# Countdown Timer vs CLEPSYDRA

The clearest difference is price: Countdown Timer at Free against CLEPSYDRA's $2.99. CLEPSYDRA's advantage is in-app purchases (none vs 3) and update cadence (every 2 days vs weekly). On ads, device support and iOS requirement there is nothing between them.

Countdown Timer is free to download; CLEPSYDRA costs $2.99 up front. Countdown Timer sells 3 in-app purchases, starting at $3.99 per month. CLEPSYDRA asks for nothing beyond the download.

Countdown Timer ships an update weekly, CLEPSYDRA every 2 days. The most recent releases landed on September 26, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Countdown Timer | CLEPSYDRA |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Size | 71 MB | 21 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Denys Koshman](https://appshunter.io/developer/1864985254) | [Michal Juraszek](https://appshunter.io/developer/6792477824) |

## 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 |


### CLEPSYDRA

[App page](https://appshunter.io/ios/app/clepsydra-sequential-timer/id6792477822)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Countdown Timer free?

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

### Is CLEPSYDRA free?

CLEPSYDRA costs $2.99, with no in-app purchases.

### Do Countdown Timer or CLEPSYDRA have ads?

Neither Countdown Timer nor CLEPSYDRA shows ads.

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

Countdown Timer ships an update weekly, and CLEPSYDRA every 2 days. Most recently, Countdown Timer was updated on September 26, 2026 and CLEPSYDRA on October 1, 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.*