WellStream vs Mayo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WellStream
Measure and track your daily mental wellbeing with interactive quizzes. Identify life factors impacting your mood and gain insights to cultivate a healthier lifestyle. Explore your self-awareness and build a path to personal wellness.
- Daily mental wellbeing quiz
- Track mental wellbeing over time
- Map life factors impacting mood
- Deepen self-knowledge
- Create a wellness lifestyle
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WellStream is the world's first app to measure daily mental wellbeing - instantly and accurately. - Use the daily quiz to measure and track your mental wellbeing. - Add Streams to map out which parts of your life are good or bad for you. - Deepen self-knowledge and create your own lifestyle of amazing wellness. Includes 14-day free trial of WellStream Premium. MEDICAL DISCLAIMER This app “WellStream” is intended for informational, educational, and self-knowledge purposes. The app provides only information that is not medical or treatment advice and may not be treated as such by the user. The app may not be relied upon to make any medical diagnosis or recommendation for medical care of treatment. The information on this app is not a substitute for professional medical advice, diagnosis, or treatment. You are strongly encouraged to confirm any information obtained from or through this app with your professional healthcare provider and to review all information regarding any medical condition or treatment with your professional healthcare provider. You must never disregard professional medical advice or delay seeking medical treatment as result of any information you have seen on or accessed through this app. If you have any specific questions about any medical matter you should consult your professional healthcare provider. If you think you may be suffering from any medical condition you should seek immediate medical attention.
Mayo
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Mayo is your personal discipline companion. He learns from your day, body, sleep, and routines, then turns them into playful nudges that regulate your nervous system and make discipline feel natural. WHAT MAYO DOES • Reads your real signals: recovery, sleep, heart rate patterns, and how you show up • Uses your calendar to prepare you before important moments and help you recover after dense stretches • Offers one clear next move at a time: a short breath, a walk, a reset, or quiet support • Celebrates progress without pressure, guilt, or overwhelm ON IPHONE Today is Mayo. One living companion. One short message. One useful action. Mayo stays with you through the day, learns your patterns, and keeps guidance simple, warm, and specific to you. ON APPLE WATCH Mayo lives on your wrist. No dense dashboards. Just Mayo, one line of context, one metric or countdown when it matters, and one primary action. Start a reset before a Key Moment, settle after training, or stay quiet when you do not need anything. BUILT AROUND YOUR NERVOUS SYSTEM • Regulation Score and body signals that stay readable • Practices you can finish in minutes • Personal insights that grow as Mayo learns what actually helps you START FREE Mayo does not shout. He does not pile on tasks. He plays your day with you, one calm, useful move at a time. Subscription & Pricing Mayo offers a 7-day free trial to experience the app. Monthly: $6.99 USD Yearly: $69.99 USD (save ~17% vs. monthly) Prices may vary by region. Billing & Renewal: Payment is charged to your Apple ID at purchase confirmation. Subscriptions auto-renew unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://playmayo.com/privacy
Screenshots
Verdict
The clearest difference is update cadence: Mayo at every 6 days against WellStream's every 4 weeks. WellStream's advantage is iOS requirement (12.0 vs 18.2). On price, ads, in-app purchases 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. WellStream sells 2 in-app purchases, starting at $14.99 per month and Mayo sells 4 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.
WellStream ships an update every 4 weeks, Mayo every 6 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.
| Parameter | WellStream | Mayo |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 weeks | Every 6 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Requires iOS | 12.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 77 MB | 74 MB |
| Age rating | 12+ | 17+ |
| Developer | NOTHING IS OBVIOUS LIMITED | Mizu Health Ltd |
In-app purchases
WellStream
- WellStream Premium$14.991 Month
- WellStream Annual$89.991 Year
Mayo
- Monthly Premium Subscription7 Days trial$9.991 Month
- Pro Monthly7 Days trial$19.991 Month
- Yearly Premium Subscription7 Days trial$69.001 Year
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- Pro Yearly - 40% Off7 Days trial$139.991 Year









