# NOVAq vs CatchU

The clearest difference is in-app purchases: NOVAq at none against CatchU's 1. NOVAq also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). CatchU's advantage is update cadence (every 8 days vs every 3 weeks). On price and ads there is nothing between them.

Both are free to download. CatchU sells 1 one-off in-app purchase. NOVAq asks for nothing beyond the download.

NOVAq ships an update every 3 weeks, CatchU every 8 days. The most recent releases landed on September 8, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | NOVAq | CatchU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Size | 48 MB | 12 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [上海英检供应链管理有限公司](https://appshunter.io/developer/1231958929) | [乐 王](https://appshunter.io/developer/1879659759) |

## What reviewers say

### NOVAq

[App page](https://appshunter.io/ios/app/novaq/id1442048831)

**Features:** macOS Compatibility

**In-app purchases:** none


### CatchU

[App page](https://appshunter.io/ios/app/catchu/id6760410648)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Unlock - Unlimited Citations | $1.99 | one-time |


## Frequently asked questions

### Is NOVAq free?

NOVAq is free to download, with no in-app purchases.

### Is CatchU free?

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

### Do NOVAq or CatchU have ads?

Neither NOVAq nor CatchU shows ads.

### Which is updated more often, NOVAq or CatchU?

NOVAq ships an update every 3 weeks, and CatchU every 8 days. Most recently, NOVAq was updated on September 8, 2026 and CatchU on September 18, 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.*