# fuelOS vs IC Diary

The clearest difference is in-app purchases: IC Diary at none against fuelOS's 2. IC Diary also leads on iOS requirement (16.4 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. fuelOS sells 2 in-app purchases, starting at $9.99 per month. IC Diary asks for nothing beyond the download.

fuelOS ships an update every 3 weeks, IC Diary every 2 weeks. Both last shipped on October 2, 2026.

## The numbers

| Metric | fuelOS | IC Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (12 ratings)](https://appshunter.io/ios/app/fuelos/id6756439581/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 37 MB | 59 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Abay Bektursun](https://appshunter.io/developer/1857023452) | [Georgii Tcamaladze](https://appshunter.io/developer/6794720487) |

## What reviewers say

### fuelOS

[App page](https://appshunter.io/ios/app/fuelos/id6756439581)

Effortlessly track your nutrition with AI-powered food logging. Simply snap a photo, speak your meal, or scan a barcode to instantly understand your intake. Gain actionable insights into your diet to live healthier without the hassle of manual calorie counting.

**Highlights:** AI-powered food logging, Photo, voice, and barcode scanning, Effortless nutrition tracking, Actionable dietary insights, Micronutrient tracking (Pro), HealthKit integration (Pro)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| fuelOS Pro Monthly | $9.99 | per month |
| fuelOS Pro Annual | $89.99 | per year |


### IC Diary

[App page](https://appshunter.io/ios/app/ic-diary/id6794720485)

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

**In-app purchases:** none


## Frequently asked questions

### Is fuelOS free?

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

### Is IC Diary free?

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

### Do fuelOS or IC Diary have ads?

Neither fuelOS nor IC Diary shows ads.

### Which is updated more often, fuelOS or IC Diary?

fuelOS ships an update every 3 weeks, and IC Diary every 2 weeks. Most recently, fuelOS was updated on October 2, 2026 and IC Diary on October 2, 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.*