# Bodyfat Tracker vs Flash Interval Timer Workout

The clearest difference is in-app purchases: Flash Interval Timer Workout at none against Bodyfat Tracker's 6. Bodyfat Tracker's advantage is ads (none vs shown) and update cadence (every 3 days vs every 9 days). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Bodyfat Tracker sells 6 in-app purchases, starting at $0.99 per month. Flash Interval Timer Workout asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Bodyfat Tracker against 4.9 for Flash Interval Timer Workout. Both are backed by a comparable volume of ratings — 4 and 7 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Bodyfat Tracker ships an update every 3 days, Flash Interval Timer Workout every 9 days. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Bodyfat Tracker | Flash Interval Timer Workout |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/bodyfat-tracker/id6472050959/reviews)** | [4.9 (7 ratings)](https://appshunter.io/ios/app/flash-interval-timer-workout/id6761573911/reviews) |
| Number of ratings | 4 | **7** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 9 days |
| Monetization | Freemium | **Ad-supported** |
| Size | 46 MB | 43 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Simon Burgess](https://appshunter.io/developer/960547111) | [Colin Differ](https://appshunter.io/developer/1823248120) |

## What reviewers say

### Bodyfat Tracker

[App page](https://appshunter.io/ios/app/bodyfat-tracker/id6472050959)

Easily track your body fat percentage and other key metrics to support weight loss or muscle building goals. Simply input your waist measurement and weight to monitor progress over time with detailed charts and customizable goals.

**Highlights:** Body fat percentage tracking, Waist to Height Ratio (WHR) calculation, BMI calculation for comparison, Progress charts (bar and line), Goal setting for weight, waist, and body fat, Automatic result updates, Multiple measurement systems

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.99 | per month |
| Premium Annual | $5.99 | per year |
| Small tip | $0.99 | one-time |
| Medium tip | $1.99 | one-time |
| Large tip | $4.99 | one-time |
| Premium Lifetime | $9.99 | one-time |


### Flash Interval Timer Workout

[App page](https://appshunter.io/ios/app/flash-interval-timer-workout/id6761573911)

This app provides a customizable interval timer for various high-intensity interval training (HIIT) and circuit workouts. Easily build, save, and access your training sessions with clear visual cues and audio prompts to keep you focused.

**Highlights:** Customizable work and rest phases, Save and favorite workouts, Large, clear countdown display, Audio and voice cues, Workout history tracking, Multiple appearance themes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Bodyfat Tracker free?

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

### Is Flash Interval Timer Workout free?

Flash Interval Timer Workout is free to download, with no in-app purchases.

### Which has better reviews, Bodyfat Tracker or Flash Interval Timer Workout?

Bodyfat Tracker is rated higher. Bodyfat Tracker averages 5.0 out of 5 from 4 ratings, while Flash Interval Timer Workout averages 4.9 from 7 ratings.

### Do Bodyfat Tracker or Flash Interval Timer Workout have ads?

Flash Interval Timer Workout shows ads; Bodyfat Tracker does not.

### Which is updated more often, Bodyfat Tracker or Flash Interval Timer Workout?

Bodyfat Tracker ships an update every 3 days, and Flash Interval Timer Workout every 9 days. Most recently, Bodyfat Tracker was updated on October 5, 2026 and Flash Interval Timer Workout on October 7, 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.*