# Calendar Clock vs LoPy WiFi Performance Tester

The clearest difference is price: Calendar Clock at $0.99 against LoPy WiFi Performance Tester's $199.99. LoPy WiFi Performance Tester's advantage is iOS requirement (13.2 vs 26.5). On update cadence, ads, in-app purchases and device support there is nothing between them.

Calendar Clock costs $0.99 and LoPy WiFi Performance Tester $199.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calendar Clock ships an update every 41 months, LoPy WiFi Performance Tester every 29 months. The most recent releases landed on October 24, 2026 and August 23, 2026 respectively.

## The numbers

| Metric | Calendar Clock | LoPy WiFi Performance Tester |
| --- | --- | --- |
| Price | **$0.99** | $199.99 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 29 months** |
| Monetization | Paid | — |
| Size | 4 MB | 1 MB |
| Requires iOS | 26.5 | **13.2** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Systemiko Inc.](https://appshunter.io/developer/680630947) | [Aidan Lok](https://appshunter.io/developer/903659632) |

## 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


### LoPy WiFi Performance Tester

[App page](https://appshunter.io/ios/app/lopy-wifi-performance-tester/id1500101431)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calendar Clock free?

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

### Is LoPy WiFi Performance Tester free?

LoPy WiFi Performance Tester costs $199.99, with no in-app purchases.

### Do Calendar Clock or LoPy WiFi Performance Tester have ads?

Neither Calendar Clock nor LoPy WiFi Performance Tester shows ads.

### Which is updated more often, Calendar Clock or LoPy WiFi Performance Tester?

Calendar Clock ships an update every 41 months, and LoPy WiFi Performance Tester every 29 months. Most recently, Calendar Clock was updated on October 24, 2026 and LoPy WiFi Performance Tester on August 23, 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.*