---
title: "IIFYM Macro/Calorie Calculator — App Overview"
url: https://marlvel.ai/apps/iifym-macro-calorie-calculator
category: Health & Fitness
developer: Jon Giambattista
platforms: ios
rating: 1.0 (13 ratings)
pricing: paid
report_level: overview
generated: 2026-04-28
last_verified: "2026-04-28T04:28:30.285Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** Users report significant dissatisfaction due to the app's lack of food tracking functionality and the availability of similar calculation tools for free online.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Health & Fitness |
| Rating | 1.0 ★ (13) |
| Pricing | paid |
| Platforms | iOS |
| Latest Version (iOS) | 2.1 |
| Developer | Jon Giambattista |

<!-- SECTION: Summary -->
## What is IIFYM Macro/Calorie Calculator?

The IIFYM Macro/Calorie Calculator is a paid utility designed to estimate daily caloric intake and macronutrient requirements based on the Mifflin-St-Jeor BMR equation. The app provides TDEE and BMR calculations with specific formulas for athletes and lean mass body types to assist users in reaching fitness goals.

<!-- SECTION: Key Features -->
## Key Features

- **Caloric and Macro Estimation**: Calculates daily calorie, protein, fat, carbohydrate, and fiber needs using the Mifflin-St-Jeor BMR equation.
- **Specialized Formulas**: Offers two distinct calculation methods, the Athletes Formula and Lean Mass Formula, to improve accuracy for specific body types.
- **TDEE and BMR Calculation**: Provides automated estimates for Total Daily Energy Expenditure and Basal Metabolic Rate based on personal fitness goals.

<!-- SECTION: Target Audience -->
## Who is it for?

Individuals seeking to calculate their daily nutritional requirements for weight loss or muscle gain.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/iifym-macro-calorie-calculator/id983771623?uo=4)
- [Full Intelligence Report](https://marlvel.ai/apps/iifym-macro-calorie-calculator)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/iifym-macro-calorie-calculator).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*