# Interval Timer vs Yollo

The clearest difference is review sentiment: Yollo at 74% against Interval Timer's 21%. Yollo also leads on rating (5.0 vs 4.5) and update cadence (every 4 weeks vs every 3 months). Interval Timer's advantage is ratings volume (534 vs 15). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Interval Timer sells 3 in-app purchases, starting at $2.99 per month and Yollo sells 2 in-app purchases, starting at $39.99 per year. Whichever you choose, the download price is not the number that matters.

Yollo holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Interval Timer has 534 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 21% of Interval Timer's written reviews are positive against 74% of Yollo's.

Interval Timer ships an update every 3 months, Yollo every 4 weeks. The most recent releases landed on September 1, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Interval Timer | Yollo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (534 ratings)](https://appshunter.io/ios/app/interval-timer-run-and-hiit/id956283665/reviews) | **[5.0 (15 ratings)](https://appshunter.io/ios/app/yollo-interval-running-timer/id1590839504/reviews)** |
| Number of ratings | **534** | 15 |
| Positive reviews | 21.1% of reviews | **74.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 11 MB | 203 MB |
| Requires iOS | 26.0 | **14.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Roma Sosnovsky](https://appshunter.io/developer/956283664) | [Studio Y Inc.](https://appshunter.io/developer/1703721561) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-run-and-hiit/id956283665)

Organize your running and high-intensity interval training sessions with ease. Quickly set up custom time intervals for running, walking, warm-ups, and cool-downs. Receive voice and vibration notifications for interval changes, and enjoy background music playback.

**Highlights:** Intuitive design, Customizable time intervals, Warm-up and cool-down timers, Voice and vibration notifications, Background music support, Foreground/background operation

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Run Pro Monthly | $2.99 | per month |
| Interval Run Pro Annual | $19.99 | per year |
| Full Version | $2.99 | one-time |

**What reviewers like**

- 🚀 Simple and easy to use
- 👍 Customizable intervals
- 🚀 Straightforward app
- 👍 Works as advertised
- 👍 Great for getting back into running

**What reviewers complain about**

- 🔇 No audio prompts when screen is locked
- 🔋 High battery consumption
- 🔒 Limited free version
- 🐛 Inconsistent performance
- 🔇 Voice prompts not loud enough

**Reported bugs**

- Timer resets or freezes during workout
- Prompts not working when phone is locked or in pocket
- Unexpected interval changes or duration changes
- Compatibility issues with music playback

**Requested features**

- Option to pause/resume timer
- Larger time remaining display
- Apple Watch app
- Ability to play audio prompts even with screen off
- More interval options (run/walk/jog)


### 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 |


## Frequently asked questions

### Is Interval Timer free?

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

### Is Yollo free?

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

### Which has better reviews, Interval Timer or Yollo?

Yollo is rated higher. Interval Timer averages 4.5 out of 5 from 534 ratings, while Yollo averages 5.0 from 15 ratings.

### Do Interval Timer or Yollo have ads?

Neither Interval Timer nor Yollo shows ads.

### Which is updated more often, Interval Timer or Yollo?

Interval Timer ships an update every 3 months, and Yollo every 4 weeks. Most recently, Interval Timer was updated on September 1, 2026 and Yollo on September 18, 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.*