# StelaClock vs Calendar Clock

The clearest difference is review sentiment: StelaClock at 86% against Calendar Clock's 0%. Calendar Clock's advantage is price ($0.99 vs $3.99). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

StelaClock costs $3.99 and Calendar Clock $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

StelaClock ships an update every 29 months, Calendar Clock every 41 months. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | StelaClock | Calendar Clock |
| --- | --- | --- |
| Price | $3.99 | **$0.99** |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/stelaclock/id528908559/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | **85.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 29 months** | Every 41 months |
| Monetization | Paid | Paid |
| Size | 7 MB | 4 MB |
| Requires iOS | **26.0** | 26.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gary Saggu](https://appshunter.io/developer/465733546) | [Systemiko Inc.](https://appshunter.io/developer/680630947) |

## What reviewers say

### StelaClock

[App page](https://appshunter.io/ios/app/stelaclock/id528908559)

Discover the Mayan calendar and number system with this educational clock app. It displays the current time and date using Mayan glyphs and a Base 20 notation, offering a unique way to experience ancient Maya culture.

**Highlights:** Mayan calendar display, Mayan number system, Vigesimal (Base 20) notation, Sophisticated calendar converter, Mayan glyph numerals, Daily use clock

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is StelaClock free?

StelaClock costs $3.99, with no in-app purchases.

### Is Calendar Clock free?

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

### Do StelaClock or Calendar Clock have ads?

Neither StelaClock nor Calendar Clock shows ads.

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

StelaClock ships an update every 29 months, and Calendar Clock every 41 months. Most recently, StelaClock was updated on October 10, 2026 and Calendar Clock on October 15, 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.*