# Yollo vs 하티하티

The clearest difference is in-app purchases: 하티하티 at none against Yollo's 2. 하티하티 also leads on update cadence (every 3 days vs every 4 weeks) and iOS requirement (12.4 vs 14.0). On price, ads and device support there is nothing between them.

Both are free to download. Yollo sells 2 in-app purchases, starting at $39.99 per year. 하티하티 asks for nothing beyond the download.

Yollo ships an update every 4 weeks, 하티하티 every 3 days. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Yollo | 하티하티 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (15 ratings)](https://appshunter.io/ios/app/yollo-interval-running-timer/id1590839504/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 74.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 203 MB | 61 MB |
| Requires iOS | 14.0 | **12.4** |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Studio Y Inc.](https://appshunter.io/developer/1703721561) | [에픽로그](https://appshunter.io/developer/1669645880) |

## What reviewers say

### Yollo

[App page](https://appshunter.io/ios/app/yollo-interval-running-timer/id1590839504)

This app helps you create custom interval running routines with adjustable voice guidance. It also features social connections, appointment scheduling for runs, and integration with health data.

**Highlights:** Customizable interval running courses, Adjustable voice guidance frequency, Music playback without interruption, Run appointment scheduling, Follow nearby runners, Direct messaging with connections

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Subscription | $39.99 | per year |
| Coach | $1.99 | one-time |


### 하티하티

[App page](https://appshunter.io/ios/app/id6742182489)

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

**In-app purchases:** none


## Frequently asked questions

### Is Yollo free?

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

### Is 하티하티 free?

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

### Do Yollo or 하티하티 have ads?

Neither Yollo nor 하티하티 shows ads.

### Which is updated more often, Yollo or 하티하티?

Yollo ships an update every 4 weeks, and 하티하티 every 3 days. Most recently, Yollo was updated on October 16, 2026 and 하티하티 on October 10, 2026.

---

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