# UoP Open Days vs ACE Polish Pro

The clearest difference is in-app purchases: UoP Open Days at none against ACE Polish Pro's 1. ACE Polish Pro's advantage is ads (none vs shown) and update cadence (every 2 days vs every 5 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ACE Polish Pro sells 1 one-off in-app purchase. UoP Open Days asks for nothing beyond the download.

UoP Open Days ships an update every 5 weeks, ACE Polish Pro every 2 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | UoP Open Days | ACE Polish Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 2 days** |
| Size | 77 MB | 85 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Clarifi Media](https://appshunter.io/developer/873094435) | [Paul Carson](https://appshunter.io/developer/1888772646) |

## What reviewers say

### UoP Open Days

[App page](https://appshunter.io/ios/app/uop-open-days/id6740464111)

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

**In-app purchases:** none


### ACE Polish Pro

[App page](https://appshunter.io/ios/app/ace-polish-pro/id6799776969)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Power | $4.99 | one-time |


## Frequently asked questions

### Is UoP Open Days free?

UoP Open Days is free to download, with no in-app purchases.

### Is ACE Polish Pro free?

ACE Polish Pro is free to download, with in-app purchases available.

### Do UoP Open Days or ACE Polish Pro have ads?

UoP Open Days shows ads; ACE Polish Pro does not.

### Which is updated more often, UoP Open Days or ACE Polish Pro?

UoP Open Days ships an update every 5 weeks, and ACE Polish Pro every 2 days. Most recently, UoP Open Days was updated on October 28, 2026 and ACE Polish Pro on October 25, 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.*