# Boost VO2 vs Intervalla

Boost VO2 and Intervalla are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Boost VO2 ships an update every 2 weeks, Intervalla every 3 weeks. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Boost VO2 | Intervalla |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/boost-vo2-norwegian-4x4/id6748565289/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free | — |
| Size | 38 MB | 3 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Derinbogaz Ventures](https://appshunter.io/developer/1823779408) | [LJOSNING AS](https://appshunter.io/developer/1831022124) |

## What reviewers say

### Boost VO2

[App page](https://appshunter.io/ios/app/boost-vo2-norwegian-4x4/id6748565289)

Improve your running performance and VO2 max with the scientifically proven Norwegian 4x4 interval training method. This app offers personalized plans, guided workouts with audio cues, and automatic phase transitions to help you achieve better aerobic fitness.

**Highlights:** Norwegian 4x4 interval training, Personalized training plans, Guided audio coaching, Automatic phase transitions, Estimated VO2 max improvements, Customizable workouts

**Features:** macOS Compatibility

**In-app purchases:** none


### Intervalla

[App page](https://appshunter.io/ios/app/intervalla/id6760928874)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Boost VO2 free?

Boost VO2 is free to download, with no in-app purchases.

### Is Intervalla free?

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

### Do Boost VO2 or Intervalla have ads?

Neither Boost VO2 nor Intervalla shows ads.

### Which is updated more often, Boost VO2 or Intervalla?

Boost VO2 ships an update every 2 weeks, and Intervalla every 3 weeks. Most recently, Boost VO2 was updated on October 28, 2026 and Intervalla on October 25, 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.*