus World Clock free?

Tempus World Clock costs $1.99, with no in-app purchases.

### Is AlphaTime free?

AlphaTime is free to download, with in-app purchases available.

### Do Tempus World Clock or AlphaTime have ads?

Neither Tempus World Clock nor AlphaTime shows ads.

### Which is updated more often, Tempus World Clock or AlphaTime?

Tempus World Clock ships an update every 9 days, and AlphaTime fortnightly. Most recently, Tempus World Clock was updated on November 9, 2026 and AlphaTime on October 31, 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.*