Comparison

Mettle vs Pro Training US

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Mettle

This app transforms your real-world steps into in-game attacks against monsters. Team up with friends to battle foes, level up your heroes, and conquer weekly challenges. Walk more to strengthen your squad and climb the leaderboards.

Highlights
  • Steps deal damage to monsters
  • Squad-based cooperative play
  • Weekly expeditions and world raids
  • Hero collection and evolution
  • Leaderboard rankings
  • Apple Health integration
Features
Read full description

Mettle is a free walking game where your steps are your weapon. Join a squad with your friends, take on monsters together, and level up as a team. Every real-world step you take deals damage, and every monster you defeat earns coins to recruit new heroes, like the mage, swordsman, archer and bard. Walk more, and your heroes level up and hit harder. How it works: - Pick your starting hero. When you walk in real life, your hero deals damage to monsters. - Join or create a squad and fight side by side with friends, wherever they are. - Take on a weekly expedition: a new monster every day and a boss every Sunday. - Go on hunts: forays and bounties with 47+ monsters, solo or with your squad. - Level up your squad to unlock emblems, banners, more members and tougher monsters. - Join the Weekly World Raid, where every player fights one giant boss together. - Add friends and challenge them to step duels. - Steps sync from Apple Health and hit the monster automatically, even while the app is closed. - Collect heroes across 24 lines, feed them XP from your walking, and evolve them into rarer forms. - Climb the leaderboard for today, this week, this month and all time. - No ads. Just you, your friends and a lot of walking! Note from the creator: Hey, I’m Daniel, and I built Mettle to motivate my family and friends to walk more and stay active. The first week of testing was a complete success. Everyone was hooked and genuinely making an effort to walk more to defeat the monsters together, level up their heroes, and climb the leaderboard. I designed and built Mettle entirely on my own. My goal now is to share it with any group that wants to stay active together. Happy walking!

About

Pro Training US

This app allows members of a fitness program to book classes, register for gym events, and manage their accounts. Users can update personal information, such as profile pictures and payment details.

Highlights
  • Reserve class spots
  • Sign up for gym events
  • Update profile pictures
  • Manage payment information
  • General account management
Features
Read full description

For members of Pro Training to reserve their place in a class, sign up for gym events, and general account management like updating headshots and credit card on file.

Screenshots

Mettle4 screens
Pro Training US4 screens

Verdict

The call

The clearest difference is rating: Pro Training US at 5.0 against Mettle's 4.7. Pro Training US also leads on device support (3 vs 1) and iOS requirement (15 vs 17.0). Mettle's advantage is update cadence (every 2 days vs weekly) and ratings volume (29 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Pro Training US holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Mettle has 29 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Mettle ships an update every 2 days, Pro Training US weekly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 5 level
Mettle versus Pro Training US: the parameters behind the verdict, then further details
ParameterMettlePro Training US
PriceFreeFree
Rating4.7 (29 ratings)5.0 (1 ratings) — better
Positive reviews76.9% of reviews—
Number of ratings29 — better1
Update frequencyEvery 2 days — betterWeekly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.015 — better
Further details — not scored
Size161 MB93 MB
Age rating4+4+
DeveloperDaniel ChungPushPress, Inc.

Customer experience

Mettle

All ratings29 ratings
Positive89.7%
Neutral6.9%
Negative3.4%
Written reviews13 reviews
Positive76.9%
Neutral15.4%
Negative7.7%

Pro Training US

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Mettle

No in-app purchases

None

Pro Training US

No in-app purchases

Questions

Is Mettle free?
Mettle is free to download, with no in-app purchases.
Is Pro Training US free?
Pro Training US is free to download, with no in-app purchases.
Which has better reviews, Mettle or Pro Training US?
Pro Training US is rated higher. Mettle averages 4.7 out of 5 from 29 ratings, while Pro Training US averages 5.0 from 1 ratings.
Do Mettle or Pro Training US have ads?
Neither Mettle nor Pro Training US shows ads.
Which is updated more often, Mettle or Pro Training US?
Mettle ships an update every 2 days, and Pro Training US weekly. Most recently, Mettle was updated on November 1, 2026 and Pro Training US on October 31, 2026.

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