# Tacx Training™ vs Challenger Indoor

The clearest difference is in-app purchases: Tacx Training™ at none against Challenger Indoor's 1. Challenger Indoor's advantage is update cadence (weekly vs every 3 weeks) and iOS requirement (13.4 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Challenger Indoor sells 1 in-app purchase, starting at $8.99 per month. Tacx Training™ asks for nothing beyond the download.

Tacx Training™ ships an update every 3 weeks, Challenger Indoor weekly. The most recent releases landed on November 2, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Tacx Training™ | Challenger Indoor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (16K ratings)](https://appshunter.io/ios/app/tacx-training/id892366151/reviews)** | — |
| Number of ratings | **16K** | — |
| Positive reviews | 41.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Freemium | — |
| Size | 363 MB | 197 MB |
| Requires iOS | 16.0 | **13.4** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Garmin](https://appshunter.io/developer/411046952) | [Challenger](https://appshunter.io/developer/1448349563) |

## 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


### Challenger Indoor

[App page](https://appshunter.io/ios/app/challenger-indoor/id1488592514)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Subscription | $8.99 | per month |


## Frequently asked questions

### Is Tacx Training™ free?

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

### Is Challenger Indoor free?

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

### Do Tacx Training™ or Challenger Indoor have ads?

Neither Tacx Training™ nor Challenger Indoor shows ads.

### Which is updated more often, Tacx Training™ or Challenger Indoor?

Tacx Training™ ships an update every 3 weeks, and Challenger Indoor weekly. Most recently, Tacx Training™ was updated on November 2, 2026 and Challenger Indoor on October 26, 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.*