# RELENTLESS Online Coaching vs Interval Trainer

The clearest difference is in-app purchases: Interval Trainer at none against RELENTLESS Online Coaching's 1. RELENTLESS Online Coaching's advantage is update cadence (every 5 weeks vs every 15 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. RELENTLESS Online Coaching sells 1 in-app purchase, starting at $300.00 per month. Interval Trainer asks for nothing beyond the download.

RELENTLESS Online Coaching ships an update every 5 weeks, Interval Trainer every 15 months. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | RELENTLESS Online Coaching | Interval Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/relentless-online-coaching/id6451071527/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 15 months |
| Monetization | Free with in-app purchases | — |
| Size | 50 MB | 40 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [HYBRID MMA & FITNESS LLC](https://appshunter.io/developer/1696456462) | [Luke Taylor](https://appshunter.io/developer/1609194513) |

## What reviewers say

### RELENTLESS Online Coaching

[App page](https://appshunter.io/ios/app/relentless-online-coaching/id6451071527)

This app provides elite online coaching for busy professionals and former athletes seeking structure, accountability, and real fitness and nutrition results. Access world-class coaches who customize programs to your lifestyle and goals, all through a high-performance system.

**Highlights:** Elite online coaching, Personalized fitness programs, Customized nutrition plans, Direct coach access, Accountability features, Lifestyle integration

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Coaching | $300.00 | per month |


### Interval Trainer

[App page](https://appshunter.io/ios/app/interval-trainer/id6477546684)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RELENTLESS Online Coaching free?

RELENTLESS Online Coaching is free to download, with in-app purchases available.

### Is Interval Trainer free?

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

### Do RELENTLESS Online Coaching or Interval Trainer have ads?

Neither RELENTLESS Online Coaching nor Interval Trainer shows ads.

### Which is updated more often, RELENTLESS Online Coaching or Interval Trainer?

RELENTLESS Online Coaching ships an update every 5 weeks, and Interval Trainer every 15 months. Most recently, RELENTLESS Online Coaching was updated on October 10, 2026 and Interval Trainer on October 14, 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.*