# Relentless Trainer vs 42Runs

The clearest difference is update cadence: 42Runs at daily against Relentless Trainer's every 3 days. Relentless Trainer's advantage is iOS requirement (16.6 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Relentless Trainer sells 9 in-app purchases, starting at $9.99 per month and 42Runs sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Relentless Trainer ships an update every 3 days, 42Runs daily. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Relentless Trainer | 42Runs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (15 ratings)](https://appshunter.io/ios/app/relentless-trainer/id1630725830/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 223 MB | 23 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Relentless Method AB](https://appshunter.io/developer/1091241290) | [42Endurance](https://appshunter.io/developer/1787929253) |

## What reviewers say

### Relentless Trainer

[App page](https://appshunter.io/ios/app/relentless-trainer/id1630725830)

This AI-powered coach creates daily personalized workouts for various fitness disciplines, adapting to your current state and history. It offers nutrition plans, extensive exercise libraries with videos, and flexible training options. Track progress and integrate with health apps and smart devices for a comprehensive fitness experience.

**Highlights:** AI-powered personalized workouts, Nutrition program, 1200+ exercises with videos, Flexible training options, Integration with health apps, Specialized training tracks

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dash Monthly Subscription | $9.99 | per month |
| Core Monthly Subscription | $17.99 | per month |
| Monthly | $23.99 | per month |
| Dash Quarterly Subscription | $23.99 | per 3 months |
| Core Quarterly Subscription | $44.99 | per 3 months |
| Quarterly | $59.99 | per 3 months |
| Dash Yearly Subscription | $79.99 | per year |
| Core Yearly Subscription | $149.99 | per year |
| Yearly | $195.99 | per year |


### 42Runs

[App page](https://appshunter.io/ios/app/42runs/id6807756399)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 42Runs Pro Founding Monthly | $3.99 | per month |
| 42Runs Pro Founding Yearly | $39.99 | per year |


## Frequently asked questions

### Is Relentless Trainer free?

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

### Is 42Runs free?

42Runs is free to download, with in-app purchases available.

### Do Relentless Trainer or 42Runs have ads?

Neither Relentless Trainer nor 42Runs shows ads.

### Which is updated more often, Relentless Trainer or 42Runs?

Relentless Trainer ships an update every 3 days, and 42Runs daily. Most recently, Relentless Trainer was updated on October 11, 2026 and 42Runs on October 15, 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.*