# Cool Countdown vs 3D Hourglass Timer

The clearest difference is in-app purchases: Cool Countdown at none against 3D Hourglass Timer's 2. Cool Countdown also leads on review sentiment (100% vs 73%) and iOS requirement (6.0 vs 15.0). 3D Hourglass Timer's advantage is update cadence (every 6 weeks vs every 6 months) and ratings volume (28 vs 4). On price, rating, ads and device support there is nothing between them.

Both are free to download. 3D Hourglass Timer sells 2 one-off in-app purchases. Cool Countdown asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Cool Countdown against 4.7 for 3D Hourglass Timer. That said, the two scores are not equally well evidenced: 3D Hourglass Timer has 28 ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 100% of Cool Countdown's written reviews are positive against 73% of 3D Hourglass Timer's.

Cool Countdown ships an update every 6 months, 3D Hourglass Timer every 6 weeks. The most recent releases landed on September 26, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Cool Countdown | 3D Hourglass Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/cool-countdown/id1024567263/reviews)** | [4.7 (28 ratings)](https://appshunter.io/ios/app/3d-hourglass-timer/id6741709041/reviews) |
| Number of ratings | 4 | **28** |
| Positive reviews | **100.0% of reviews** | 72.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 78 MB | 177 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Serhii Simkovskyi](https://appshunter.io/developer/959904647) | [Kyohei Hosono](https://appshunter.io/developer/1089376066) |

## What reviewers say

### Cool Countdown

[App page](https://appshunter.io/ios/app/cool-countdown/id1024567263)

This app provides a visually engaging countdown and count-up timer with an authentic design. It's ideal for managing time for various activities, from children's tasks to personal projects, offering animated visuals and customizable durations.

**Highlights:** Stylish design with animated time flow, Visual and sound notifications, Works in device lock or sleep mode, Wide range of time durations (seconds to 100 hours), Counts time past completion, User-friendly interface

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

**In-app purchases:** none


### 3D Hourglass Timer

[App page](https://appshunter.io/ios/app/3d-hourglass-timer/id6741709041)

Experience a moment of luxury and tranquility with a beautifully designed app featuring 3D hourglasses. Enhance meditation, relaxation, and focus with customizable timers, soothing sounds, and calming music.

**Highlights:** Beautifully designed 3D hourglasses, 360° sand flow visualization, Timer from 1 to 180 minutes, Soothing sand and background sounds, Focus-boosting study timer, Elegant and luxurious design

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Moon Timer | $1.99 | one-time |
| Jellyfish Hourglass | $1.99 | one-time |


## Frequently asked questions

### Is Cool Countdown free?

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

### Is 3D Hourglass Timer free?

3D Hourglass Timer is free to download, with in-app purchases available.

### Which has better reviews, Cool Countdown or 3D Hourglass Timer?

Cool Countdown is rated higher. Cool Countdown averages 4.8 out of 5 from 4 ratings, while 3D Hourglass Timer averages 4.7 from 28 ratings.

### Do Cool Countdown or 3D Hourglass Timer have ads?

Neither Cool Countdown nor 3D Hourglass Timer shows ads.

### Which is updated more often, Cool Countdown or 3D Hourglass Timer?

Cool Countdown ships an update every 6 months, and 3D Hourglass Timer every 6 weeks. Most recently, Cool Countdown was updated on September 26, 2026 and 3D Hourglass Timer on October 3, 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.*