# One vs Ducala

The clearest difference is update cadence: Ducala at fortnightly against One's every 23 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

One ships an update every 23 months, Ducala fortnightly. The most recent releases landed on September 28, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | One | Ducala |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/one-tap-timer/id737441400/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 1 MB | 17 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Oleksandr Prosin](https://appshunter.io/developer/1191609404) | [Teerachart Jongkoldee](https://appshunter.io/developer/1568703635) |

## What reviewers say

### One

[App page](https://appshunter.io/ios/app/one-tap-timer/id737441400)

A straightforward countdown timer for iPhone designed for ease of use. Its intuitive interface allows you to start and manage timers with a single tap, making it a convenient tool for daily tasks. The app focuses on essential functionality without unnecessary complexity.

**Highlights:** One-tap timer start and toggle, Vivid and intuitive user interface, Ergonomic design and functionality, Convenient for everyday use

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

**In-app purchases:** none


### Ducala

[App page](https://appshunter.io/ios/app/ducala/id1568713313)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is One free?

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

### Is Ducala free?

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

### Do One or Ducala have ads?

Neither One nor Ducala shows ads.

### Which is updated more often, One or Ducala?

One ships an update every 23 months, and Ducala fortnightly. Most recently, One was updated on September 28, 2026 and Ducala on October 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*