# DevPro Light vs JiaClock

The clearest difference is update cadence: JiaClock at every 4 days against DevPro Light's every 29 months. DevPro Light's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. DevPro Light sells 1 one-off in-app purchase 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.

DevPro Light ships an update every 29 months, JiaClock every 4 days. The most recent releases landed on September 22, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | DevPro Light | JiaClock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 4 days** |
| Size | 10 MB | 30 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [IIC Innovative International Consulting GmbH & Co. KG](https://appshunter.io/developer/1352683483) | [Beijing Boshujia Technology Co., Ltd](https://appshunter.io/developer/1666207574) |

## What reviewers say

### DevPro Light

[App page](https://appshunter.io/ios/app/devpro-light-device-security/id1581108628)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DevPro – Pro Version \| Unlock Pro | $1.99 | 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 DevPro Light free?

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

### Is JiaClock free?

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

### Do DevPro Light or JiaClock have ads?

Neither DevPro Light nor JiaClock shows ads.

### Which is updated more often, DevPro Light or JiaClock?

DevPro Light ships an update every 29 months, and JiaClock every 4 days. Most recently, DevPro Light was updated on September 22, 2026 and JiaClock on September 13, 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.*