# Sphere Time vs ONE WATCH

The clearest difference is in-app purchases: Sphere Time at none against ONE WATCH's 3. Sphere Time also leads on iOS requirement (9.3 vs 18.0). ONE WATCH's advantage is update cadence (every 3 days vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. ONE WATCH sells 3 in-app purchases, starting at $2.99 per month. Sphere Time asks for nothing beyond the download.

Sphere Time ships an update every 5 weeks, ONE WATCH every 3 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Sphere Time | ONE WATCH |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (10 ratings)](https://appshunter.io/ios/app/sphere-time/id1441017597/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Monetization | Free | — |
| Size | 33 MB | 52 MB |
| Requires iOS | **9.3** | 18.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Sphere Consulting, Inc.](https://appshunter.io/developer/490104412) | [Johann Szebeni](https://appshunter.io/developer/1880746405) |

## What reviewers say

### Sphere Time

[App page](https://appshunter.io/ios/app/sphere-time/id1441017597)

Easily convert time zones to stay connected globally. This app helps frequent travelers, those with international family, or professionals working across different regions understand the time in any city worldwide. It offers an intuitive interface for seamless time zone management.

**Highlights:** Intuitive time zone conversion, Supports multiple time zones simultaneously, Works offline with cached data, Global city database, Reduces meeting time zone confusion

**Features:** macOS Compatibility

**In-app purchases:** none


### ONE WATCH

[App page](https://appshunter.io/ios/app/one-watch-timezone-clock/id6777670673)

**Features:** Family Sharing, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $24.99 | per year |
| Premium Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Sphere Time free?

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

### Is ONE WATCH free?

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

### Do Sphere Time or ONE WATCH have ads?

Neither Sphere Time nor ONE WATCH shows ads.

### Which is updated more often, Sphere Time or ONE WATCH?

Sphere Time ships an update every 5 weeks, and ONE WATCH every 3 days. Most recently, Sphere Time was updated on November 2, 2026 and ONE WATCH 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.*