# StrengthIQ vs NutrientOS

The clearest difference is in-app purchases: StrengthIQ at none against NutrientOS's 2. StrengthIQ also leads on update cadence (every 6 days vs fortnightly). NutrientOS's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for StrengthIQ against 5.0 for NutrientOS. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

StrengthIQ ships an update every 6 days, NutrientOS fortnightly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | StrengthIQ | NutrientOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/strengthiq/id6761685478/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/nutrientos-calorie-tracker/id6765582312/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Fortnightly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 22 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [MICHAEL ANTHONY ROBERTS](https://appshunter.io/developer/1890858382) | [Jeremiyah Escobedo](https://appshunter.io/developer/1895999641) |

## What reviewers say

### StrengthIQ

[App page](https://appshunter.io/ios/app/strengthiq/id6761685478)

Log barbell lifts and pull-ups with detailed set tracking. View exercise history and trends with suggested loads and estimated 1RM calculations. Workout data is stored locally on your device for privacy.

**Highlights:** Log barbell lifts and pull-ups, Track weight, reps, and set styles, Suggested loads and estimated 1RM, Dedicated pull-up tracking, Privacy-focused local data storage, Exercise-specific accent colors

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is StrengthIQ free?

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

### Is NutrientOS free?

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

### Which has better reviews, StrengthIQ or NutrientOS?

StrengthIQ and NutrientOS are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do StrengthIQ or NutrientOS have ads?

Neither StrengthIQ nor NutrientOS shows ads.

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

StrengthIQ ships an update every 6 days, and NutrientOS fortnightly. Most recently, StrengthIQ was updated on October 25, 2026 and NutrientOS on October 24, 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.*