# ONE SMARTWATCH vs DTC CHALLENGE

The clearest difference is update cadence: ONE SMARTWATCH at every 2 months against DTC CHALLENGE's every 17 months. ONE SMARTWATCH also leads on iOS requirement (13 vs 15.1). 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 SMARTWATCH ships an update every 2 months, DTC CHALLENGE every 17 months. The most recent releases landed on October 19, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | ONE SMARTWATCH | DTC CHALLENGE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/one-smartwatch/id1628525280/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 17 months |
| Monetization | Ad-supported | — |
| Size | 346 MB | 91 MB |
| Requires iOS | **13** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Laser Worldwide Limited](https://appshunter.io/developer/1628525282) | [NUNO MESQUITA ALMEIDA, UNIPESSOAL, LDA](https://appshunter.io/developer/1761681379) |

## What reviewers say

### ONE SMARTWATCH

[App page](https://appshunter.io/ios/app/one-smartwatch/id1628525280)

This app syncs with a smartwatch to track daily health metrics like steps, calories, sleep, heart rate, blood pressure, and blood oxygen. It also manages notifications, reminders, and offers remote control features for music and camera. Users can access weather updates, set alarms, and download watch faces.

**Highlights:** Syncs daily activity and sleep data, Monitors heart rate, blood pressure, and blood oxygen, Manages watch notifications and reminders, Remote control for music and phone camera, Weather updates and alarm settings, Downloadable watch faces, Apple Health App integration

**In-app purchases:** none


### DTC CHALLENGE

[App page](https://appshunter.io/ios/app/dtc-challenge/id6618111718)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ONE SMARTWATCH free?

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

### Is DTC CHALLENGE free?

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

### Do ONE SMARTWATCH or DTC CHALLENGE have ads?

Both ONE SMARTWATCH and DTC CHALLENGE show ads.

### Which is updated more often, ONE SMARTWATCH or DTC CHALLENGE?

ONE SMARTWATCH ships an update every 2 months, and DTC CHALLENGE every 17 months. Most recently, ONE SMARTWATCH was updated on October 19, 2026 and DTC CHALLENGE on September 19, 2026.

---

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