SwellSpa vs Herizen
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
SwellSpa
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SwellSpa is a therapeutic sound app designed by Londonβs award-winning Swell Studio, founded by international DJ and sound therapist Brian dβSouza. It offers purposeful, end-to-end sound experiences designed exclusively for spa treatment rooms, relaxation rooms and hotel bedrooms. Access a range of therapeutic sound options designed to achieve specific outcomes: deep relaxation, emotional uplift, improved sleep or closer connection to nature - the perfect accompaniment to any massage or treatment, or as a touchless wellness experience. KEY FEATURES: SwellSpa has been shown to deliver a range of health benefits: deep relaxation, cognitive insight, emotional uplift, increased happiness and connection with nature. Sound affects the brain and body in multiple ways. Swellβs unique generative technology uses sound therapy, biophilic sound and binaural frequencies to activate the parasympathetic nervous system, reduce heart rate and boost mood. Users can select their desired outcome from the options outlined below: ~To Feel Inspired ~To Connect With Nature ~To Feel Relaxed ~To Help Sleep DESIGNED WITH THE SPA IN MIND: Sounds can be choreographed to match the duration of the treatment and mood of the customer, delivering a novel listening experience on every listen, meaning no more listener fatigue. SwellSpa can also be accessed via iOS devices - typically set up in treatment rooms, listening stations, integrated with an existing AV set up or on vibracoustic furniture. SwellSpa is supported with workshops, training, on-boarding, and continual support through the process. TRANSPORTED BY SOUND: SwellSpa offers multiple βsound journeysβ not generic genres of music - helping to transport the customers to beautiful locations around the world through the power of sound. These include locations in forests or by the sea from The Outer Hebrides to Ibiza, Nepal, Japan, Switzerland, Cape Verde and India. The SwellSpa app puts customers and therapists in control of the experience - the duration of the treatment can be adjusted on the go and the experience becomes more active as a result - raising the value of sound in the treatment room to another level (with no copyright licenses required), and presenting a superior alternative to passive, traditional background music playlists. SCIENTIFICALLY-TESTED: SwellSpa is scientifically tested to reduce stress, lower heart rate, increase cognitive clarity (via the increase of alpha waves) and increase nature connectedness. It achieves this by the unique combination of binaural frequencies which entrain user brain waves, generative technology that adapts to preferences, sound therapy techniques that trigger the parasympathetic nervous system and musical sounds that are created by award-winning musicians. Our research study conducted in partnership with Kinda Studios and Goldsmiths University demonstrated that after only 15 minutes of use, Swellβs soundscape significantly improved relaxation, lowered heart rates, and increased alpha brainwave activity, enhancing creativity and openness. Participants felt more connected to nature, with notable increases in Nature Relatedness (NR) and Nature Connectedness (NC), key to wellbeing and pro-environmental behaviours. The study measured EEG brainwave and heart rate with a detailed questionnaire. ABOUT SWELL: Swell is an award-winning sound and well-being studio based in London, founded by DJ and sound therapist Brian dβSouza. Swell harnesses the power of sound to deliver positive, measurable health benefits for users, combining sound therapy, music composition and nature.
Herizen
This app offers a science-backed sanctuary for women navigating midlife changes like perimenopause and menopause. It provides practical tools, rituals, and community support to enhance clarity, strength, and overall well-being.
- 12-week science-based modules
- Symptom trackers
- Meal and sleep tools
- Rest and focus audios
- Expert webinars
- Community support
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Herizen is your calm, science-backed space for navigating perimenopause, menopause and midlife. Designed by women, for women, Herizen brings personalised tracking, expert guidance, practical tools and real community together in one supportive app. Inside Herizen, you can: β’ Take the Glow Profile quiz to better understand your current phase and personalise your experience β’ Track sleep, mood, energy, symptoms and everyday context to spot patterns over time β’ Follow gentle breast health check guidance and monthly reminders β’ Explore expert-led videos, practical resources and trusted midlife content β’ Follow the Glow Programme at your own pace β’ Join Glow Crews and connect with women navigating similar experiences β’ Read curated midlife news, research and Herizen stories β’ Save useful content and return to what matters most to you Herizen is built to support the whole of midlife - from hormonal change and medically induced menopause to strength, nutrition, sleep, confidence, relationships, fertility, recovery and emotional wellbeing. No pressure. No perfection. No endless searching. Just one calm place to help you understand your body, feel more informed and decide what support feels right for you. Herizen provides wellbeing information and support and is not a substitute for personalised medical advice, diagnosis or treatment. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: SwellSpa at none against Herizen's 2. Herizen's advantage is update cadence (every 3 days vs every 10 months). On price, ads, device support and iOS requirement 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
Both are free to download. Herizen sells 2 in-app purchases, starting at $2.99 per month. SwellSpa asks for nothing beyond the download.
SwellSpa ships an update every 10 months, Herizen every 3 days. The most recent releases landed on October 25, 2026 and October 19, 2026 respectively.
| Parameter | SwellSpa | Herizen |
|---|---|---|
| Price | Free | Free |
| Positive reviews | β | 100.0% of reviews |
| Update frequency | Every 10 months | Every 3 days β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Monetization | β | Subscription |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.1 β better |
| Further details β not scored | ||
| Size | 902 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Swell Studio Ltd | Herizen LTD |
In-app purchases
SwellSpa
No in-app purchases
Herizen
- Herizen$2.991 Month
- Yearly Subscription$25.001 Year









