Sharper vs Ruby Rhythm
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.
Ruby Rhythm
This app offers a unique approach to period tracking by integrating Traditional Chinese Medicine (TCM) principles. It helps users understand their cycle phases, energy levels, mood, and overall well-being with a user-friendly interface and cute animal illustrations.
- Period and cycle tracking
- Traditional Chinese Medicine integration
- Cycle phase identification (Inner Winter, Spring, Summer, Autumn)
- Insights into energy, mood, and well-being
- User-friendly interface
- Data privacy: local storage, no sharing
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Say goodbye to overly complicated and pink period tracking and hello to Ruby Rhythm, the app that goes beyond the calendar. Ruby Rhythm integrates the wisdom of Traditional Chinese Medicine (TCM) to help you understand your cycle like never before. Track your periods and get insights into your body's unique rhythm. Ruby Rhythm isn’t just about dates; it’s about phases. With our easy-to-use interface, you can see if you're in your Inner Winter, Inner Spring, Inner Summer or Inner Autumn Phase, and see how they affect your energy, mood, and well-being. Ruby Rhythm is designed to empower you with knowledge, support, and cute animals to make every day of your cycle a little more fun. Your data never leaves your device and is never used or shared for advertising, data collection, or marketing purposes.
Screenshots
Verdict
Sharper and Ruby Rhythm are too close to call on the numbers: across 8 compared parameters — price, rating, ratings volume and ads among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Sharper against 5.0 for Ruby Rhythm. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
| Parameter | Sharper | Ruby Rhythm |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Number of ratings | 1 | 2 — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 16.4 — better |
| Further details — not scored | ||
| Size | 2 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Jonathan Mercer | Vampire Squids LLC |
Customer experience
Sharper
Ruby Rhythm
In-app purchases
Sharper
No in-app purchases
Ruby Rhythm
No in-app purchases









