# Focus Battery vs nutrx

The clearest difference is in-app purchases: nutrx at none against Focus Battery's 2. nutrx also leads on update cadence (every 2 days vs every 4 days). Focus Battery's advantage is iOS requirement (15.1 vs 26.0). On price, rating, ratings volume and ads there is nothing between them.

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

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

Focus Battery ships an update every 4 days, nutrx every 2 days. The most recent releases landed on June 30, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Focus Battery | nutrx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/focus-battery/id6755793734/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/nutrx-nutrient-tracker/id6760843478/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | Subscription | **Free** |
| Size | 96 MB | 3 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Oleksandr Demchenko](https://appshunter.io/developer/1856395168) | [ALEXANDRU &TURCAN](https://appshunter.io/developer/1886504747) |

## What reviewers say

### Focus Battery

[App page](https://appshunter.io/ios/app/focus-battery/id6755793734)

Understand your daily focus, mental energy, and peak productivity times. Track how ADHD medications may impact your day and plan your work and breaks around your mind's natural rhythms. Ideal for those with ADHD or seeking to optimize productivity.

**Highlights:** Daily focus forecast, ADHD medication tracking, Mental energy monitoring, Focus metrics and insights, Deep work session planner, Journaling and trend analysis, Focus tests and music

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Focus Battery Pro — Monthly | $9.99 | per month |
| Focus Battery Pro – Annual | $49.99 | per year |


### nutrx

[App page](https://appshunter.io/ios/app/nutrx-nutrient-tracker/id6760843478)

This app allows you to privately track your daily nutrient intake without any preset lists. You define what to monitor, set personal targets, and log entries with a single tap. All data is stored locally on your device, ensuring complete privacy.

**Highlights:** Custom nutrient definition, Single-tap logging, Visual progress bars, Offline functionality, Local data storage, Daily check-in reminders

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

**In-app purchases:** none


## Frequently asked questions

### Is Focus Battery free?

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

### Is nutrx free?

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

### Which has better reviews, Focus Battery or nutrx?

Focus Battery and nutrx are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Focus Battery or nutrx have ads?

Neither Focus Battery nor nutrx shows ads.

### Which is updated more often, Focus Battery or nutrx?

Focus Battery ships an update every 4 days, and nutrx every 2 days. Most recently, Focus Battery was updated on June 30, 2026 and nutrx on September 9, 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.*