# JiaClock vs Nova Ai

The clearest difference is ads: JiaClock at none against Nova Ai's shown. JiaClock also leads on update cadence (every 4 days vs every 5 weeks). Nova Ai's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. JiaClock sells 3 in-app purchases, starting at $0.99 per month and Nova Ai sells 4 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

JiaClock ships an update every 4 days, Nova Ai every 5 weeks. The most recent releases landed on October 17, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | JiaClock | Nova Ai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 5 weeks |
| Size | 30 MB | 154 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Boshujia Technology Co., Ltd](https://appshunter.io/developer/1666207574) | [Y-A Real Estate SAL](https://appshunter.io/developer/6786174474) |

## What reviewers say

### 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 |


### Nova Ai

[App page](https://appshunter.io/ios/app/nova-ai-image-generator/id6786174472)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nova Ai Essential Weekly | $6.99 | per 7 days |
| Nova Ai Weekly - Studio | $9.99 | per 7 days |
| Nova Ai Annual - Essential | $59.99 | per year |
| Nova Ai Studio - Annual | $99.99 | per year |


## Frequently asked questions

### Is JiaClock free?

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

### Is Nova Ai free?

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

### Do JiaClock or Nova Ai have ads?

Nova Ai shows ads; JiaClock does not.

### Which is updated more often, JiaClock or Nova Ai?

JiaClock ships an update every 4 days, and Nova Ai every 5 weeks. Most recently, JiaClock was updated on October 17, 2026 and Nova Ai on October 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.*