# 4321 Timer vs OCD Countdown

The clearest difference is in-app purchases: 4321 Timer at none against OCD Countdown's 1. 4321 Timer also leads on iOS requirement (13.0 vs 16.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. OCD Countdown sells 1 in-app purchase, starting at $4.99 per year. 4321 Timer asks for nothing beyond the download.

4321 Timer ships an update every 3 weeks, OCD Countdown every 2 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | 4321 Timer | OCD Countdown |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ocd-countdown/id6763400891/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 35 MB | 15 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Questwork Consulting Limited](https://appshunter.io/developer/881254999) | [Christian Andrade](https://appshunter.io/developer/1895280479) |

## What reviewers say

### 4321 Timer

[App page](https://appshunter.io/ios/app/4321-timer/id6757214065)

**Features:** Vision Pro support

**In-app purchases:** none


### OCD Countdown

[App page](https://appshunter.io/ios/app/ocd-countdown/id6763400891)

This app calculates the duration until a specific end time, eliminating manual time math. Set multiple countdowns for various daily activities and track them easily. Receive alerts via system alarms, spoken updates, or Live Activities.

**Highlights:** Countdown to exact end time, Multiple countdown tracking, Live Activities support, System alarms and spoken updates, Apple Watch app integration, Customizable sounds

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quicky Plus Annual | $4.99 | per year |


## Frequently asked questions

### Is 4321 Timer free?

4321 Timer is free to download, with no in-app purchases.

### Is OCD Countdown free?

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

### Do 4321 Timer or OCD Countdown have ads?

Neither 4321 Timer nor OCD Countdown shows ads.

### Which is updated more often, 4321 Timer or OCD Countdown?

4321 Timer ships an update every 3 weeks, and OCD Countdown every 2 weeks. Most recently, 4321 Timer was updated on October 25, 2026 and OCD Countdown on October 25, 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.*