Changes Life Tracker vs Kronx
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Changes Life Tracker
This app helps you understand your mood and behavior patterns by tracking your feelings and daily activities. It offers insights through charts, word clouds, and augmented reality, allowing you to identify what truly makes you happy and make positive life changes. Your data is securely stored and exportable.
- Daily mood logging
- Hashtag support for entries
- Apple Watch integration
- Machine learning sentiment analysis
- Augmented Reality infographics
- Data export (JSON)
- iCloud sync
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It’s a struggle to know what really makes you happy. Our primitive brains are fundamentally ill-equipped to compute all our habits, achievements, aspirations and values. By keeping a log of how you feel while you feel it you can go beyond your inner dialogue to discern patterns of mood and behaviour. This app provides evidence-based and non-judgemental insight into what it is that really makes you happy. Mood tracking for busy people: Write your diary every day and say as much as you feel • Hashtag support to add structure or for quicker entries • Apple Watch support for the quickest entries • Dark and light mode support for maximum comfort • Randomised daily reminders • Scheduled reminders if you want to get into a journaling habit • Machine learning does some basic sentiment analysis to give you a gentle tail-wind when discerning your mood • Timeline and search features make it easy to explore your diary, with starred entries always visible for a "condensed narrative" • Sensitive entries can be marked private and will be blurred out and locked on your timeline so you nobody accidentally sees anything over your shoulder • Location can be automatically recorded with every entry • Useful tools to manage and organise your entries and hashtags Insights: As you add more data, more insights are unlocked • At a glance insights in words and charts help you quickly see your progress • Augmented Reality infographics let you deep-dive into large data sets without any pinching, swiping, tapping or scrolling - just move your phone around to explore • When you discover something interesting, take a picture to save to your Photos or share with others • Word clouds let you see what's been on your mind the most • Location map lets you see where you have been happiest • My Story insight lets you see all of your data at once with lanes of hashtags and a detailed day-by-day calendar. Take Action - make a change! • When you have enough data you can try making a change in your life • See how your story unfolds and whether you made your life better or worse You own your data • iCloud sync • Export JSON or your whole database • We don't do analytics without your permission and we tell you exactly what we collect This is the third evolution of my 'happiness app' concept since 2009 (or fifth, depending on how you count it). When I first started tracking my mood I didn't know what to expect. Now I have a pretty good idea of the biggest strengths of this mechanism and I've collected and bundled all of my insights in to this app, just for you. I hope you'll give it a try. Michael Forrest - Founder / Designer / Developer - Good To Hear UK
Kronx
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In a world overwhelmed with confusing advice, we provide a logical, structured approach that starts with the fundamentals—optimizing your circadian rhythms. By creating daily habits that align your behavior with your body's natural clock, Kronx helps your body work more efficiently—resulting in improved energy, recovery, and performance, and launching your journey toward a healthier future. Key Features: Circadian Rhythm Optimization: Leverage a science-backed approach that aligns your daily behavior with your body’s natural clock to maximize energy, recovery, and overall performance. Consistent routines, as demonstrated by circadian biology research, enhance metabolic function, balance hormones, and support overall health. Structured Habit Modules: Establish a robust foundation with targeted interventions at specific times. Habits divided into four modules—Rest, Start, Move, and Calm—align with key periods of the day to keep your physiological processes synchronized with your body's natural rhythms, ensuring every system runs smoothly and efficiently. Personalized Performance & Recovery Tracking: By measuring your recovery and performance metrics alongside your adherence to key habits, you gain clear insights into how your routines impact your well-being. This data not only empowers you to fine-tune your habits for optimal results but also motivates you to stay on track. Data-Driven Insights & Feedback: Benefit from trend analysis and actionable recommendations that help you fine-tune your habits for long-term wellness and optimal physiological function.
Screenshots
Verdict
The clearest difference is in-app purchases: Kronx at none against Changes Life Tracker's 3. Kronx also leads on update cadence (weekly vs every 2 months). Changes Life Tracker's advantage is iOS requirement (13.0 vs 17.0). On price, ads and device support 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. Changes Life Tracker sells 3 in-app purchases, starting at $3.99 per 3 months. Kronx asks for nothing beyond the download.
Changes Life Tracker ships an update every 2 months, Kronx weekly. The most recent releases landed on September 19, 2026 and September 9, 2026 respectively.
| Parameter | Changes Life Tracker | Kronx |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 50 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Good To Hear | Elevon.io |
In-app purchases
Changes Life Tracker
- 3 Months Premium Updates$3.993 Months
- 6 Months Premium Updates$4.996 Months
- 1 Year Premium Updates$6.991 Year
Kronx
No in-app purchases









