Comparison

WaterSounds vs PrePass

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

WaterSounds

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
Read full description

It is an application that provides healing by water sound. Enjoy various water sounds. If you have any requests such as "I want this kind of water sound", please let me know in the review! ■ Features ・ Supports background playback ・ Automatic stop by widget timer is possible ■ Usage scene ・ When sleep is introduced ・ At the time of relaxation such as yoga, meditation ・ When you want to concentrate on study

About

PrePass

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
Read full description

The PrePass app gives drivers the option to bypass weigh stations using a mobile device. PrePass is the most reliable, widely utilized weigh station bypass system in North America. With PrePass, pre-cleared vehicles can continue at highway speeds without having to stop. PrePass not only saves fleets time, fuel, and money, but it helps create greater efficiencies for shippers and supports improved safety for all highway users. With PrePass, customers select whether to use the PrePass app, the transponder or BOTH. The PrePass app provides coverage to an expanded number of weigh station sites while the transponder provides greater bypass reliability and integration with NORPASS and Oregon Green Light weigh station locations. The transponder also provides the option of adding toll payment services through PrePass Plus. PrePass is an endorsed featured product of the American Trucking Associations ATA) and is also endorsed by the Owner Operator Independent Drivers Association (OOIDA), Truckers Service Association (TSA), National Association of Small Trucking Companies (NASTC) and state trucking associations across the country. - The most bypassing options with a mobile app and a transponder - Works at fixed and mobile weigh stations - Includes customizable alerts for parking, safety, traffic and weather - Transponder can also be used for nationwide toll payment processing - Includes Florida agriculture inspection facilities upon request - Access to PrePass customer support - Last recall feature provides last bypass confirmation For more information log on to the PrePass website at: https://prepass.com/services/weigh-station-bypass-service/ Facebook: https://www.facebook.com/PrePassForum/ Instagram: https://www.instagram.com/prepass/

Screenshots

WaterSounds2 screens
PrePass4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard7 real differences · 3 level
WaterSounds versus PrePass: the parameters behind the verdict, then further details
ParameterWaterSoundsPrePass
PriceFreeFree
Rating4.8 (603 ratings) — better3.0 (14 ratings)
Positive reviews86.7% of reviews — better18.8% of reviews
Number of ratings603 — better14
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better16.4
Further details — not scored
Size65 MB30 MB
Age rating4+4+
DeveloperTomohiro OhwadaPrePass

Customer experience

WaterSounds

All ratings597 ratings
Positive96.8%
Neutral2.3%
Negative0.8%
Written reviews45 reviews
Positive86.7%
Neutral4.4%
Negative8.9%

PrePass

All ratings12 ratings
Positive58.3%
Neutral0.0%
Negative41.7%
Written reviews16 reviews
Positive18.8%
Neutral0.0%
Negative81.3%

Bugs and requests

WaterSounds

Reported bugs

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

Requested features

7 requests
  • Headset play/pause button support
  • AirPlay support
  • Water fountain sounds (including tiered backyard fountains)
  • Lake and pond sound options
  • Stream and brook sound options
Show 2 more
  • More river and waterfall variations
  • Increased maximum volume levels

PrePass

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

WaterSounds

One-time3
  • Remove Ads$1.99
  • Development support$1.99
  • Remove Ads & Support$2.99
None

PrePass

No in-app purchases

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.

Other comparisons