# Calendar Clock vs Celula Riego

The clearest difference is price: Celula Riego at Free against Calendar Clock's $0.99. Celula Riego also leads on iOS requirement (17.2 vs 26.5). On update cadence, ads, in-app purchases and device support there is nothing between them.

Celula Riego is free to download; Calendar Clock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calendar Clock ships an update every 41 months, Celula Riego every 24 months. The most recent releases landed on September 10, 2026 and February 3, 2026 respectively.

## The numbers

| Metric | Calendar Clock | Celula Riego |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 24 months** |
| Monetization | Paid | — |
| Size | 4 MB | 18 MB |
| Requires iOS | 26.5 | **17.2** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Systemiko Inc.](https://appshunter.io/developer/680630947) | [Regacom S.Coop.And.](https://appshunter.io/developer/1545580966) |

## 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


### Celula Riego

[App page](https://appshunter.io/ios/app/celula-riego/id1556459459)

**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 Celula Riego free?

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

### Do Calendar Clock or Celula Riego have ads?

Neither Calendar Clock nor Celula Riego shows ads.

### Which is updated more often, Calendar Clock or Celula Riego?

Calendar Clock ships an update every 41 months, and Celula Riego every 24 months. Most recently, Calendar Clock was updated on September 10, 2026 and Celula Riego on February 3, 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.*