Fortitude vs Cardio Convert
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Fortitude
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For members of Fortitude to reserve their place in a class, sign up for gym events, and general account management like updating headshots and credit card on file.
Cardio Convert
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Can't run today? Cardio Convert turns any aerobic piece into its equivalent on another machine or movement in one tap. Type any distance, calorie count, rep count, or time and get the matching numbers for everything else instantly: - Run - Row / Ski erg - Bike erg - C2 erg calories - Air bike calories - Shuttle runs - Double unders - Burpees - Time domain Built by Fitness Academy on the conversion standards used across major functional fitness programs, and matched to published scaling charts cell for cell. FEATURES - Convert from any field: enter what you know, read off what you need - One-tap quick selects for common distances from 100m to 10K - Male and female machine calibration - Full reference table for every standard distance - Double under substitutions: jumping jacks, single unders, line hops, pogo jumps - No-equipment mode: time-matched rep targets for burpees, tuck jumps, lunges, squats, jacks, and high knees - Works fully offline, no account, no ads, no tracking Guidelines, not exact equivalents. Built around moderate to hard effort inside a workout. Match the time domain and intensity the workout is asking for; the tool is interchangeable, the stimulus isn't.
Screenshots
Verdict
The clearest difference is ads: Cardio Convert at none against Fortitude's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Fortitude | Cardio Convert |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | β |
| Ads | Yes | No β better |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15 β better | 15.1 |
| Further details β not scored | ||
| Size | 90 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Fortitude Health and performance LTD | Click Statement Inc |
In-app purchases
Fortitude
No in-app purchases
Cardio Convert
No in-app purchases





