# VO2 Max Training vs Attention Training

The clearest difference is price: VO2 Max Training at Free against Attention Training's $1.99. VO2 Max Training also leads on update cadence (every 5 days vs every 3 weeks) and ratings volume (7 vs 1). Attention Training's advantage is in-app purchases (none vs 6) and rating (5.0 vs 4.6). On review sentiment, ads and device support there is nothing between them.

VO2 Max Training is free to download; Attention Training costs $1.99 up front. VO2 Max Training sells 6 in-app purchases, starting at $0.99 per month. Attention Training asks for nothing beyond the download.

Attention Training holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: VO2 Max Training has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

VO2 Max Training ships an update every 5 days, Attention Training every 3 weeks. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | VO2 Max Training | Attention Training |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.6 (7 ratings)](https://appshunter.io/ios/app/vo2-max-training-peakvo2/id6532617265/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/attention-training-att-timer/id6764853617/reviews)** |
| Number of ratings | **7** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 16 MB | 37 MB |
| Requires iOS | **18.0** | 26.4 |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Cristian Serb](https://appshunter.io/developer/294833680) | [James Edwards](https://appshunter.io/developer/1895937292) |

## What reviewers say

### VO2 Max Training

[App page](https://appshunter.io/ios/app/vo2-max-training-peakvo2/id6532617265)

This app provides science-backed interval training protocols to improve cardiovascular fitness and long-term health. It guides users through warm-ups, work intervals, and cool-downs with customizable timers and activity tracking.

**Highlights:** Science-backed interval protocols (Norwegian 4x4, Tabata, HIIT), Color-coded workout timer with phase transitions, Activity tracking with streaks and progress, Supports running, cycling, rowing, and indoor cardio, Fitness age estimation

**Features:** Apple Watch app

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited | $0.99 | per month |
| Unlimited | $3.99 | per month |
| Unlimited | $4.99 | per 3 months |
| Unlimited | $8.99 | per year |
| Unlimited | $11.99 | per 6 months |
| Lifetime | $17.99 | one-time |


### Attention Training

[App page](https://appshunter.io/ios/app/attention-training-att-timer/id6764853617)

This app offers guided exercises based on the Attention Training Technique to help you develop greater control over your focus. It aims to reduce rumination and overthinking by strengthening attentional flexibility. Regular practice can lead to improved concentration and intentional attention direction.

**Highlights:** Attention Training Technique (ATT) exercises, Guided focus training, Develop attentional flexibility, Reduce rumination and overthinking, Improve concentration, Direct attention intentionally

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VO2 Max Training free?

VO2 Max Training is free to download, with in-app purchases available.

### Is Attention Training free?

Attention Training costs $1.99, with no in-app purchases.

### Which has better reviews, VO2 Max Training or Attention Training?

Attention Training is rated higher. VO2 Max Training averages 4.6 out of 5 from 7 ratings, while Attention Training averages 5.0 from 1 ratings.

### Do VO2 Max Training or Attention Training have ads?

Neither VO2 Max Training nor Attention Training shows ads.

### Which is updated more often, VO2 Max Training or Attention Training?

VO2 Max Training ships an update every 5 days, and Attention Training every 3 weeks. Most recently, VO2 Max Training was updated on November 8, 2026 and Attention Training on October 31, 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.*