Quickly convert between kilojoules and kilocalories with this straightforward utility. It displays the conversion formula clearly and allows you to share your calculations. Designed for ease of use on Apple devices.




221+ iOS apps curated and reviewed
Out of 221+ kjoule kcal apps on iOS, 17 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | $0.99 | 3.0★ (2) | No | No | Jun 2026 | ||
| 2 | Free | 4.4★ (1.6K) | Yes | No | Sep 2026 | ||
| 3 | $1.99 | — | No | No | Aug 2026 | ||
| 4 | $2.99 | — | No | No | Aug 2026 | ||
| 5 | Free | 4.7★ (40) | No | Yes | Aug 2026 | ||
| 6 | Free | 4.0★ (21) | Yes | Yes | Aug 2026 | ||
| 7 | Free | 4.6★ (17K) | No | Yes | Sep 2026 | ||
| 8 | Free | — | No | No | May 2026 |




Quickly convert between kilojoules and kilocalories with this straightforward utility. It displays the conversion formula clearly and allows you to share your calculations. Designed for ease of use on Apple devices.






Track your food intake, exercise, and weight loss progress with this calorie counter. It offers animated statistics, custom food creation, and privacy-focused local data saving. Achieve your fitness goals, whether it's weight loss, muscle gain, or overall health improvement.



Easily convert energy values between kilocalories and kilojoules. This utility app offers a simple interface for quick conversions, allowing you to customize the number of decimal places displayed.