# Corluma vs Countdown Widget

The clearest difference is in-app purchases: Corluma at none against Countdown Widget's 4. Corluma also leads on device support (3 vs 1). Countdown Widget's advantage is update cadence (every 5 days vs every 3 weeks) and ratings volume (13 vs 4). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Countdown Widget sells 4 in-app purchases, starting at $0.99 per month. Corluma asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Corluma against 4.9 for Countdown Widget. Both are backed by a comparable volume of ratings — 4 and 13 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Corluma ships an update every 3 weeks, Countdown Widget every 5 days. The most recent releases landed on October 7, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Corluma | Countdown Widget |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/corluma/id1636211895/reviews)** | [4.9 (13 ratings)](https://appshunter.io/ios/app/countdown-widget-countful/id6504784186/reviews) |
| Number of ratings | 4 | **13** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 31 MB | 47 MB |
| Requires iOS | 17 | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Timothy Seemann](https://appshunter.io/developer/1636212137) | [Khuong Pham](https://appshunter.io/developer/1593197909) |

## What reviewers say

### Corluma

[App page](https://appshunter.io/ios/app/corluma/id1636211895)

Manage all your smart lights from a single application. Adjust colors with intuitive tools, create dynamic effects, and group lights for simultaneous control. Save and recall favorite settings, add timeouts, and access device-specific features.

**Highlights:** Unified smart light control, Color wheels, swatches, and palettes, Dynamic effects and streams, Group light management, Save and recall favorite settings, Device-specific features, Local Wi-Fi communication

**Features:** Vision Pro support

**In-app purchases:** none


### Countdown Widget

[App page](https://appshunter.io/ios/app/countdown-widget-countful/id6504784186)

Easily create and track countdowns for all your important events with customizable reminders and widgets. Organize events with tags and personalize them with unique designs to stay on top of your schedule.

**Highlights:** Event countdowns (days, hours, minutes), Repeat event tracking, Home screen widgets, Customizable event cards, Customizable reminders, Tag filtering for organization

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $5.99 | per year |
| Discount lifetime access | $3.99 | one-time |
| Lifetime access | $9.99 | one-time |


## Frequently asked questions

### Is Corluma free?

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

### Is Countdown Widget free?

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

### Which has better reviews, Corluma or Countdown Widget?

Corluma is rated higher. Corluma averages 5.0 out of 5 from 4 ratings, while Countdown Widget averages 4.9 from 13 ratings.

### Do Corluma or Countdown Widget have ads?

Neither Corluma nor Countdown Widget shows ads.

### Which is updated more often, Corluma or Countdown Widget?

Corluma ships an update every 3 weeks, and Countdown Widget every 5 days. Most recently, Corluma was updated on October 7, 2026 and Countdown Widget on September 28, 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.*