# Fuelin vs 4Level

The clearest difference is ads: 4Level at none against Fuelin's shown. Fuelin's advantage is iOS requirement (16.4 vs 26.1). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Fuelin sells 7 in-app purchases, starting at $29.00 per month and 4Level sells 2 in-app purchases, starting at $1.99 per year. Whichever you choose, the download price is not the number that matters.

Fuelin ships an update every 10 days, 4Level weekly. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Fuelin | 4Level |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (1.3K ratings)](https://appshunter.io/ios/app/fuelin-performance-nutrition/id1579806995/reviews)** | — |
| Number of ratings | **1.3K** | — |
| Positive reviews | 50.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 144 MB | 8 MB |
| Requires iOS | **16.4** | 26.1 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Thrive AI Labs](https://appshunter.io/developer/1574246908) | [Robert Poetzsch](https://appshunter.io/developer/1860642630) |

## What reviewers say

### Fuelin

[App page](https://appshunter.io/ios/app/fuelin-performance-nutrition/id1579806995)

This app provides personalized nutrition coaching for athletes and active individuals. It creates daily meal plans that adapt to your training, goals, and preferences, offering smart meal recommendations and simple food logging. It also includes tools for hydration tracking and gut training, along with educational content to build lasting healthy habits.

**Highlights:** Adaptive daily nutrition plans, Personalized meal recommendations, AI-powered food logging, Hydration and gut training tools, In-app nutrition lessons, Syncs with fitness trackers

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fuelin Performance Nutrition | $29.00 | per month |
| Autopilot Monthly Plan | $29.00 | per month |
| Copilot Monthly (New Users) | $99.00 | per month |
| Copilot Monthly | $99.00 | per month |
| Autopilot Yearly Plan | $139.00 | per year |
| Autopilot Yearly | $139.00 | per year |
| Copilot Yearly | $399.00 | per year |


### 4Level

[App page](https://appshunter.io/ios/app/4level/id6816633802)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 4Level Pro Yearly | $1.99 | per year |
| 4Level Lifetime | $8.99 | one-time |


## Frequently asked questions

### Is Fuelin free?

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

### Is 4Level free?

4Level is free to download, with in-app purchases available.

### Do Fuelin or 4Level have ads?

Fuelin shows ads; 4Level does not.

### Which is updated more often, Fuelin or 4Level?

Fuelin ships an update every 10 days, and 4Level weekly. Most recently, Fuelin was updated on October 30, 2026 and 4Level on October 29, 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.*