# Pro vs Ucar Collections

The clearest difference is update cadence: Pro at fortnightly against Ucar Collections's monthly. On price, ads, 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.

Pro ships an update fortnightly, Ucar Collections monthly. The most recent releases landed on September 29, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Pro | Ucar Collections |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Size | 1 MB | 27 MB |
| Requires iOS | **14.6** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Haidi Energy Tehcnogy Co., Ltd](https://appshunter.io/developer/1645467042) | [UCAR B.V.](https://appshunter.io/developer/1775425860) |

## What reviewers say

### Pro

[App page](https://appshunter.io/ios/app/pro-user/id6504571751)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ucar Collections

[App page](https://appshunter.io/ios/app/ucar-collections/id6737233458)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pro free?

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

### Is Ucar Collections free?

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

### Do Pro or Ucar Collections have ads?

Neither Pro nor Ucar Collections shows ads.

### Which is updated more often, Pro or Ucar Collections?

Pro ships an update fortnightly, and Ucar Collections monthly. Most recently, Pro was updated on September 29, 2026 and Ucar Collections on October 2, 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.*