# Cool Countdown vs Interval Timer

The clearest difference is in-app purchases: Cool Countdown at none against Interval Timer's 1. Cool Countdown also leads on ads (none vs shown) and review sentiment (100% vs 84%). Interval Timer's advantage is ratings volume (250 vs 4) and update cadence (every 2 months vs every 6 months). On price, rating and device support there is nothing between them.

Both are free to download. Interval Timer sells 1 one-off in-app purchase. 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 4.9 for Interval Timer. That said, the two scores are not equally well evidenced: Interval Timer has 250 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 84% of Interval Timer's.

Cool Countdown ships an update every 6 months, Interval Timer every 2 months. The most recent releases landed on November 1, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | Cool Countdown | Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (4 ratings)](https://appshunter.io/ios/app/cool-countdown/id1024567263/reviews) | **[4.9 (250 ratings)](https://appshunter.io/ios/app/interval-timer-hiit-workout/id1596127692/reviews)** |
| Number of ratings | 4 | **250** |
| Positive reviews | **100.0% of reviews** | 84.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 78 MB | 12 MB |
| Requires iOS | **6.0** | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Serhii Simkovskyi](https://appshunter.io/developer/959904647) | [Yosyp Hameliak](https://appshunter.io/developer/895008826) |

## 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


### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-hiit-workout/id1596127692)

This interval timer is designed for HIIT and interval training. Easily set work and rest periods, sets, and rounds to guide your workouts. It supports background operation and music playback, with an Apple Watch companion app for heart rate monitoring.

**Highlights:** Customizable work and rest periods, Set number of sets and rounds, Background operation support, Music playback compatibility, Apple Watch integration, Heart rate monitoring (Apple Watch)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |

**What reviewers like**

- 👍 Simple and intuitive interface
- 🚀 Efficient for workouts
- 💰 One-time purchase option
- ✨ Clean and uncluttered design
- 💪 Great for various training types

**What reviewers complain about**

- 🔇 Lack of customizable sounds
- 🚫 Ads can be intrusive
- ⚠️ App pauses when phone is locked
- 🗣️ Voice can be monotonous
- 🔄 Inconsistent sound notifications

**Reported bugs**

- App pauses when phone is locked
- Sound notifications are inconsistent
- App doesn't run in background
- Watch app not opening or syncing
- In-app purchase issues

**Requested features**

- Option for different/upbeat voice
- Ability to reorder saved timers
- Larger font size option
- Vibrate option
- Naming individual sets/exercises


## Frequently asked questions

### Is Cool Countdown free?

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

### Is Interval Timer free?

Interval Timer is free to download, with in-app purchases available.

### Which has better reviews, Cool Countdown or Interval Timer?

Interval Timer is rated higher. Cool Countdown averages 4.8 out of 5 from 4 ratings, while Interval Timer averages 4.9 from 250 ratings.

### Do Cool Countdown or Interval Timer have ads?

Interval Timer shows ads; Cool Countdown does not.

### Which is updated more often, Cool Countdown or Interval Timer?

Cool Countdown ships an update every 6 months, and Interval Timer every 2 months. Most recently, Cool Countdown was updated on November 1, 2026 and Interval Timer on November 11, 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.*