# KH Control for iPhone vs Big Red Clock

The clearest difference is in-app purchases: KH Control for iPhone at none against Big Red Clock's 2. KH Control for iPhone also leads on rating (5.0 vs 4.6) and review sentiment (100% vs 77%). Big Red Clock's advantage is ratings volume (183 vs 2) and update cadence (every 2 weeks vs every 2 months). On price, ads and monetization model there is nothing between them.

Both are free to download. Big Red Clock sells 2 in-app purchases, starting at $0.99 per month. KH Control for iPhone asks for nothing beyond the download.

KH Control for iPhone holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Big Red Clock has 183 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of KH Control for iPhone's written reviews are positive against 77% of Big Red Clock's.

KH Control for iPhone ships an update every 2 months, Big Red Clock every 2 weeks. The most recent releases landed on October 6, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | KH Control for iPhone | Big Red Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/kh-control-for-iphone/id482968661/reviews)** | [4.6 (183 ratings)](https://appshunter.io/ios/app/big-red-clock/id1056306447/reviews) |
| Number of ratings | 2 | **183** |
| Positive reviews | **100.0% of reviews** | 77.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 5 MB | 15 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [iDo Technology, Inc.](https://appshunter.io/developer/287351339) | [Single Sail Software, LLC](https://appshunter.io/developer/359715495) |

## What reviewers say

### KH Control for iPhone

[App page](https://appshunter.io/ios/app/kh-control-for-iphone/id482968661)

Remotely manage your KH Control System from anywhere with an internet connection. Control security, access, lighting, climate, and irrigation for enhanced safety and energy savings.

**Highlights:** Remote system operation, Video camera monitoring, Security system control, Access management, Lighting control and scenes, Climate control, Irrigation zone management

**Features:** macOS Compatibility

**In-app purchases:** none


### Big Red Clock

[App page](https://appshunter.io/ios/app/big-red-clock/id1056306447)

This app provides a large, easily readable digital clock with both 12-hour and 24-hour formats. It also includes a countdown timer and a stopwatch function for various timekeeping needs.

**Highlights:** Large digital clock display, 12-hour and 24-hour formats, Countdown timer, Stopwatch functionality, Red color theme

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $5.99 | per year |


## Frequently asked questions

### Is KH Control for iPhone free?

KH Control for iPhone is free to download, with no in-app purchases.

### Is Big Red Clock free?

Big Red Clock is free to download, with in-app purchases available.

### Which has better reviews, KH Control for iPhone or Big Red Clock?

KH Control for iPhone is rated higher. KH Control for iPhone averages 5.0 out of 5 from 2 ratings, while Big Red Clock averages 4.6 from 183 ratings.

### Do KH Control for iPhone or Big Red Clock have ads?

Neither KH Control for iPhone nor Big Red Clock shows ads.

### Which is updated more often, KH Control for iPhone or Big Red Clock?

KH Control for iPhone ships an update every 2 months, and Big Red Clock every 2 weeks. Most recently, KH Control for iPhone was updated on October 6, 2026 and Big Red Clock on October 14, 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.*