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.




244+ iOS apps curated and reviewed
Out of 244+ 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 | 4.8★ (150) | No | Yes | Oct 2026 | ||
| 3 | Free | 5.0★ (3) | No | Yes | Oct 2026 | ||
| 4 | Free | — | No | No | May 2026 | ||
| 5 | Free | 4.4★ (1.6K) | Yes | No | Oct 2026 | ||
| 6 | $1.99 | — | No | No | Sep 2026 | ||
| 7 | Free | — | No | Yes | Oct 2026 | ||
| 8 | Free | 5.0★ (2) | No | Yes | Sep 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.






Effortlessly track your food intake with AI-powered photo analysis. Get instant calorie estimates, macro breakdowns, and health insights to understand your eating habits and build healthier routines.






Easily track your calories, macros, and nutrition with AI-powered insights. Scan meals for instant breakdowns, get personalized suggestions, and monitor your progress towards health goals like weight loss or muscle gain.