# Syncronicity for Exchange vs KeyFill

The clearest difference is in-app purchases: Syncronicity for Exchange at none against KeyFill's 1. Syncronicity for Exchange also leads on device support (3 vs 1) and iOS requirement (11.0 vs 17.6). KeyFill's advantage is update cadence (every 10 days vs every 2 months). On price and ads there is nothing between them.

Both are free to download. KeyFill sells 1 one-off in-app purchase. Syncronicity for Exchange asks for nothing beyond the download.

Syncronicity for Exchange ships an update every 2 months, KeyFill every 10 days. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Syncronicity for Exchange | KeyFill |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/syncronicity-for-exchange/id605018035/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 10 MB | 10 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Eight Bit Software Co.](https://appshunter.io/developer/552454152) | [Mark Lester Edquilane](https://appshunter.io/developer/1782537235) |

## What reviewers say

### Syncronicity for Exchange

[App page](https://appshunter.io/ios/app/syncronicity-for-exchange/id605018035)

Access and browse corporate Microsoft Exchange and Office 365 shared calendars in a familiar interface. Easily view colleagues' latest events and all event details, even with limited access. Requires Exchange 2007 or 2010 web services.

**Highlights:** Access shared Exchange/Office 365 calendars, Familiar calendar interface (month, list, week, day), View all event information including notes, Supports free/busy or limited access calendars, Easy setup with Autodiscover and address book

**Features:** macOS Compatibility

**In-app purchases:** none


### KeyFill

[App page](https://appshunter.io/ios/app/keyfill/id6740271503)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Unlimited Items | $1.99 | one-time |


## Frequently asked questions

### Is Syncronicity for Exchange free?

Syncronicity for Exchange is free to download, with no in-app purchases.

### Is KeyFill free?

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

### Do Syncronicity for Exchange or KeyFill have ads?

Neither Syncronicity for Exchange nor KeyFill shows ads.

### Which is updated more often, Syncronicity for Exchange or KeyFill?

Syncronicity for Exchange ships an update every 2 months, and KeyFill every 10 days. Most recently, Syncronicity for Exchange was updated on October 5, 2026 and KeyFill on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*