# TROVA vs hai

The clearest difference is ads: TROVA at none against hai's shown. hai's advantage is monetization model (ad-supported vs paid) and ratings volume (118 vs 35). On price, rating, review sentiment and update cadence there is nothing between them.

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 4.7. Both are backed by a comparable volume of ratings — 35 and 118 respectively. Written reviews point the same way: 95% of TROVA's written reviews are positive against 97% of hai's.

TROVA ships an update every 2 weeks, hai monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | TROVA | hai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (35 ratings)](https://appshunter.io/ios/app/trova/id1410649535/reviews) | **[4.9 (118 ratings)](https://appshunter.io/ios/app/hai-smart-spa-shower-system/id1567377425/reviews)** |
| Number of ratings | 35 | **118** |
| Positive reviews | 95.2% of reviews | **97.4% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Paid | **Ad-supported** |
| Size | 34 MB | 75 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Trova](https://appshunter.io/developer/1410649534) | [Gethai, Inc.](https://appshunter.io/developer/1567377817) |

## What reviewers say

### TROVA

[App page](https://appshunter.io/ios/app/trova/id1410649535)

This smart storage solution offers secure, discreet, and portable containment for personal items. It utilizes biometric scanning and Bluetooth connectivity for access control, with a "never lost" feature to track its last known location. Receive notifications to ensure contents remain private.

**Highlights:** Biometric unlocking, Bluetooth connectivity, GPS location tracking, Time-based open notifications, Lock/Unlock functionality, Battery life indicator

**Features:** macOS Compatibility

**In-app purchases:** none


### hai

[App page](https://appshunter.io/ios/app/hai-smart-spa-shower-system/id1567377425)

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

**In-app purchases:** none

**What reviewers like**

- 💡 App usefulness for shower head
- 👍 Easy to use and install
- 📈 Water usage tracking
- 💧 Water savings conscious
- ✨ Neat hydro turbine charging

**What reviewers complain about**

- 🐛 App connection issues
- 🐛 App doesn't always connect
- 🐛 Bluetooth requires phone nearby
- 🐛 Slight hum from impeller

**Reported bugs**

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

**Requested features**

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


## Frequently asked questions

### Is TROVA free?

TROVA is free to download, with no in-app purchases.

### Is hai free?

hai is free to download, with no in-app purchases.

### Which has better reviews, TROVA or hai?

hai is rated higher. TROVA averages 4.7 out of 5 from 35 ratings, while hai averages 4.9 from 118 ratings.

### Do TROVA or hai have ads?

hai shows ads; TROVA does not.

### Which is updated more often, TROVA or hai?

TROVA ships an update every 2 weeks, and hai monthly. Most recently, TROVA was updated on October 24, 2026 and hai on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*