Comparison

hai vs O

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

hai

This app helps you install and manage a smart shower system. It tracks your water and energy usage, providing insights and tips to reduce environmental impact and encourage self-care rituals. Transform your daily shower into a mindful experience.

Highlights
  • Easy installation guide
  • Track water and energy usage
  • Customize LED eco-goal alerts
  • Mobile alerts for water temperature
  • At-home spa ritual inspiration
Read full description

The hai app guides you through installing your hai smart shower in minutes - no fancy tools or plumber needed. Then pair it with your showerhead to find out why it’s never been more fun to make a difference. You’ll see the eco-impact of your showers’ water use, energy use, temperature and duration – and their collective impact too. Do better for yourself and better for the planet with a wellspring of personal data, insights, inspiration and tips. Let the self-care revolution begin... • Use the companion guide for an easy install • Track your water and energy usage over time • Customize LED alerts to reach your eco goals • Get mobile alerts when your water is at the perfect temp • Elevate your life with new at-home spa rituals This app requires a hai showerhead and an iPhone 6s or later with iOS 13 or later.

About

O

This app uses haptic feedback and acoustic experiences to help manage stress and neural tension. It offers a dual-mode regulation experience through simple tap-and-hold interactions for relaxation and self-awareness.

Highlights
  • Dual-mode neuromodulation
  • Haptic micro-vibrations
  • Frequency-based acoustic experiences
  • Non-invasive digital experience
  • Quantified awareness tracking
  • AI conversation companion
Features
Read full description

O-Origin is a cutting-edge digital wellness and neuromodulation app designed to help users manage everyday somatic stress and neural tension through advanced digital technology. Breaking away from traditional approaches, O-Origin combines high-precision haptic feedback with specially designed frequency-based acoustic experiences to create an immersive, dual-mode regulation experience. Through a simple tap-and-hold interaction, users can experience synchronized micro-vibrations and sound directly through their mobile device, creating a convenient and immersive way to relax, reset, and reconnect with their current state. Core Technologies & Features Dual-Mode Neuromodulation The synergistic design of haptic micro-vibrations and frequency-based acoustic experiences creates a multi-sensory digital experience designed to support relaxation, self-regulation, and greater awareness of one's current state. Non-Invasive Digital Experience No wearable devices are required. O-Origin uses the capabilities of your mobile device to provide convenient, on-demand relaxation sessions that can be practiced during work breaks, before sleep, or whenever you need a moment to reset. Quantified Awareness Tracking Track your O sessions and personal feedback over time, helping you observe patterns and changes in your own relaxation experience and overall state awareness. AI Conversation Companion Use AI-powered conversations to reflect on your current feelings, practice self-awareness, and explore personalized wellness insights based on your experiences. Disclaimer O-Origin is designed to provide digital wellness, relaxation, and self-awareness support. It is not intended to diagnose, treat, cure, or prevent any disease or medical condition, and it does not replace professional medical diagnosis, advice, or treatment. If you experience persistent or severe physical or psychological symptoms, please consult a qualified healthcare professional.

Screenshots

hai4 screens
O3 screens

Verdict

The call

The clearest difference is ads: O at none against hai's shown. O also leads on update cadence (every 5 days vs monthly) and monetization model (free vs ad-supported). hai's advantage is ratings volume (118 vs 1) and iOS requirement (13.0 vs 16.0). On price, rating, review sentiment 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for hai against 5.0 for O. That said, the two scores are not equally well evidenced: hai has 118 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 97% of hai's written reviews are positive against 100% of O's.

UpkeepUpdate frequency

hai ships an update monthly, O every 5 days. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

Scorecard5 real differences · 5 level
hai versus O: the parameters behind the verdict, then further details
ParameterhaiO
PriceFreeFree
Rating4.9 (118 ratings)5.0 (1 ratings) — better
Positive reviews97.4% of reviews100.0% of reviews — better
Number of ratings118 — better1
Update frequencyMonthlyEvery 5 days — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPod — betteriPhone
Requires iOS13.0 — better16.0
Further details — not scored
Size75 MB163 MB
Age rating4+4+
DeveloperGethai, Inc.TEACHERGO CORP

Customer experience

hai

All ratings100 ratings
Positive98.0%
Neutral1.0%
Negative1.0%
Written reviews39 reviews
Positive97.4%
Neutral0.0%
Negative2.6%

O

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

hai

Reported bugs

2 issues
  • App may connect or more often it won't
  • Asks to check WiFi when it works sometimes

Requested features

3 requests
  • Push notifications for water use limit
  • Wi-Fi connectivity instead of Bluetooth
  • Infuse addons

O

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

hai

No in-app purchases

None

O

No in-app purchases

Questions

Is hai free?
hai is free to download, with no in-app purchases.
Is O free?
O is free to download, with no in-app purchases.
Which has better reviews, hai or O?
O is rated higher. hai averages 4.9 out of 5 from 118 ratings, while O averages 5.0 from 1 ratings.
Do hai or O have ads?
hai shows ads; O does not.
Which is updated more often, hai or O?
hai ships an update monthly, and O every 5 days. Most recently, hai was updated on October 24, 2026 and O on October 29, 2026.

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