# Calendar Clock vs ZESCO Mobile

The clearest difference is price: ZESCO Mobile at Free against Calendar Clock's $0.99. ZESCO Mobile also leads on update cadence (every 5 months vs every 41 months) and iOS requirement (12.0 vs 26.5). On review sentiment, ads, in-app purchases and device support there is nothing between them.

ZESCO Mobile 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, ZESCO Mobile every 5 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Calendar Clock | ZESCO Mobile |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[2.8 (5 ratings)](https://appshunter.io/ios/app/zesco-mobile/id1498786190/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 5 months** |
| Monetization | Paid | **Free** |
| Size | 4 MB | 49 MB |
| Requires iOS | 26.5 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Systemiko Inc.](https://appshunter.io/developer/680630947) | [ZESCO LIMITED](https://appshunter.io/developer/1498786189) |

## 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


### ZESCO Mobile

[App page](https://appshunter.io/ios/app/zesco-mobile/id1498786190)

This utility app allows ZESCO customers to efficiently report faults, check new installation statuses, and track power token purchases. Users must sign up using their meter or account number and an active mobile number registered to their premise.

**Highlights:** Report faults, Lookup installation status, Track token purchases, Customer registration, Account management

**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 ZESCO Mobile free?

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

### Do Calendar Clock or ZESCO Mobile have ads?

Neither Calendar Clock nor ZESCO Mobile shows ads.

### Which is updated more often, Calendar Clock or ZESCO Mobile?

Calendar Clock ships an update every 41 months, and ZESCO Mobile every 5 months. Most recently, Calendar Clock was updated on November 2, 2026 and ZESCO Mobile on November 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.*