hai vs Pebble Core
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Easy installation guide
- Track water and energy usage
- Customize LED eco-goal alerts
- Mobile alerts for water temperature
- At-home spa ritual inspiration
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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.
Pebble Core
Manage your Pebble smartwatch, Index 01 ring, and other Core Devices products. Pair devices, customize settings, and explore a gallery of watchfaces, apps, and tools. Sync health data and control notifications.
- Bluetooth pairing
- Watchface and app gallery
- Firmware updates
- Notification control
- Health data sync
- Developer tools
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Pebble Core is the official iPhone app for managing your Pebble smartwatch, Pebble Index 01 ring and other Core Devices products. Pair your watch and/or ring, customize your settings, and discover a growing ecosystem of watchfaces, apps, and tools designed for your device. Features include: • Bluetooth pairing and reconnection • Watchface and app gallery browsing • Firmware updates and bug reporting • Notification control and preferences • Health data sync (steps, sleep, heart rate*) • Developer tools for sideloading and debugging This app supports all Core Devices smartwatches (Pebble 2 Duo, Pebble Time 2, Pebble Round 2), Pebble Index 01 ring, and older Pebble models (Pebble, Pebble Steel, Pebble Time, Time Steel, Time Round, and Pebble 2) Built for long battery life, fast sync, and full compatibility. This app is open source - https://github.com/coredevices/mobileapp.
Screenshots
Verdict
The clearest difference is ads: Pebble Core at none against hai's shown. Pebble Core also leads on update cadence (every 10 days vs monthly) and monetization model (free vs ad-supported). hai's advantage is review sentiment (97% vs 67%) and rating (4.9 vs 4.4). On price, ratings volume, 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. Neither carries in-app purchases, so what you see is what you pay.
hai holds the better App Store score, 4.9 against 4.4. Both are backed by a comparable volume of ratings — 118 and 77 respectively. Written reviews point the same way: 97% of hai's written reviews are positive against 67% of Pebble Core's.
hai ships an update monthly, Pebble Core every 10 days. The most recent releases landed on November 3, 2026 and November 12, 2026 respectively.
| Parameter | hai | Pebble Core |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (118 ratings) — better | 4.4 (77 ratings) |
| Positive reviews | 97.4% of reviews — better | 67.4% of reviews |
| Number of ratings | 118 — better | 77 |
| Update frequency | Monthly | Every 10 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 75 MB | 166 MB |
| Age rating | 4+ | 12+ |
| Developer | Gethai, Inc. | Core Devices LLC |
Customer experience
hai
Pebble Core
User reviews
hai
From 118 App Store ratingsWhat we love
- 💡 App usefulness for shower head
- 👍 Easy to use and install
- 📈 Water usage tracking
- 💧 Water savings conscious
- ✨ Neat hydro turbine charging
Room to improve
- 🐛 App connection issues
- 🐛 App doesn't always connect
- 🐛 Bluetooth requires phone nearby
- 🐛 Slight hum from impeller
Pebble Core
From 77 App Store ratingsWhat we love
- 🚀 Usable for basic functionality
- 👍 Works great
- 👍 No issues since installing
- 👍 Supports legacy Pebble watches
- 👍 Excited for the future
Room to improve
- 🔒 Requires restrictive Rebble login
- 🔒 Violates privacy
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
Pebble Core
Reported bugs
1 issue- None mentioned
Requested features
1 request- Standard email registration option
In-app purchases
hai
No in-app purchases
Pebble Core
No in-app purchases









