# Tacx Training™ vs Just The Watts

The clearest difference is rating: Tacx Training™ at 4.6 against Just The Watts's 3.0. Tacx Training™ also leads on in-app purchases (none vs 1) and ratings volume (16K vs 2). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. Just The Watts sells 1 in-app purchase, starting at $4.99 per month. Tacx Training™ asks for nothing beyond the download.

Tacx Training™ holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: Tacx Training™ has 16K ratings behind it against 2, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 27, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Tacx Training™ | Just The Watts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (16K ratings)](https://appshunter.io/ios/app/tacx-training/id892366151/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/just-the-watts/id1671012882/reviews) |
| Number of ratings | **16K** | 2 |
| Positive reviews | 41.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Freemium | Free with in-app purchases |
| Size | 363 MB | 14 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Garmin](https://appshunter.io/developer/411046952) | [Zachary Bell](https://appshunter.io/developer/1671012884) |

## What reviewers say

### Tacx Training™

[App page](https://appshunter.io/ios/app/tacx-training/id892366151)

Transform indoor cycling into immersive outdoor experiences. Connect to a smart trainer to simulate real-world terrain and track performance data. Enjoy virtual rides, challenges, and sync with other devices for comprehensive training.

**Highlights:** Simulate real-world climbs and descents, Real-time speed, power, and cadence data, Automatic trainer resistance adjustment, Syncs with Garmin Connect and Coach, Virtual GroupRides and challenges, Access to 500+ video routes (Premium)

**In-app purchases:** none

**What reviewers like**

- 🚀 Great workout software
- 🚀 Excellent video quality and variety
- 🚀 Seamless integration with Garmin
- 👍 Easy to use
- 👍 Realistic riding experience

**What reviewers complain about**

- 🐛 Frequent connection issues
- 🐛 Buggy and unreliable app
- 🐛 Crashes during rides
- 🐛 Data loss and syncing problems
- 🔒 Poor customer support

**Reported bugs**

- Inconsistent power and speed readings
- Inability to resume paused rides
- Connectivity issues with Bluetooth sensors
- Calibration problems with trainers
- Compatibility issues with older devices

**Requested features**

- Ability to download videos for offline use
- More detailed performance analytics
- Integration with other fitness apps (e.g. Apple Health)
- Better customization options for data screens
- Audio cues and prompts during workouts


### Just The Watts

[App page](https://appshunter.io/ios/app/just-the-watts/id1671012882)

This cycling app connects to your Bluetooth sensors for real-time indoor training data. Follow structured workouts or create your own, with virtual power options available. It offers a clean interface focused on your ride, without subscriptions or ads.

**Highlights:** Bluetooth sensor pairing, Real-time training data, FTP-based intervals, Custom workout creation, Virtual power option, Clean, focused interface

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per month |


## Frequently asked questions

### Is Tacx Training™ free?

Tacx Training™ is free to download, with no in-app purchases.

### Is Just The Watts free?

Just The Watts is free to download, with in-app purchases available.

### Which has better reviews, Tacx Training™ or Just The Watts?

Tacx Training™ is rated higher. Tacx Training™ averages 4.6 out of 5 from 16K ratings, while Just The Watts averages 3.0 from 2 ratings.

### Do Tacx Training™ or Just The Watts have ads?

Neither Tacx Training™ nor Just The Watts shows ads.

### Which is updated more often, Tacx Training™ or Just The Watts?

Tacx Training™ ships an update every 3 weeks, and Just The Watts every 3 weeks. Most recently, Tacx Training™ was updated on October 27, 2026 and Just The Watts on September 29, 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.*