# Big Live Clock vs JiaClock

The clearest difference is update cadence: JiaClock at every 4 days against Big Live Clock's every 4 months. Big Live Clock's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Big Live Clock sells 4 in-app purchases, starting at $2.99 per month and JiaClock sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Big Live Clock ships an update every 4 months, JiaClock every 4 days. The most recent releases landed on October 4, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Big Live Clock | JiaClock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Size | 18 MB | 30 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Asadullah Yaseen](https://appshunter.io/developer/1513646196) | [Beijing Boshujia Technology Co., Ltd](https://appshunter.io/developer/1666207574) |

## What reviewers say

### Big Live Clock

[App page](https://appshunter.io/ios/app/big-live-clock-wallpapers-time/id1518735708)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month Pro | $2.99 | per month |
| Three Month Pro | $9.49 | per 3 months |
| One Year Pro | $17.99 | per year |
| Life Time -One Time Purchasing | $24.99 | one-time |


### JiaClock

[App page](https://appshunter.io/ios/app/jiaclock/id6776895229)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Xiaojia Clock Pro Monthly | $0.99 | per month |
| Xiaojia Clock Pro Yearly | $0.99 | per year |
| Xiaojia Clock Pro Lifetime | $1.99 | one-time |


## Frequently asked questions

### Is Big Live Clock free?

Big Live Clock is free to download, with in-app purchases available.

### Is JiaClock free?

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

### Do Big Live Clock or JiaClock have ads?

Neither Big Live Clock nor JiaClock shows ads.

### Which is updated more often, Big Live Clock or JiaClock?

Big Live Clock ships an update every 4 months, and JiaClock every 4 days. Most recently, Big Live Clock was updated on October 4, 2026 and JiaClock on October 17, 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.*