Apollo Neuro vs Depth Ecology
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Apollo Neuro
This app uses silent sound wave vibrations to improve calm, focus, energy, and sleep. It offers instant stress relief and can be enhanced with a wearable device for deeper, long-term wellness benefits. Track your progress and integrate with other health apps.
- Silent sound wave vibrations
- Instant stress relief
- Improved calm and focus
- Enhanced energy and sleep
- Progress tracking
- Smart health integrations
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Feel Better, Backed by Science Apollo Neuro is the first science-backed technology that improves calm, focus, energy, and sleep. Apollo’s patented silent sound wave vibrations remind your body how to feel good, anytime, anywhere, by strengthening your resilience to stress and boosting vagus nerve activity through our sense of touch. Discover two powerful ways to experience Apollo: Meet Apollo Sessions – Instant Stress Relief Right from Your iPhone New to Apollo? Your journey to calm starts here. Apollo Sessions instantly transforms your iPhone into your personal wellness champion for FREE, using gentle, silent sound wave vibrations to quickly shift how you feel, without any additional hardware. • Instantly calm your mind or boost your energy • Easy to use—just download the app and open it on your iPhone • Start feeling better right away with a free trial Popular Sessions: • Espresso Shot – A caffeine-free boost for your day • Relax – Quickly unwind after stress • Let's Go – Enhance focus and clarity • Good Vibes – Ease into social settings Take Wellness Further with the Apollo Wearable – The Premium Experience Ready to go deeper? The Apollo wearable is the ultimate tool for continuous, scientifically validated stress relief and wellness improvement. It gently retrains your nervous system over time, enhancing resilience and overall well-being: • Reduce stress and anxiety • Improve sleep quality, fall asleep faster • Enhance focus and clarity • Accelerate physical recovery • Increase HRV for long-term wellness Why Choose the Wearable? Crafted by neuroscientists and physicians, Apollo’s wearable offers proven results. The more consistently you use it, the better you'll feel—physically, mentally, and emotionally. How Apollo Vibes™ Work: Apollo's gentle vibrations act like soothing music for your nervous system. Higher frequencies elevate your energy and sharpen your focus, while lower frequencies promote relaxation and deep sleep. Simply choose your vibe and let Apollo do the rest: • Energy – Stay energized and alert • Unwind – Effortlessly relax • Focus – Maintain clear, steady concentration • Sleep – Drift naturally into restful sleep • Recover – Recharge faster after workouts Key Features: • Custom Scheduling – Tailored vibes for your day • Progress Tracking – Visualize your improvement in sleep, stress, and focus • Smart Integrations – Seamlessly connects with Oura Ring, Apple Health, and more Science-Backed. Expert-Approved. Life-Changing. “With consistent use, Apollo helps your nervous system adapt, improving stress resilience and more. It sounds futuristic, but we're thrilled (and amazed) it truly works.” – Robb Report "Apollo’s effectiveness for extreme stress was clear from my very first session." – Men's Health "Designed to reduce stress and recalibrate the nervous system." – Wall Street Journal Awards: • Best of the Best, 2024 – Robb Report • Editors' Choice, 2023 – Well and Good • Best of CNET, 2023 – CNET • The Quality Edit Editors Pick, 2024 – Quality Edit Begin Your Apollo Journey: Download Apollo Sessions today, instantly find calm, and explore how the Apollo wearable can elevate your wellness journey.
Depth Ecology
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Depth Ecology is a journal for the inner work — a quiet place to notice what moves through you, and to see, over time, the patterns underneath. No account, no sign-up, no password. Open it and start writing. The practice has three movements, and the app follows them. NOTICE AND RECORD Two kinds of entry, both quick to make: • Observations — what arises within you: dreams, bodily sensations, thoughts, feelings, impressions of your surroundings, and impulses. • Life events — the outer happenings: significant moments, turning points, anything that happened, dated as precisely as you remember them: a year, a month, or a day. When writing is too slow, dictate instead. Speech is transcribed on your own phone; if you would rather have Apple's more accurate transcription, you can switch on Online dictation in Settings. DRAW OUT SYMBOLS From the words in your own entries, pull out the recurring images and themes that carry meaning for you. Long-press a word and it becomes a symbol, linked back to every entry that mentions it — so the threads between entries become visible without you having to hold them in your head. Each one can be a symbol, a person or a place, and the people and places you name on a life event link up too, so "Amy" or "Home" gathers every entry it belongs to. SEE THE PATTERNS Observations, life events and symbols are laid out together on a timeline, so you can watch how they rise and fall across weeks, months and years. TAKE IT INTO A SESSION Export a PDF over any date range to bring to your coach. It is produced on your device, and shared only if you choose to send it. KEPT SAFE IN YOUR OWN iCLOUD A journal you might lose is a journal you write in differently. Depth Ecology saves a copy to the private area of your own iCloud whenever something changes — you never have to remember to do it — and offers your journal back when you open the app on a new iPhone. It goes to your iCloud, not to us: we run no server, so there is no copy of your writing anywhere we could reach. NOTHING COLLECTED, NOTHING TRACKED There is no account to sign in to and nothing for us to hold. There is no analytics, advertising or tracking code in this app of any kind. On the phone itself your entries are protected by iOS, which keeps the app's files encrypted while your device is locked — so it is worth having a passcode set. SUBSCRIPTION Depth Ecology is a subscription, and it starts with one week free: • Monthly — €8.00 per month • Annual — €80.00 per year Prices are in euros and may vary by region; your local price is shown before you confirm. Payment is charged to your Apple ID at confirmation of purchase. A subscription renews automatically unless you turn off auto-renew at least 24 hours before the period ends, and you can manage or cancel it at any time in your Apple ID settings. If a subscription ends, your journal stays. You keep reading it, searching it and exporting it, and the backup keeps running — we are not willing to let anyone lose a journal over a lapsed subscription. What renewing brings back is writing new entries. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://depthecology.personalis.io/privacy/ A guiding principle runs through the whole app: logging should be quick and almost effortless. Capture the thing in the moment; the meaning can come later. Depth Ecology accompanies Dr Hélène Smit's Depth Ecology practice.
Screenshots
Verdict
The clearest difference is device support: Apollo Neuro at 4 against Depth Ecology's 2. On price, update cadence, ads 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. Apollo Neuro sells 3 in-app purchases, starting at $89.99 per year and Depth Ecology sells 2 in-app purchases, starting at $7.00 per month. Whichever you choose, the download price is not the number that matters.
Apollo Neuro ships an update every 3 weeks, Depth Ecology monthly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | Apollo Neuro | Depth Ecology |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (1.9K ratings) — better | — |
| Positive reviews | 62.2% of reviews | — |
| Number of ratings | 1.9K — better | — |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 650 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Apollo Neuro | Sylvan Smit |
Bugs and requests
Apollo Neuro
Reported bugs
4 issues- Scheduled sessions not always starting as planned
- Bluetooth connectivity issues and device not pairing properly
- App crashes, freezes, and general instability
- Usage data not tracking accurately in the app
Requested features
5 requests- Apple Watch integration for easier control
- More customization options for schedules and modes
- Longer duration for programs and vibration patterns
- Improved sleep tracking and integration with other health apps
- Ability to use device without the app
Depth Ecology
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Apollo Neuro
- Sessions Premium (Yearly)7 Days trial$89.991 Year
- SmartVibes One Year1 Month trial$99.991 Year
- Apollo Pro - Yearly$159.991 Year
Depth Ecology
- Depth Ecology Monthly7 Days trial$7.001 Month
- Depth Ecology Annual7 Days trial$70.001 Year









