# Sharper vs Focus Battery

The clearest difference is in-app purchases: Sharper at none against Focus Battery's 2. Focus Battery's advantage is iOS requirement (15.1 vs 17.0). 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. Sharper asks for nothing beyond the download.

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

## The numbers

| Metric | Sharper | Focus Battery |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/sharper-decision-diary/id6471383280/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/focus-battery/id6755793734/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Monetization | **Free** | Subscription |
| Size | 2 MB | 96 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jonathan Mercer](https://appshunter.io/developer/1139082295) | [Oleksandr Demchenko](https://appshunter.io/developer/1856395168) |

## What reviewers say

### Sharper

[App page](https://appshunter.io/ios/app/sharper-decision-diary/id6471383280)

This app helps you make better decisions by sending messages to your future self. Reflect on past choices to gain clarity and improve future outcomes. It's a private tool for personal growth and understanding your decision-making patterns.

**Highlights:** Send messages to your future self, Reflect on past decisions, Gain insight into choices, Set timely reminders for reflection, Private and on-device storage

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Sharper free?

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

### Is Focus Battery free?

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

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

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

### Do Sharper or Focus Battery have ads?

Neither Sharper nor Focus Battery shows ads.

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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.*