# WaterSounds vs PrePass

The clearest difference is review sentiment: WaterSounds at 87% against PrePass's 19%. WaterSounds also leads on rating (4.8 vs 3.0) and ratings volume (603 vs 14). PrePass's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. WaterSounds sells 3 one-off in-app purchases. PrePass asks for nothing beyond the download.

WaterSounds holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: WaterSounds has 603 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 87% of WaterSounds's written reviews are positive against 19% of PrePass's.

WaterSounds ships an update every 3 months, PrePass every 3 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | WaterSounds | PrePass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (603 ratings)](https://appshunter.io/ios/app/watersounds/id1260518740/reviews)** | [3.0 (14 ratings)](https://appshunter.io/ios/app/prepass/id1640132445/reviews) |
| Number of ratings | **603** | 14 |
| Positive reviews | **86.7% of reviews** | 18.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 65 MB | 30 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Tomohiro Ohwada](https://appshunter.io/developer/991660409) | [PrePass](https://appshunter.io/developer/1315781716) |

## What reviewers say

### WaterSounds

[App page](https://appshunter.io/ios/app/watersounds/id1260518740)

Experience healing and relaxation with a variety of soothing water sounds. This app supports background playback and features an automatic stop timer, making it ideal for sleep, meditation, or focused study.

**Highlights:** Variety of water sounds, Background playback, Automatic stop timer, Widget timer support, Healing and relaxation

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| Development support | $1.99 | one-time |
| Remove Ads & Support | $2.99 | one-time |

**What reviewers like**

- 🎵 Authentic, high-quality water and nature sounds
- 🎚️ Adjustable volume control for individual sounds
- 🔀 Ability to layer multiple sounds simultaneously
- ⏱️ Built-in customizable timer feature
- 😴 Effective for relaxation and sleep

**What reviewers complain about**

- 🐛 Inconsistent playback - sounds don't play reliably
- 📖 Lack of help documentation or instructions
- 🔊 Volume levels vary inconsistently between sounds
- 🔋 Limited sound selection compared to user expectations

**Reported bugs**

- Sounds fail to play intermittently
- App stops working unexpectedly
- Inconsistent audio output across different sound selections

**Requested features**

- Headset play/pause button support
- AirPlay support
- Water fountain sounds (including tiered backyard fountains)
- Lake and pond sound options
- Stream and brook sound options


### PrePass

[App page](https://appshunter.io/ios/app/prepass/id1640132445)

This navigation app allows pre-cleared commercial vehicles to bypass weigh stations using a mobile device or transponder. It offers time and fuel savings, improved efficiency, and enhanced highway safety. Users can select bypass options and receive customizable alerts.

**Highlights:** Weigh station bypass via mobile app, Transponder option for enhanced reliability, Works at fixed and mobile weigh stations, Customizable alerts for parking, safety, traffic, weather, Nationwide toll payment processing with transponder, Access to customer support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is WaterSounds free?

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

### Is PrePass free?

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

### Which has better reviews, WaterSounds or PrePass?

WaterSounds is rated higher. WaterSounds averages 4.8 out of 5 from 603 ratings, while PrePass averages 3.0 from 14 ratings.

### Do WaterSounds or PrePass have ads?

WaterSounds shows ads; PrePass does not.

### Which is updated more often, WaterSounds or PrePass?

WaterSounds ships an update every 3 months, and PrePass every 3 weeks. Most recently, WaterSounds was updated on October 29, 2026 and PrePass on October 30, 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.*