# Countdown Timer vs CalmCatch

The clearest difference is update cadence: Countdown Timer at weekly against CalmCatch's fortnightly. Countdown Timer also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Countdown Timer sells 3 in-app purchases, starting at $3.99 per month and CalmCatch sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Countdown Timer ships an update weekly, CalmCatch fortnightly. The most recent releases landed on September 9, 2026 and August 5, 2026 respectively.

## The numbers

| Metric | Countdown Timer | CalmCatch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calmcatch-adhd-planner/id6783648659/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 71 MB | 6 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Denys Koshman](https://appshunter.io/developer/1864985254) | [敏 刘](https://appshunter.io/developer/6783576055) |

## What reviewers say

### Countdown Timer

[App page](https://appshunter.io/ios/app/countdown-timer-onedial/id6759490627)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OneDial Pro Monthly | $3.99 | per month |
| OneDial Pro Yearly | $29.99 | per year |
| OneDial Pro Lifetime | $59.99 | one-time |


### CalmCatch

[App page](https://appshunter.io/ios/app/calmcatch-adhd-planner/id6783648659)

This app helps manage overwhelming thoughts and tasks with a simple capture-first approach. It transforms scattered ideas into actionable tasks, scheduled events, and organized notes, making it easier to manage ADHD-style planning.

**Highlights:** Brain dump for messy thoughts, Task overload management, Capture first, organize later workflow, Separates thoughts into tasks, events, notes, ADHD-style planning support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calm Catch Pro Month | $7.99 | per month |
| Calm Catch Pro Year | $49.99 | per year |


## Frequently asked questions

### Is Countdown Timer free?

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

### Is CalmCatch free?

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

### Do Countdown Timer or CalmCatch have ads?

Neither Countdown Timer nor CalmCatch shows ads.

### Which is updated more often, Countdown Timer or CalmCatch?

Countdown Timer ships an update weekly, and CalmCatch fortnightly. Most recently, Countdown Timer was updated on September 9, 2026 and CalmCatch on August 5, 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.*