# iKeyFreePro vs Calendar Clock

The clearest difference is price: iKeyFreePro at Free against Calendar Clock's $0.99. iKeyFreePro also leads on review sentiment (33% vs 0%) and update cadence (every 7 months vs every 41 months). On ads, in-app purchases and device support there is nothing between them.

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

iKeyFreePro ships an update every 7 months, Calendar Clock every 41 months. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iKeyFreePro | Calendar Clock |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ikeyfreepro/id1438869915/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 41 months |
| Monetization | **Free** | Paid |
| Size | 32 MB | 4 MB |
| Requires iOS | **10.0** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DAESUNG RO](https://appshunter.io/developer/1279690882) | [Systemiko Inc.](https://appshunter.io/developer/680630947) |

## What reviewers say

### iKeyFreePro

[App page](https://appshunter.io/ios/app/ikeyfreepro/id1438869915)

This app allows you to lock and unlock your car doors using your smartphone, eliminating the need for a physical key fob. It offers features like automatic unlocking when you approach your vehicle and automatic locking when you move away. You can also use a PIN code as a backup.

**Highlights:** Smartphone control for car doors, Automatic door unlocking on approach, Automatic door locking at a distance, One-touch lock and unlock, PIN code backup access, Supports up to five smartphones per vehicle

**Features:** macOS Compatibility

**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 iKeyFreePro free?

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

### Is Calendar Clock free?

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

### Do iKeyFreePro or Calendar Clock have ads?

Neither iKeyFreePro nor Calendar Clock shows ads.

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

iKeyFreePro ships an update every 7 months, and Calendar Clock every 41 months. Most recently, iKeyFreePro was updated on October 10, 2026 and Calendar Clock on October 24, 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.*