# Exchange Server Public Folders vs Calendar Sync App

The clearest difference is ads: Calendar Sync App at none against Exchange Server Public Folders's shown. Exchange Server Public Folders's advantage is iOS requirement (10.0 vs 12.0). On price, update cadence, 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.

Exchange Server Public Folders ships an update every 6 months, Calendar Sync App every 4 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Exchange Server Public Folders | Calendar Sync App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/exchange-server-public-folders/id1495109732/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 179 MB | 201 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [itrezzo, Inc](https://appshunter.io/developer/1495109731) | [CiraApps Limited](https://appshunter.io/developer/1187220064) |

## What reviewers say

### Exchange Server Public Folders

[App page](https://appshunter.io/ios/app/exchange-server-public-folders/id1495109732)

Access and manage Microsoft Exchange Server Public Folder contacts and calendars directly from your mobile device. Create, edit, and delete entries, and view email messages. This enterprise application connects directly to your Exchange server via SSL.

**Highlights:** View Public Folder contacts and calendars, Create, edit, and delete contacts and appointments, View Public Folder email messages, Direct Exchange Web Services communication, SSL security, Supports on-premise and hosted Exchange

**Features:** macOS Compatibility

**In-app purchases:** none


### Calendar Sync App

[App page](https://appshunter.io/ios/app/calendar-sync-app-view-and-edit/id1665590174)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Exchange Server Public Folders free?

Exchange Server Public Folders is free to download, with no in-app purchases.

### Is Calendar Sync App free?

Calendar Sync App is free to download, with no in-app purchases.

### Do Exchange Server Public Folders or Calendar Sync App have ads?

Exchange Server Public Folders shows ads; Calendar Sync App does not.

### Which is updated more often, Exchange Server Public Folders or Calendar Sync App?

Exchange Server Public Folders ships an update every 6 months, and Calendar Sync App every 4 months. Most recently, Exchange Server Public Folders was updated on November 3, 2026 and Calendar Sync App on November 7, 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.*