Endurheimt vs C²
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Endurheimt
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Við hjálpum þér að endurheimta orkuna þína á einfaldan og fljótlegan hátt. Meiri orka, minni verkir og bætt melting án allra öfga. Við bjóðum upp á úrval námskeiða sem hjálpa þér á heildrænan hátt að bæta lífstíll og heilsu venjur á árangursríkann, öruggan og einfaldan hátt. Taktu þína heilsuna á næsta level og vertu með í Endurheimt samfélaginu. Read our full Terms of Service and our Privacy Policy: https://passion.io/terms-of-service https://passion.io/privacy-policy
C²
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C2 is not just an app; it's your personal guide to a healthier, fitter, and more fulfilling life. Whether your goal is to shed those extra pounds, build muscle, adopt healthier habits for a long life, or joining a community of like-minded individuals C2 empowers you every step of the way. INFORMATION ABOUT THE APP AND PURCHASE OPTIONS By signing up, you will get access to subscription(s) that include features such as progress tracking, and offline sync. The download of C² is free of charge. Should you use C² to access in-app content via available subscription(s), a payment will be charged to your credit card after the trial period ends and when a subscription renews. A subscription renews automatically unless canceled at least 24 hours prior to the end of the subscription period. There is no increase in price when renewing. Subscription(s) can be managed and auto-renewal turned off in Account Settings in the App Store after purchase. Read our full Terms of Service and our Privacy Policy: https://passion.io/terms-of-service https://passion.io/privacy-policy
Screenshots
Verdict
The clearest difference is in-app purchases: Endurheimt at none against C²'s 1. C²'s advantage is update cadence (every 6 weeks vs every 3 months). On price, ads, device support and iOS requirement 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
Both are free to download. C² sells 1 in-app purchase, starting at $30.00 per month. Endurheimt asks for nothing beyond the download.
Endurheimt ships an update every 3 months, C² every 6 weeks. The most recent releases landed on September 23, 2026 and September 10, 2026 respectively.
| Parameter | Endurheimt | C² |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 6 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 92 MB | 95 MB |
| Age rating | 4+ | 4+ |
| Developer | Linda Gunnarsdottir | Trent Christie |
In-app purchases
Endurheimt
No in-app purchases
C²
- The Exponential Edge7 Days trial$30.001 Month





