How We Feel vs Karla
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
How We Feel
This app helps users understand and manage their emotions with science-based strategies. It tracks sleep, exercise, and health trends to identify patterns and offers guided exercises for stress, anxiety, and relationship building. Share your feelings with trusted friends to strengthen connections.
- Emotion identification and tracking
- Sleep, exercise, and health trend monitoring
- Science-based emotional regulation strategies
- Guided video exercises (mindfulness, movement, cognitive)
- Real-time emotion sharing with trusted friends
- Pattern identification for emotional wellbeing
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How We Feel is a free app created by scientists, designers, engineers, and therapists to help people better understand their emotions and find strategies to help them navigate their emotions in the moment. Conceived in conjunction with Yale University's Center for Emotional Intelligence and based on the work of Dr Marc Brackett, How We Feel helps people find the right word to describe how they feel while tracking their sleep, exercise, and health trends using HealthKit in order to spot patterns over time. Founded as a science-based nonprofit, How We Feel is made possible by donations from people who are passionate about bringing mental wellbeing to the widest possible audience. Our data privacy terms are clear and easy-to-understand: all of your data is kept on your device unless you opt-in to send an anonymized version of your check-ins to be used in research to help more people. Whether you are downloading this app in order to build better relationships, make your emotions to work for you, not against you, improve how you handle stress and anxiety or simply to feel better, How We Feel will help you identify patterns through daily HealthKit tracking and find emotional regulation strategies that will work for you. The How We Feel friends feature allows you to share how you feel with the people you trust most in real time, strengthening your most important relationships. Filled with step-by-step video strategies you can do in as little as one minute on themes like "Change Your Thinking" to help you address negative thought patterns with cognitive strategies; "Move Your Body" to express and release emotions through movement strategies;"Be Mindful" to gain perspective and minimize the negative impact of misunderstood emotions with mindfulness strategies; "Reach Out" to build intimacy and trust, two important tools for emotional wellbeing, with social strategies.
Karla
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Karla is a personal bot that lives in your pocket or purse to help with your mental health and wellbeing. She was created by Synchronous Health based on decades of science and evidence-based practice, using experts from the fields of psychological counseling, lifestyle medicine, wellbeing, artificial intelligence, privacy, and human-centered design. However, Karla is not a substitute for licensed professional help. Access to Karla is typically provided as part of a comprehensive mental wellbeing program including licensed counselors or coaches, so check to make sure you are part of one of these programs before installing, as Karla works exclusively when humans and technology come together in just the right combination to improve life. Whether you are living with anxiety, depression, stress, or other life issues, Karla is available anytime, anywhere with evidence-based exercises to develop skills and resilience to change your life. Karla’s repertoire of support is continually expanding and includes mental health interventions and other programs that have been shown to improve people’s lives. As a liaison to therapeutic professionals, Karla extends the experience between visits by delivering the skills and exercises learned in session in the moment they are needed. Karla does not provide medical diagnoses or treatment advice. She helps scale human compassion authentically and should be used with professional medical advice. All our programs are built on resilience. Life will continue to present challenges, but by managing our experiences of stress and fear, we can also experience hope and joy. Resilience is a muscle that must be exercised. When life presents the opportunity to practice resilience, Karla will be there in that moment ready to help.
Screenshots
Verdict
The clearest difference is chart position: How We Feel at #178 against Karla's unranked. Karla's advantage is iOS requirement (12.0 vs 17.0). On price and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | How We Feel | Karla |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (30K ratings) — better | — |
| Positive reviews | 91.2% of reviews | — |
| Number of ratings | 30K — better | — |
| Update frequency | Fortnightly | — |
| Ads | No | — |
| In-app purchases | No | No |
| Monetization | Free | — |
| Best chart rank | #178 — better | — |
| Devices | iPhone — better | — |
| Requires iOS | 17.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 235 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | The How We Feel Project, Inc. | Synchronous Health, Inc. |
Bugs and requests
How We Feel
Reported bugs
4 issues- App crashes when accessing the 'Tools' section
- Exercise and sleep data incorrectly applied to past entries
- Editing past entries leads to a blank screen
- Inconsistent behavior when adding friends
Requested features
6 requests- Add ability to log multiple emotions at once
- Implement a body map to identify physical sensations
- Allow users to customize emotion categories
- Provide an option to export data or sync across devices
- Add a widget for quick mood check-ins
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- Integrate with health/fitness tracking apps
Karla
Not enough reviews yet to summarise bugs or requests.
In-app purchases
How We Feel
No in-app purchases
Karla
No in-app purchases








