# hai vs POPLIGHT

The clearest difference is review sentiment: hai at 97% against POPLIGHT's 8%. hai also leads on rating (4.9 vs 1.6) and iOS requirement (13.0 vs 15.0). POPLIGHT's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, update cadence and in-app purchases 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 1.6. Both are backed by a comparable volume of ratings — 118 and 150 respectively. Written reviews point the same way: 97% of hai's written reviews are positive against 8% of POPLIGHT's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | hai | POPLIGHT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (118 ratings)](https://appshunter.io/ios/app/hai-smart-spa-shower-system/id1567377425/reviews)** | [1.6 (150 ratings)](https://appshunter.io/ios/app/poplight/id6484317705/reviews) |
| Number of ratings | 118 | **150** |
| Positive reviews | **97.4% of reviews** | 7.8% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | Monthly |
| Monetization | Ad-supported | **Free** |
| Size | 75 MB | 27 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gethai, Inc.](https://appshunter.io/developer/1567377817) | [Poplight LLC](https://appshunter.io/developer/1740591008) |

## What reviewers say

### 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


### POPLIGHT

[App page](https://appshunter.io/ios/app/poplight/id6484317705)

This app provides a convenient and affordable way to achieve the look of wall lighting without the complexities of traditional installation. It's ideal for renters concerned about damage and homeowners seeking a simpler, less expensive alternative.

**Highlights:** Easy installation, No mess or expense, Removable for renters, Cost-effective for homeowners, Protects security deposits

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💡 Cute lights concept
- 👍 Easy setup
- ✅ App works sometimes

**What reviewers complain about**

- 🐛 App is buggy and unreliable
- 🐛 Connectivity issues
- 🐛 Lights turn off unexpectedly
- 🐛 App is not intuitive
- 🐛 Controls are not easily accessible

**Reported bugs**

- Lights not turning on/off
- App losing connection frequently
- Lights turning off by themselves
- Timer not working
- Grouping lights not working correctly

**Requested features**

- Apple HomeKit integration
- Widget for quick control
- Remote control accessory
- Darker light temperature option
- Improved timer functionality


## Frequently asked questions

### Is hai free?

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

### Is POPLIGHT free?

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

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

hai is rated higher. hai averages 4.9 out of 5 from 118 ratings, while POPLIGHT averages 1.6 from 150 ratings.

### Do hai or POPLIGHT have ads?

hai shows ads; POPLIGHT does not.

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

hai ships an update monthly, and POPLIGHT monthly. Most recently, hai was updated on November 3, 2026 and POPLIGHT on November 4, 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.*