# TensionRadar vs The Training Notebook One

The clearest difference is rating: TensionRadar at 5.0 against The Training Notebook One's 4.0. The Training Notebook One's advantage is update cadence (daily vs every 5 days) and ratings volume (9 vs 1). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. TensionRadar sells 1 one-off in-app purchase and The Training Notebook One sells 6 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

TensionRadar holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: The Training Notebook One has 9 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.

TensionRadar ships an update every 5 days, The Training Notebook One daily. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | TensionRadar | The Training Notebook One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tensionradar/id6753273426/reviews)** | [4.0 (9 ratings)](https://appshunter.io/ios/app/the-training-notebook-one/id6797359285/reviews) |
| Number of ratings | 1 | **9** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Daily** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 42 MB | 44 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chen He](https://appshunter.io/developer/1843281784) | [The Training Notebook, Inc.](https://appshunter.io/developer/505906868) |

## What reviewers say

### TensionRadar

[App page](https://appshunter.io/ios/app/tensionradar/id6753273426)

This app analyzes your Apple Watch heart data to provide a wellness score based on HRV and heart rate. Explore historical trends, engage in guided breathing exercises, and track your progress with customizable widgets. It's a wellness tool, not a medical device.

**Highlights:** HRV and heart rate wellness score, Personalized historical comparisons, Guided breathing exercises, Daily HRV and resting heart rate tracking, Apple Watch app and complications, Customizable widgets

**Features:** Family Sharing, Apple Watch app, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Character Pack | $0.99 | one-time |


### The Training Notebook One

[App page](https://appshunter.io/ios/app/the-training-notebook-one/id6797359285)

This app helps personal trainers manage client workouts, track progress, and organize notes. It allows clients to view their workouts and log check-ins. Features include building workouts quickly, progress photos, and detailed exercise history.

**Highlights:** Build workouts and programs quickly, Client logins for workout access, Progress photos with comparison, Body weight and body fat graphs, Exercise history and personal records, Client intake forms via email

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Monthly | $19.99 | per month |
| Growth Monthly | $39.99 | per month |
| Pro Monthly | $69.99 | per month |
| Starter Annual | $199.99 | per year |
| Growth Annual | $399.99 | per year |
| Pro Annual | $699.99 | per year |


## Frequently asked questions

### Is TensionRadar free?

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

### Is The Training Notebook One free?

The Training Notebook One is free to download, with in-app purchases available.

### Which has better reviews, TensionRadar or The Training Notebook One?

TensionRadar is rated higher. TensionRadar averages 5.0 out of 5 from 1 ratings, while The Training Notebook One averages 4.0 from 9 ratings.

### Do TensionRadar or The Training Notebook One have ads?

Neither TensionRadar nor The Training Notebook One shows ads.

### Which is updated more often, TensionRadar or The Training Notebook One?

TensionRadar ships an update every 5 days, and The Training Notebook One daily. Most recently, TensionRadar was updated on November 3, 2026 and The Training Notebook One on November 6, 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.*