# Plain CALENDAR_ vs xGridUp

The clearest difference is iOS requirement: Plain CALENDAR_ at 16.0 against xGridUp's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Plain CALENDAR_ ships an update every 2 days, xGridUp every 4 days. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Plain CALENDAR_ | xGridUp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 days |
| Size | 107 MB | 10 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [Hyobeom Han](https://appshunter.io/developer/1739693153) | [K2 Labs](https://appshunter.io/developer/1705596895) |

## What reviewers say

### Plain CALENDAR_

[App page](https://appshunter.io/ios/app/plain-calendar/id6523414947)

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

**In-app purchases:** none


### xGridUp

[App page](https://appshunter.io/ios/app/xgridup-dashboard/id6785068574)

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

**In-app purchases:** none


## Frequently asked questions

### Is Plain CALENDAR_ free?

Plain CALENDAR_ is free to download, with no in-app purchases.

### Is xGridUp free?

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

### Do Plain CALENDAR_ or xGridUp have ads?

Neither Plain CALENDAR_ nor xGridUp shows ads.

### Which is updated more often, Plain CALENDAR_ or xGridUp?

Plain CALENDAR_ ships an update every 2 days, and xGridUp every 4 days. Most recently, Plain CALENDAR_ was updated on October 18, 2026 and xGridUp on October 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.*