# NutrientOS vs CivilDusk

The clearest difference is in-app purchases: CivilDusk at none against NutrientOS's 2. NutrientOS's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.0). On price, update cadence and ads there is nothing between them.

Both are free to download. NutrientOS sells 2 in-app purchases, starting at $7.99 per month. CivilDusk asks for nothing beyond the download.

NutrientOS ships an update fortnightly, CivilDusk every 10 days. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | NutrientOS | CivilDusk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/nutrientos-calorie-tracker/id6765582312/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 6 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Jeremiyah Escobedo](https://appshunter.io/developer/1895999641) | [craig merry](https://appshunter.io/developer/1709539824) |

## What reviewers say

### NutrientOS

[App page](https://appshunter.io/ios/app/nutrientos-calorie-tracker/id6765582312)

Track your nutrition, understand your meals, and build healthier habits with food logging, macro and micronutrient tracking, and workout logging. Optional AI tools offer advanced guidance and insights for personalized wellness.

**Highlights:** Food diary with calories, macros, and micronutrients, Barcode and food search, Restaurant menu browsing, Fitness, hydration, and sleep tracking, AI meal scan, AI Coach for guidance, AI recipe builder

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Atlas Pro Monthly | $7.99 | per month |
| Atlas Premium Monthly | $12.99 | per month |


### CivilDusk

[App page](https://appshunter.io/ios/app/civildusk/id6791332274)

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

**In-app purchases:** none


## Frequently asked questions

### Is NutrientOS free?

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

### Is CivilDusk free?

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

### Do NutrientOS or CivilDusk have ads?

Neither NutrientOS nor CivilDusk shows ads.

### Which is updated more often, NutrientOS or CivilDusk?

NutrientOS ships an update fortnightly, and CivilDusk every 10 days. Most recently, NutrientOS was updated on October 24, 2026 and CivilDusk on October 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*