Comparison

Strength Well vs PHASES. Cycle Tracker & Diary

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Strength Well

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Try Strength Well for free and enjoy unlimited access to all premium features (no payment taken during trial). KNOW YOUR STRENGTHSPAN. OWN YOUR FUTURE. Muscle isn’t just about performance. It’s one of the most powerful indicators of long-term health. Studies show that strength is closely linked to longevity, metabolic function, brain health, and quality of life as we age. It is one of the most predictive and controllable biomarkers we have. Yet most people aren’t measuring it in any meaningful way. That’s where Strength Well comes in. We make tracking your strength simple and intuitive, so you always know if you’re on track, ahead, or falling behind. HOW STRENGTH WELL WORKS Strength Well helps you understand your strengthspan (your body's ability to generate and maintain strength over time). It combines performance testing, daily habit tracking, and personalized AI coaching to give you a full picture of your current strength and how to improve it. Benchmark Your Strengthspan Complete just 9 exercises to reveal your strengths, spot weaknesses, and generate a personalized strength profile. Track the Habits That Drive Progress Use the daily journal to log workouts, recovery, nutrition, and energy. See how your lifestyle is supporting or holding back your strength. Unlock AI Coaching Your AI Coach uses your data to offer clear, actionable guidance. Learn what’s working, where to focus, and how to train more effectively, based on your unique patterns. WHO STRENGTH WELL FOR Strength Well is designed for anyone who cares about their long-term health, performance, and independence. But for some people, the impact can be especially transformative: GLP-1 Users Rapid weight loss can lead to unwanted muscle loss. Strength Well helps you monitor and protect your muscle mass as you improve body composition. Busy Professionals When time is limited, it helps to know exactly where to focus. Strength Well filters out the noise and shows you what really matters for your goals. Longevity and Aging Strength is central to healthy aging. Whether you're 35 or 65, Strength Well helps you build and maintain the muscle that protects your healthspan. Perimenopause and Beyond Hormonal changes during perimenopause and menopause can lead to accelerated muscle loss and reduced bone density. Strength Well helps you stay ahead with targeted tracking and insights that reflect your changing physiology. LOG YOUR STRENGTH, CHANGE YOUR TRAJECTORY. Strength Well is more than a workout tracker or fitness app. It’s your long-term strength companion. With data-informed coaching, personalized insights, and science-backed benchmarks, you’ll know exactly where you stand, and how to move forward. Track your strengthspan Build muscle that supports longevity Optimize your training with AI-powered insights Measure progress that actually matters TRY STRENGTH WELL TODAY FOR FREE.

About

PHASES. Cycle Tracker & Diary

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A completely new perspective on your cycle and your everyday life. MORE THAN SYMPTOMS. Most cycle apps only let you track symptoms. PHASES goes further. Focus on what matters most in your everyday life. Not just symptoms, but also what you did and experienced. Sports, nutrition, date nights, family moments, relationship highs and lows, work stress, social events β€” everything that matters to you. Clearly presented in a unique vertical calendar. FOR MEN, TOO. Why are cycle apps always made just for women? Enter your partner's period and alongside it your own life. Because HER cycle has an impact on YOUR relationship life when it comes to moods and libido. So you know what's going on β€” for a better mutual understanding. DISCOVER PATTERNS you haven't seen before. When you keep everything in one place, connections become visible. How does your energy change around your ovulation, or your partner's? How do sleep, nutrition, and exercise relate to how you feel? PHASES makes these patterns visible so you can understand yourself better and plan smarter. PRIVACY BY DESIGN. Cycle apps that store data on servers are a no-go. PHASES stores everything exclusively on your device. No account required. No server. No tracking. No third parties. Your entries never leave your smartphone. FEATURES. - Unique vertical calendar - Fully customizable categories and entries - Track your period and receive a forecast - Bleeding isn't the same as your period. You can log both separately - Track ovulation, for example when you've confirmed it with an ovulation test or NFP - Log everything that matters to you: symptoms, mood, energy, sleep, sports, nutrition, social life, relationships and more - 100% on device. No cloud, no tracking - Core features usable without a subscription

Screenshots

Strength Well4 screens
PHASES. Cycle Tracker & Diary4 screens

Verdict

The call

The clearest difference is in-app purchases: PHASES. Cycle Tracker & Diary at none against Strength Well's 2. Strength Well's advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (14.0.0 vs 26.2). On price, ads and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Strength Well sells 2 in-app purchases, starting at $6.99 per month. PHASES. Cycle Tracker & Diary asks for nothing beyond the download.

UpkeepUpdate frequency

Strength Well ships an update every 3 weeks, PHASES. Cycle Tracker & Diary every 2 months. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

Scorecard3 real differences Β· 3 level
Strength Well versus PHASES. Cycle Tracker & Diary: the parameters behind the verdict, then further details
ParameterStrength WellPHASES. Cycle Tracker & Diary
PriceFreeFree
Update frequencyEvery 3 weeks β€” betterEvery 2 months
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPod β€” betteriPhone
Requires iOS14.0.0 β€” better26.2
Further details β€” not scored
Size46 MB2 MB
Age rating4+4+
DeveloperBula Marketer LimitedmyNFP GmbH

In-app purchases

2 purchases

Strength Well

Subscriptions2
  • Premium - Monthly$6.991 Month
  • Premium - Yearly3 Days trial$39.991 Year
None

PHASES. Cycle Tracker & Diary

No in-app purchases

Questions

Is Strength Well free?
Strength Well is free to download, with in-app purchases available.
Is PHASES. Cycle Tracker & Diary free?
PHASES. Cycle Tracker & Diary is free to download, with no in-app purchases.
Do Strength Well or PHASES. Cycle Tracker & Diary have ads?
Neither Strength Well nor PHASES. Cycle Tracker & Diary shows ads.
Which is updated more often, Strength Well or PHASES. Cycle Tracker & Diary?
Strength Well ships an update every 3 weeks, and PHASES. Cycle Tracker & Diary every 2 months. Most recently, Strength Well was updated on October 28, 2026 and PHASES. Cycle Tracker & Diary on October 25, 2026.

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