# Intervals vs Virtual Backyard Ultra

The clearest difference is in-app purchases: Virtual Backyard Ultra at none against Intervals's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Intervals sells 2 in-app purchases, starting at $2.99 per month. Virtual Backyard Ultra asks for nothing beyond the download.

Intervals ships an update every 11 days, Virtual Backyard Ultra every 6 days. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Intervals | Virtual Backyard Ultra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/intervals-the-training-timer/id6736897379/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 6 days** |
| Monetization | Freemium | — |
| Size | 47 MB | 14 MB |
| Requires iOS | 18 | 18.0 |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Christoph Gogolin](https://appshunter.io/developer/511901280) | [Cow Cow Technologies LLC](https://appshunter.io/developer/924502488) |

## What reviewers say

### Intervals

[App page](https://appshunter.io/ios/app/intervals-the-training-timer/id6736897379)

This app provides a versatile interval timer for various training styles like HIIT and Tabata, integrating seamlessly with Apple Watch and iPhone. It offers detailed workout tracking, custom workout creation, and performance analytics to help users achieve their fitness goals.

**Highlights:** Real-time workout tracking on Apple Watch, Customizable workout editor, Training Impulse and heart rate zone analysis, Game Center integration for leaderboards, Weekly progress challenges, Apple Health integration

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Pro features (monthly) | $2.99 | per month |
| All Pro features (yearly) | $12.99 | per year |


### Virtual Backyard Ultra

[App page](https://appshunter.io/ios/app/virtual-backyard-ultra/id6782910631)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Intervals free?

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

### Is Virtual Backyard Ultra free?

Virtual Backyard Ultra is free to download, with no in-app purchases.

### Do Intervals or Virtual Backyard Ultra have ads?

Neither Intervals nor Virtual Backyard Ultra shows ads.

### Which is updated more often, Intervals or Virtual Backyard Ultra?

Intervals ships an update every 11 days, and Virtual Backyard Ultra every 6 days. Most recently, Intervals was updated on October 10, 2026 and Virtual Backyard Ultra on October 7, 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.*