# Countdown GO vs RKM Comfort Controller

The clearest difference is in-app purchases: RKM Comfort Controller at none against Countdown GO's 1. RKM Comfort Controller also leads on iOS requirement (13.0 vs 17.0). Countdown GO's advantage is update cadence (fortnightly vs every 6 weeks) and device support (5 vs 3). On price and ads there is nothing between them.

Both are free to download. Countdown GO sells 1 one-off in-app purchase. RKM Comfort Controller asks for nothing beyond the download.

Countdown GO ships an update fortnightly, RKM Comfort Controller every 6 weeks. The most recent releases landed on September 15, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Countdown GO | RKM Comfort Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (16 ratings)](https://appshunter.io/ios/app/countdown-go/id1339796097/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 62 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | **iPhone, iPad, Mac, Apple TV, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jeroen Zonneveld](https://appshunter.io/developer/986977335) | [Nuve Home](https://appshunter.io/developer/1752266972) |

## What reviewers say

### Countdown GO

[App page](https://appshunter.io/ios/app/countdown-go/id1339796097)

Track upcoming events and activities with personalized visuals. Share your countdowns across Apple devices via iCloud. Use your iPad as a dynamic photo frame for your events.

**Highlights:** Add multiple activities, Personalize with pictures, iPad photo frame mode, iCloud device sharing

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $0.99 | one-time |


### RKM Comfort Controller

[App page](https://appshunter.io/ios/app/rkm-comfort-controller/id6741214351)

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

**In-app purchases:** none


## Frequently asked questions

### Is Countdown GO free?

Countdown GO is free to download, with in-app purchases available.

### Is RKM Comfort Controller free?

RKM Comfort Controller is free to download, with no in-app purchases.

### Do Countdown GO or RKM Comfort Controller have ads?

Neither Countdown GO nor RKM Comfort Controller shows ads.

### Which is updated more often, Countdown GO or RKM Comfort Controller?

Countdown GO ships an update fortnightly, and RKM Comfort Controller every 6 weeks. Most recently, Countdown GO was updated on September 15, 2026 and RKM Comfort Controller on September 17, 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.*