Sharper vs Focus Battery
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sharper
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.
- Send messages to your future self
- Reflect on past decisions
- Gain insight into choices
- Set timely reminders for reflection
- Private and on-device storage
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Discover the power of hindsight before making decisions with Sharper, your personal time-capsule messenger. This innovative app transforms your decision-making process by bridging the gap between your present and future self. Why DecisionDiary? Reflective Messaging: Send your future self detailed messages about daily decisions, then reflect on them when the time comes. Insightful Analysis: Understand the 'why' behind your choices to gain clarity and improve future decisions. Timely Reminders: Set future dates to revisit decisions, ensuring continuous learning and growth. Private & Secure: Your entries are for your eyes only. Everything stays on-device. POTENTIAL USAGE: - Career Decisions: Before making a career change or taking a new job, you could explain your reasoning and expectations. Future you can then assess whether those expectations were met and what unforeseen factors came into play. - Educational Paths: When deciding on a major in college or a field of study, you can document your interests and career aspirations. Looking back, you can see if the path chosen aligns with your initial goals and passion. - Financial Investments: Record your rationale behind certain investments or savings plans. Later, evaluate the outcome and understand the accuracy of your financial predictions and the quality of your decision-making process. - Relationship Reflections: Write down your thoughts when entering a new relationship or working through a problem in an existing one. You can then look back to see how your perceptions and understanding of relationships have evolved. - Health and Fitness Goals: Detail your fitness objectives and the strategies you plan to employ. Future reflections can help you understand what motivates you, what doesn't, and how to set more effective goals. - Habit Formation or Breaking: When trying to form a new habit or break an old one, document your strategies and mindset. Later, you can analyze which methods worked, which didn’t, and how your habits affect your life. - Major Purchases: Before buying something significant like a house or car, note down what you're looking for and why. Future you can assess if the purchase met your needs and how your value for money perception has changed. - Life Milestones: When approaching milestones like marriage, having a child, or retirement, record your expectations and fears. Revisiting these entries can provide insights into how such events have shaped you. - Personal Projects: Document the progress and challenges you face in personal projects, such as writing a book or starting a business. Reflect on these logs to track your perseverance and problem-solving growth. - Dietary Changes: If you’re altering your diet for health or ethical reasons, jot down your motivations and planned approach. Later, you can evaluate the impact of these changes and the clarity of your initial intentions.
Focus Battery
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.
- 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
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Focus Battery helps you understand your focus, mental energy, and best times to work. See when your focus is likely to peak, track how ADHD medications may affect your day, and understand your remaining mental energy with Focus Battery. It’s a smarter way to plan work, breaks, and routines around how your mind actually works. Whether you have ADHD, often feel mentally drained, or simply want to understand your productivity better, Focus Battery helps you spot patterns, protect your energy, and make better daily decisions. Key Features: Daily Focus Forecast -See your likely focus pattern across the day and know when you may be at your sharpest. ADHD Medication Tracking - Log your medications and see how they may influence your focus and daily rhythm. Focus Battery - Understand how much focus capacity you have left and how your mental energy changes throughout the day. Focus Metrics - Get a broader view of your focus with supportive metrics that help you understand your mind more clearly. Focus Sessions - Use your best focus windows for deep work, study, or any task that needs sustained attention. Journal & Trends - Track patterns over time and learn what helps you feel clearer, steadier, and more productive. Extra Tools - Explore focus tests, focus music, reports, and more. Focus Battery is built for people who want to stop guessing and start understanding their focus. Subscription Information: Focus Battery includes a short onboarding experience with a simplified focus profile preview. Access to the app and all features described above requires a Focus Battery Pro auto-renewable subscription. Pricing and trial details are shown in the app before purchase. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.focusbattery.pro/privacy.html
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Sharper | Focus Battery |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | — | Every 4 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Subscription |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 2 MB | 96 MB |
| Age rating | 4+ | 4+ |
| Developer | Jonathan Mercer | Oleksandr Demchenko |
Customer experience
Sharper
Focus Battery
In-app purchases
Sharper
No in-app purchases
Focus Battery
- Focus Battery Pro — Monthly3 Days trial$9.991 Month
- Focus Battery Pro – Annual3 Days trial$49.991 Year









