# Calendar Clock vs Non

The clearest difference is update cadence: Non at every 8 months against Calendar Clock's every 41 months. Non also leads on iOS requirement (9.0 vs 26.5). Calendar Clock's advantage is price ($0.99 vs $1.99). On ads, in-app purchases and device support there is nothing between them.

Calendar Clock costs $0.99 and Non $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calendar Clock ships an update every 41 months, Non every 8 months. The most recent releases landed on September 10, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Calendar Clock | Non |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 8 months** |
| Monetization | Paid | — |
| Size | 4 MB | 8 MB |
| Requires iOS | 26.5 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Systemiko Inc.](https://appshunter.io/developer/680630947) | [QWERT LLC](https://appshunter.io/developer/1818744715) |

## What reviewers say

### Calendar Clock

[App page](https://appshunter.io/ios/app/calendar-clock/id1451445740)

This app displays the current year, month, week, and time on a single screen with a clean design. It offers customizable theme colors and functions as a desk clock. The app disables device sleep mode while active.

**Highlights:** All-in-one screen display, Year, month, week, day, hour, minute, second, Switchable theme colors (dark, light, green, blue), Disables device sleep mode, Acts as a desk clock

**Features:** macOS Compatibility

**In-app purchases:** none


### Non

[App page](https://appshunter.io/ios/app/non-overlapping-grouping-pro/id1466498428)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calendar Clock free?

Calendar Clock costs $0.99, with no in-app purchases.

### Is Non free?

Non costs $1.99, with no in-app purchases.

### Do Calendar Clock or Non have ads?

Neither Calendar Clock nor Non shows ads.

### Which is updated more often, Calendar Clock or Non?

Calendar Clock ships an update every 41 months, and Non every 8 months. Most recently, Calendar Clock was updated on September 10, 2026 and Non on September 21, 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.*