# Sity PMS vs Open Activate

The clearest difference is ads: Sity PMS at none against Open Activate's shown. Open Activate's advantage is update cadence (weekly vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sity PMS ships an update every 2 months, Open Activate weekly. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Sity PMS | Open Activate |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Size | 61 MB | 30 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [SITY AC JONT STOCK COMPANY](https://appshunter.io/developer/1711168515) | [Xuan Truong Pham Le](https://appshunter.io/developer/1859511331) |

## What reviewers say

### Sity PMS

[App page](https://appshunter.io/ios/app/sity-pms/id6468986164)

**Features:** macOS Compatibility

**In-app purchases:** none


### Open Activate

[App page](https://appshunter.io/ios/app/open-activate/id6782564315)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sity PMS free?

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

### Is Open Activate free?

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

### Do Sity PMS or Open Activate have ads?

Open Activate shows ads; Sity PMS does not.

### Which is updated more often, Sity PMS or Open Activate?

Sity PMS ships an update every 2 months, and Open Activate weekly. Most recently, Sity PMS was updated on October 6, 2026 and Open Activate on October 1, 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.*