# NightBell vs Habit Tracker H2Ogo

The clearest difference is device support: NightBell at 2 against Habit Tracker H2Ogo's —. NightBell also leads on iOS requirement (16.0 vs 18.0). On price 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.

## The numbers

| Metric | NightBell | Habit Tracker H2Ogo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/nightbell/id6449867229/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 11 days | — |
| Monetization | Free | — |
| Size | 4 MB | 13 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | **iPhone, Apple Watch** | — |
| Age rating | 4+ | 4+ |
| Developer | [Irina Deeva](https://appshunter.io/developer/1752270459) | [Paul Polino](https://appshunter.io/developer/6772851573) |

## What reviewers say

### NightBell

[App page](https://appshunter.io/ios/app/nightbell/id6449867229)

This app monitors for sleepwalking episodes using motion sensors. It triggers a gentle alarm to wake you and can alert household members. A unique task-based system on a smartwatch helps differentiate between sleepwalking and being awake to prevent false alarms.

**Highlights:** Sleepwalking detection via motion sensors, Gentle alarm to wake user, Household member alerts, Smartwatch task for false alarm prevention, Designed for sleepwalker safety

**Features:** macOS Compatibility

**In-app purchases:** none


### Habit Tracker H2Ogo

[App page](https://appshunter.io/ios/app/habit-tracker-h2ogo/id6772851571)

**In-app purchases:** none


## Frequently asked questions

### Is NightBell free?

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

### Is Habit Tracker H2Ogo free?

Habit Tracker H2Ogo is free to download, with no in-app purchases.

---

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