# Relentless vs FuelPlan

The clearest difference is in-app purchases: FuelPlan at none against Relentless's 4. FuelPlan also leads on ads (none vs shown). Relentless's advantage is iOS requirement (15.1 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Relentless sells 4 in-app purchases, starting at $4.99 per month. FuelPlan asks for nothing beyond the download.

Relentless ships an update every 10 days, FuelPlan every 3 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Relentless | FuelPlan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (85 ratings)](https://appshunter.io/ios/app/relentless-mental-toughness/id6762413686/reviews)** | — |
| Number of ratings | **85** | — |
| Positive reviews | 93.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 59 MB | 7 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Relentless App LLC](https://appshunter.io/developer/1894082754) | [Christian Heggland](https://appshunter.io/developer/6796487929) |

## What reviewers say

### Relentless

[App page](https://appshunter.io/ios/app/relentless-mental-toughness/id6762413686)

This app offers a structured mental training framework for athletes to enhance performance. It uses a studied approach to help athletes manage thoughts and emotions, leading to more consistent results in competitions.

**Highlights:** MAC framework for mental training, Guided lessons from professionals, Built-in journaling, Consistency trackers, Competition-focused profile

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Relentless Premium Monthly | $4.99 | per month |
| Relentless Monthly Subscription | $7.99 | per month |
| Relentless Premium Annual | $39.99 | per year |
| Relentless Annual Subscription | $59.99 | per year |


### FuelPlan

[App page](https://appshunter.io/ios/app/fuelplan-endurance-fuel/id6796487927)

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

**In-app purchases:** none


## Frequently asked questions

### Is Relentless free?

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

### Is FuelPlan free?

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

### Do Relentless or FuelPlan have ads?

Relentless shows ads; FuelPlan does not.

### Which is updated more often, Relentless or FuelPlan?

Relentless ships an update every 10 days, and FuelPlan every 3 weeks. Most recently, Relentless was updated on October 31, 2026 and FuelPlan on October 31, 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.*