# FuelFlow vs Calorie Tracker

The clearest difference is update cadence: Calorie Tracker at daily against FuelFlow's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. FuelFlow sells 2 in-app purchases, starting at $1.99 per month and Calorie Tracker sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

FuelFlow ships an update fortnightly, Calorie Tracker daily. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | FuelFlow | Calorie Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fuelflow/id6755150914/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Freemium | — |
| Size | 109 MB | 6 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [TheVSG LLC](https://appshunter.io/developer/1852256392) | [Eilon Udi](https://appshunter.io/developer/1779776722) |

## What reviewers say

### FuelFlow

[App page](https://appshunter.io/ios/app/fuelflow/id6755150914)

This app helps endurance athletes optimize their nutrition and hydration during long activities. It provides real-time tracking, personalized fueling targets based on course and pace, and aids for crew and pacers. Features include offline functionality and Apple Watch integration for easy logging.

**Highlights:** Real-time nutrition and hydration tracking, Course-aware fueling targets, Adaptive UI for deep activity stages, Crew and pacer support, Offline plan functionality, Apple Watch standalone app, Audio coaching reminders

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FuelFlow Premium | $1.99 | per month |
| FuelFlow Premium | $14.99 | per year |


### Calorie Tracker

[App page](https://appshunter.io/ios/app/calorie-tracker-fuelflow/id6756783159)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $7.99 | per month |
| Pro Annually | $89.99 | per year |


## Frequently asked questions

### Is FuelFlow free?

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

### Is Calorie Tracker free?

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

### Do FuelFlow or Calorie Tracker have ads?

Neither FuelFlow nor Calorie Tracker shows ads.

### Which is updated more often, FuelFlow or Calorie Tracker?

FuelFlow ships an update fortnightly, and Calorie Tracker daily. Most recently, FuelFlow was updated on October 24, 2026 and Calorie Tracker on October 16, 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.*