# 全屏时钟 vs OffTime

The clearest difference is in-app purchases: 全屏时钟 at none against OffTime's 1. 全屏时钟 also leads on update cadence (daily vs every 9 days). OffTime's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. OffTime sells 1 one-off in-app purchase. 全屏时钟 asks for nothing beyond the download.

全屏时钟 ships an update daily, OffTime every 9 days. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | 全屏时钟 | OffTime |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 9 days |
| Size | 15 MB | 11 MB |
| Requires iOS | **16** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [子幸 聂](https://appshunter.io/developer/1881766687) | [婷 李](https://appshunter.io/developer/1871717239) |

## What reviewers say

### 全屏时钟

[App page](https://appshunter.io/ios/app/id6760887937)

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

**In-app purchases:** none


### OffTime

[App page](https://appshunter.io/ios/app/offtime-world-clock-and-widget/id6794565774)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OffTime Pro | $6.99 | one-time |


## Frequently asked questions

### Is 全屏时钟 free?

全屏时钟 is free to download, with no in-app purchases.

### Is OffTime free?

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

### Do 全屏时钟 or OffTime have ads?

全屏时钟 shows ads; OffTime does not.

### Which is updated more often, 全屏时钟 or OffTime?

全屏时钟 ships an update daily, and OffTime every 9 days. Most recently, 全屏时钟 was updated on November 9, 2026 and OffTime on November 10, 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.*