Relentless: Mental Toughness

Relentless: Mental Toughness

Mental training for athletes

31 ratings
10 reviews
Free
In-App Purchases

Details

  • Released
  • Updated
  • May 11, 2026
  • August 6, 2026

Features

Relentless: Mental Toughness screenshot #1 for iPhone
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Relentless: Mental Toughness screenshot #6 for iPhone
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About

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.

MAC framework for mental training
Guided lessons from professionals
Built-in journaling
Consistency trackers
Competition-focused profile
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What's New in Relentless

2.1.0

August 6, 2026

Relentless helps athletes train the mental side of performance. Backed by sports psychology, our short daily lessons help you build confidence, handle pressure, stay focused, and show up stronger when it matters. Creator codes added! Analytics, paywall, and general bug fixes added as well

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Subscription plans

Relentless Premium Annual

Annual access to Relentless Premium mental training.

$39.991 Year
7 Days trial
How to cancel Relentless subscription ⁉️

User reviews

Really helpful athletic focus

I thought this would be a lot like headspace which was just general meditation which I did for a year straight but it’s much more beneficial because of the athletic focus. It’s a very high quality app too. I wasn’t sure what to expect but I’m thoroughly satisfied.

Building brick by brick

I feel like I’m actually getting mentally stronger and excited to see how this plays out

Copy & Paste

Copy and Pasted version of the wellness app model you’ve seen a dozen times: Fill out a brief questionnaire, gives you your current stats vs. your potential, a little commit to improvement button, followed by a subscription paywall. Don’t waste your money on this vibe coded app built around a recycled model.
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Response from developer

We hear you, and we appreciate the honesty. Relentless is built on the MAC framework, the most research-backed mental performance system for athletes specifically. Every lesson is written and narrated by a certified mental performance coach from their real experience. This isn’t generic wellness AI content, it’s structured training. If the onboarding didn’t make that clear, that’s on us to fix. We appreciate you bringing this to our attention.

4:58 mile PR

Relentless is amazing. For two seasons I haven’t been able to crack sub 5, but after beta testing Relentless for 6 weeks, I finally hit this PR

Highly recommend for those struggling with motivation.

As a recent Ironman finisher, building metal toughness and motivation were some of the hardest parts of my long preparation period. I’ve found this app very easy to use and super beneficial for increasing my enjoyment of workouts and daily motivation. I would highly recommend this app to anyone training in a high intensity environment.
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FAQ

What is the MAC framework used in Relentless?

The MAC framework stands for Mindfulness, Acceptance, and Commitment. It's a studied approach designed to help athletes notice their thoughts and emotions, accept negative ones without spiraling, and commit to directing their thoughts for optimal performance.

Does Relentless offer a free trial?

Yes, Relentless offers free trials for its subscription plans. The monthly plan includes a 3-day free trial, and the annual plan includes a 7-day free trial. Pricing and trial eligibility may vary by region.

How can I cancel my Relentless subscription?

Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. You can manage or cancel your subscription in your device's Settings under Apple ID → Subscriptions.

What kind of content does Relentless offer?

Relentless provides a 'Workout of the Day' guided by a mental training professional, a full library of lessons covering the MAC framework, and a built-in journal to track your mentality surrounding competitions.

Is Relentless suitable for all athletes?

Relentless is designed for competitive athletes. It's a training tool and not a substitute for professional medical or mental health care. If you are in crisis, contact local emergency services or a qualified professional.

What devices does Relentless support?

Relentless is available on iPhone and iPod devices. It has an age rating of 4+.

How often is Relentless updated?

The latest version of Relentless is 1.8.1, and it was last updated on June 14, 2026. This indicates a relatively recent update frequency.

What is the user rating for Relentless?

Relentless has a strong user rating of 4.4 stars based on 22 ratings, suggesting positive user sentiment regarding its effectiveness.