# FlöFuel vs HangSpine

The clearest difference is price: FlöFuel at Free against HangSpine's $5.99. HangSpine's advantage is chart position (#169 vs unranked) and iOS requirement (16.0 vs 18.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

FlöFuel is free to download; HangSpine costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

FlöFuel ships an update every 2 days, HangSpine daily. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | FlöFuel | HangSpine |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/flofuel/id6759410434/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 days | **Daily** |
| Monetization | Free | — |
| Best chart rank | — | **#169** |
| Size | 15 MB | 4 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Eric Bowman](https://appshunter.io/developer/1865787106) | [永鹏 梁](https://appshunter.io/developer/6817050220) |

## What reviewers say

### FlöFuel

[App page](https://appshunter.io/ios/app/flofuel/id6759410434)

This cycling nutrition planner calculates optimal food, drink, and hydration based on ride intensity, duration, and body weight. It offers abstract targets or pantry mode with specific product scheduling, adapting to weather conditions and providing alerts.

**Highlights:** Adaptive cycling nutrition planning, Abstract targets or pantry mode, Weather-based hydration adjustments, Apple Watch companion app, Ride nutrition timeline preview, Intensity-scaled fueling, Live Activities on lock screen

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

**In-app purchases:** none


### HangSpine

[App page](https://appshunter.io/ios/app/hangspine/id6817156558)

**Currently charting:** #169 Top Paid · Health & Fitness (US App Store)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is FlöFuel free?

FlöFuel is free to download, with no in-app purchases.

### Is HangSpine free?

HangSpine costs $5.99, with no in-app purchases.

### Do FlöFuel or HangSpine have ads?

Neither FlöFuel nor HangSpine shows ads.

### Which is updated more often, FlöFuel or HangSpine?

FlöFuel ships an update every 2 days, and HangSpine daily. Most recently, FlöFuel was updated on November 4, 2026 and HangSpine on October 31, 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.*