# Work Smart Calendars vs Only Calendar

The clearest difference is in-app purchases: Work Smart Calendars at none against Only Calendar's 1. Work Smart Calendars also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Only Calendar sells 1 one-off in-app purchase. Work Smart Calendars asks for nothing beyond the download.

## The numbers

| Metric | Work Smart Calendars | Only Calendar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 42 MB | 3 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Jiaqi Liu](https://appshunter.io/developer/1893502017) | [Lizzian LLC](https://appshunter.io/developer/1895095832) |

## What reviewers say

### Work Smart Calendars

[App page](https://appshunter.io/ios/app/work-smart-calendars/id6762237736)

**Features:** macOS Compatibility

**In-app purchases:** none


### Only Calendar

[App page](https://appshunter.io/ios/app/only-calendar/id6772754764)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Only Calendar Pro | $5.99 | one-time |


## Frequently asked questions

### Is Work Smart Calendars free?

Work Smart Calendars is free to download, with no in-app purchases.

### Is Only Calendar free?

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

### Do Work Smart Calendars or Only Calendar have ads?

Neither Work Smart Calendars nor Only Calendar shows ads.

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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.*