# Clock n Local Forecast vs 51知灾害

The clearest difference is review sentiment: Clock n Local Forecast at 100% against 51知灾害's 0%. 51知灾害's advantage is ads (none vs shown) and update cadence (every 4 months vs every 104 months). On price, in-app purchases and device support there is nothing between them.

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

Clock n Local Forecast ships an update every 104 months, 51知灾害 every 4 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Clock n Local Forecast | 51知灾害 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 104 months | **Every 4 months** |
| Monetization | Ad-supported | **Free** |
| Size | 7 MB | 53 MB |
| Requires iOS | 14.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Ramalingam Sivaramakrishnan](https://appshunter.io/developer/892706271) | [钦荣 翁](https://appshunter.io/developer/1278827536) |

## What reviewers say

### Clock n Local Forecast

[App page](https://appshunter.io/ios/app/clock-n-local-forecast-live/id1120559347)

This app provides a digital clock with a local weather forecast. It features a clean day and night mode and can optionally beep on the hour. It's designed to be a simple and useful companion.

**Highlights:** Digital clock display, Local weather forecast, Hourly beep alert option, Day and night mode, Clean interface

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

**In-app purchases:** none


### 51知灾害

[App page](https://appshunter.io/ios/app/51/id1592935902)

This application provides comprehensive professional service modules. It has been comprehensively upgraded to offer enhanced functionality and user experience.

**Highlights:** Comprehensive professional service modules, Upgraded functionality, Enhanced user experience, Weather information services

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

**In-app purchases:** none


## Frequently asked questions

### Is Clock n Local Forecast free?

Clock n Local Forecast is free to download, with no in-app purchases.

### Is 51知灾害 free?

51知灾害 is free to download, with no in-app purchases.

### Do Clock n Local Forecast or 51知灾害 have ads?

Clock n Local Forecast shows ads; 51知灾害 does not.

### Which is updated more often, Clock n Local Forecast or 51知灾害?

Clock n Local Forecast ships an update every 104 months, and 51知灾害 every 4 months. Most recently, Clock n Local Forecast was updated on November 7, 2026 and 51知灾害 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.*