# 도들 vs ETHU

The clearest difference is update cadence: 도들 at every 6 days against ETHU's every 3 weeks. ETHU's advantage is iOS requirement (15.6 vs 18.0). 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.

도들 ships an update every 6 days, ETHU every 3 weeks. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 도들 | ETHU |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 12 MB | 115 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [MissionFingers](https://appshunter.io/developer/1546717828) | [EKONOLOGY](https://appshunter.io/developer/1832395903) |

## What reviewers say

### 도들

[App page](https://appshunter.io/ios/app/id6599424502)

This app helps runners optimize their training by providing real-time alerts for heart rate and pace. It offers various modes for different training goals, including custom workouts and pacemaker simulations, all with voice guidance that doesn't interrupt music.

**Highlights:** Heart Rate Setting Mode with Apple Watch alerts, Pace Setting Mode with vibration notifications, Pacemaker Mode with real-time distance and pace comparison, Custom Workout Mode for interval training, Voice guidance for pace and workout sessions, Works with Apple Watch Series 4 and later

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

**In-app purchases:** none


### ETHU

[App page](https://appshunter.io/ios/app/ethu/id6749837552)

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

**In-app purchases:** none


## Frequently asked questions

### Is 도들 free?

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

### Is ETHU free?

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

### Do 도들 or ETHU have ads?

Neither 도들 nor ETHU shows ads.

### Which is updated more often, 도들 or ETHU?

도들 ships an update every 6 days, and ETHU every 3 weeks. Most recently, 도들 was updated on October 14, 2026 and ETHU on October 10, 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.*