Passion Iron vs Cardio Conversion
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Passion Iron
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With the PASSION IRON app you can have all our services just a tap away! Your training card, your food plan, your functional recovery sessions, the chat with your Trainer specialized in the PASSION IRON METHOD: THE METHOD FOR IMPROVEMENT. What are you waiting for?! Join the Team!
Cardio Conversion
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Cardio Conversion instantly converts workout distances between gym equipment. When your workout calls for 400m run but you only have a rower, CardioConversion tells you exactly how many meters to row for equivalent effort. FEATURES ā¢ Convert between running, rowing, skiing, biking, and more ā¢ See calories burned for male and female athletes ā¢ Quick presets for common distances (400m, 800m, 1600m, 5000m) ā¢ Dark mode support ā¢ Works offline - no internet required PREMIUM FEATURES ā¢ Unlock additional equipment: burpees, pull-ups, wall balls, and more ā¢ Customize conversion ratios to match your fitness level ā¢ Reorder equipment tiles to match your preferences ā¢ Ad-free experience Perfect for CrossFit, functional fitness, and HYROX training. EQUIPMENT SUPPORTED Free: Outdoor Run, Row Erg, Echo Bike, Assault Bike Premium: AirRunner, Ski Erg, Bike Erg, Burpees, Pull-ups, Wall Balls, Double Unders, Box Jumps, Air Squats, Kettlebell Swings
Screenshots
Verdict
The clearest difference is in-app purchases: Passion Iron at none against Cardio Conversion's 1. Cardio Conversion's advantage is update cadence (weekly vs monthly). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Cardio Conversion sells 1 one-off in-app purchase. Passion Iron asks for nothing beyond the download.
Passion Iron ships an update monthly, Cardio Conversion weekly. The most recent releases landed on October 17, 2026 and October 6, 2026 respectively.
| Parameter | Passion Iron | Cardio Conversion |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Weekly ā better |
| Ads | No | No |
| In-app purchases | No ā better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.1 ā better |
| Further details ā not scored | ||
| Size | 54 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | TrantorMind s.r.l | Ryan Rodemoyer |
In-app purchases
Passion Iron
No in-app purchases
Cardio Conversion
- Premium Unlock$4.99
Questions
Is Passion Iron free?
Is Cardio Conversion free?
Do Passion Iron or Cardio Conversion have ads?
Which is updated more often, Passion Iron or Cardio Conversion?
Other comparisons
