# Sleep Tracker App vs Water Bunny

The clearest difference is iOS requirement: Sleep Tracker App at 17.6 against Water Bunny's 26.2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Sleep Tracker App sells 1 one-off in-app purchase and Water Bunny sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Sleep Tracker App | Water Bunny |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (8 ratings)](https://appshunter.io/ios/app/sleep-tracker-app-sleepsimple/id6759478962/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free | — |
| Size | 11 MB | 17 MB |
| Requires iOS | **17.6** | 26.2 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ronald Lumor](https://appshunter.io/developer/1874119930) | [Popcorn Labs Inc.](https://appshunter.io/developer/685049320) |

## What reviewers say

### Sleep Tracker App

[App page](https://appshunter.io/ios/app/sleep-tracker-app-sleepsimple/id6759478962)

This app offers simple, manual sleep tracking by recording your bedtime and wake-up times. It provides clear summaries and insights into your sleep patterns without requiring wearables or cloud storage. All data is kept private and offline on your device.

**Highlights:** Manual sleep and nap recording, Chronological sleep history, Daily, weekly, monthly averages, Custom date-range summaries, Optional notes for sleep sessions, Home screen widget for quick access, Data export functionality

**Features:** macOS Compatibility, Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sleep Tracker Pro | $3.99 | one-time |


### Water Bunny

[App page](https://appshunter.io/ios/app/water-bunny-hydration-tracker/id6760983007)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Water Bunny Pro | $2.99 | one-time |


## Frequently asked questions

### Is Sleep Tracker App free?

Sleep Tracker App is free to download, with in-app purchases available.

### Is Water Bunny free?

Water Bunny is free to download, with in-app purchases available.

### Do Sleep Tracker App or Water Bunny have ads?

Neither Sleep Tracker App nor Water Bunny shows ads.

### Which is updated more often, Sleep Tracker App or Water Bunny?

Sleep Tracker App ships an update every 4 months, and Water Bunny every 4 months. Most recently, Sleep Tracker App was updated on November 9, 2026 and Water Bunny on November 5, 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.*