250+ iOS apps curated and reviewed
The best deficit apps on iPhone average 4.4★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (23) | No | No | Oct 2026 | |
| 2 |  | Free | 4.9★ (24K) | Yes | Yes | Oct 2026 | |
| 3 |  | Free | — | No | Yes | Aug 2026 | |
| 4 |  | Free | 5.0★ (1) | No | Yes | Aug 2026 | |
| 5 |  | Free | 4.8★ (171K) | No | Yes | Oct 2026 | |
| 6 |  | Free | 4.7★ (4K) | No | Yes | Oct 2026 | |
| 7 |  | Free | 5.0★ (2) | No | Yes | Oct 2026 | |
| 8 |  | Free | 4.7★ (2.4M) | Yes | Yes | Oct 2026 |
This app calculates your precise daily calorie deficit needed for weight loss based on your personal stats and wearable data. It tracks your meals and calories burned against this target, adjusting automatically as you progress. It offers a data-driven approach to achieving your weight goals.
This app offers a fast and accurate way to track your calorie intake and nutrition. It provides personalized meal plans for weight loss or muscle gain, an AI coach for guidance, and tools for tracking progress, intermittent fasting, and creating shopping lists.
