# Intermittent Fasting Tracker vs Body Fat Calc

The clearest difference is monetization model: Body Fat Calc at free against Intermittent Fasting Tracker's free with in-app purchases. Intermittent Fasting Tracker's advantage is ratings volume (52K vs 1). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Intermittent Fasting Tracker sells 17 in-app purchases, starting at $0.99 per month and Body Fat Calc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for Intermittent Fasting Tracker against 5.0 for Body Fat Calc. That said, the two scores are not equally well evidenced: Intermittent Fasting Tracker has 52K ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 97% of Intermittent Fasting Tracker's written reviews are positive against 100% of Body Fat Calc's.

Intermittent Fasting Tracker ships an update every 10 days, Body Fat Calc every 9 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Intermittent Fasting Tracker | Body Fat Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (52K ratings)](https://appshunter.io/ios/app/intermittent-fasting-tracker/id6448909309/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/body-fat-calc/id6460890734/reviews)** |
| Number of ratings | **52K** | 1 |
| Positive reviews | 96.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 9 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 111 MB | 5 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Kai Oelfke](https://appshunter.io/developer/644779478) | [Patrick James McGarrity](https://appshunter.io/developer/1701785195) |

## What reviewers say

### Intermittent Fasting Tracker

[App page](https://appshunter.io/ios/app/intermittent-fasting-tracker/id6448909309)

This app offers a straightforward and private way to track intermittent fasting. It supports iPhone and Apple Watch, providing essential features like widgets, notifications, and progress charts without any advertisements. Ideal for both beginners and experienced fasters, it focuses on a simple user interface to support health and wellness goals.

**Highlights:** Interactive Widgets, Notifications, Streaks & Badges, Charts & Trends, Fasting Zones, iCloud Sync, Dark Mode

**Features:** Apple Watch app

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fasty Monthly Donation | $0.99 | per month |
| Fasty Basic Monthly | $0.99 | per month |
| Fasty Monthly Donation | $1.99 | per month |
| Fasty Basic Monthly | $1.99 | per month |
| Fasty Monthly Donation | $2.99 | per month |
| Fasty Basic Yearly | $4.99 | per year |
| Fasty Basic Yearly | $6.69 | per year |
| Fasty Pro Monthly | $6.99 | per month |
| Fasty Pro Yearly | $19.99 | per year |
| One Time Donation | $4.99 | one-time |
| Fasty Basic One Time | $9.99 | one-time |
| One Time Donation | $9.99 | one-time |
| One Time Donation | $14.99 | one-time |
| One Time Donation | $24.99 | one-time |
| One Time Donation | $34.99 | one-time |
| Fasty Pro One Time | $49.99 | one-time |
| One Time Donation | $49.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Straightforward fasting tracking
- 🔒 No ads or subscriptions
- 💡 Customizable fasting times
- 👍 Clean and intuitive interface

**What reviewers complain about**

- 🐛 Occasional issues with time tracking
- 💡 Desire for more customization options
- 💡 Request for monthly/yearly fasting view
- 💡 Interest in adding notes or logging features

**Reported bugs**

- Overlapping fasting/eating windows reported
- Inconsistencies in fasting time calculations

**Requested features**

- Ability to schedule and set reminders for fasts
- Option to manually log ketosis levels
- Export or share fasting data
- More detailed fasting stage information


### Body Fat Calc

[App page](https://appshunter.io/ios/app/body-fat-calc/id6460890734)

Easily monitor your body composition with this app. It estimates body fat percentage, BMI, and Waist-to-Hip Ratio using established health metrics. Track your progress with interactive graphs and access helpful guides for accurate measurements.

**Highlights:** Estimate body fat, BMI, and waist-to-hip ratio, Visualize progress with trend charts, Log and edit historical data, Export measurement history, Use metric or imperial units, Access step-by-step measuring guides, Sync with Apple Health

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $1.99 | one-time |


## Frequently asked questions

### Is Intermittent Fasting Tracker free?

Intermittent Fasting Tracker is free to download, with in-app purchases available.

### Is Body Fat Calc free?

Body Fat Calc is free to download, with in-app purchases available.

### Which has better reviews, Intermittent Fasting Tracker or Body Fat Calc?

Body Fat Calc is rated higher. Intermittent Fasting Tracker averages 4.9 out of 5 from 52K ratings, while Body Fat Calc averages 5.0 from 1 ratings.

### Do Intermittent Fasting Tracker or Body Fat Calc have ads?

Neither Intermittent Fasting Tracker nor Body Fat Calc shows ads.

### Which is updated more often, Intermittent Fasting Tracker or Body Fat Calc?

Intermittent Fasting Tracker ships an update every 10 days, and Body Fat Calc every 9 days. Most recently, Intermittent Fasting Tracker was updated on October 24, 2026 and Body Fat Calc on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*