Comparison

BLÜ vs Ocean

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

Head to head
About

BLÜ

This app, paired with a smart toothbrush, helps users and their families develop better oral hygiene habits. It uses advanced tracking to ensure complete coverage, offers personalized recommendations, and allows sharing data with dental professionals. Gamified features encourage consistent brushing for all ages.

Highlights
  • Brush location detection with smart tracking
  • Family monitoring and peer competition
  • Personalized brushing recommendations
  • Dentist/hygienist data sharing
  • Smart brushing timer (2 minutes)
  • Brush head replacement alerts
Features
Read full description

OUR STORY: BLU toothbrush app and smart toothbrush was created by dental professionals to help you and your family develop better brushing and oral care habits. Half of American adults suffer from periodontal disease which has been linked to many diseases such as heart disease and diabetes. We made it our mission to create a fun effective way to better oral care. BLU APP and SMART TOOTHBRUSH BENEFITS: o You will have a beautiful and healthy smile that makes you feel confident o Take control over your dental hygiene at home, so you have better dental visits o Give your dentist the deepest insight into the root causes of dental problems so they can be avoided o A fun and cool way to teach your children a good dental hygiene routine that will last a lifetime BLU APP FEATURES: o BLU BRUSH LOCATION DETECTION TECHNOLOGY USING SMART TRACKING Using 16 sensor areas of detection enables live tracking of brushing areas in the mouth, highlights where you've brushed, takes you back to any missed spots for 100% coverage o FAMILY AND PEER CONNECT A parent can link their children’s BLU toothbrush to their app to monitor how well they brushed and what areas they missed. BLU can be set to send a notification if a child did not brush their teeth. BLU users can connect their BLU toothbrushes to compare brushing results and compete for higher score, this can be a fun game with great health benefit. o CONTINUOUS BRUSHING LOGIC Go back and finish brushing the areas you missed for 100% coverage. o DENTIST / HYGIENIST CONNECT You can share your brushing history and results with your dentist and hygienist o PERSONALIZED BRUSHING EXPERIENCE BLU suggests brushing recommendations based on your personal history and goals, for example if you drink red wine BLU selects whitening mode for your brush o SMART BRUSHING TIMER Ensures you brush for 2 minutes according to the ADA recommendations. o BRUSHING DASHBOARD AND HISTORY Displays your brushing history, frequency and displays visually the areas you usually miss o WHEN TO CHANGE THE BRUSH HEAD BLU alerts you every 3 months per ADA recommendations to change your brush heads. We offer replacement heads ordering through the app or you can enroll in BLU auto ship program for convenience o POWER CHARGE LEVEL Displays remaining charge on your BLU toothbrush

About

Ocean

This app streamlines the therapy process for both parents and therapists. It offers easy scheduling, instant communication, secure bill payment, and a gallery to save session memories. Therapists can efficiently manage their appointments and document notes.

Highlights
  • Easy booking of time slots
  • Instant communication with therapists
  • Secure bill payment and statement checking
  • Moments Gallery for session memories
  • Schedule management for therapists
  • Voice-to-text note documentation
Features
Read full description

Parents, Simplify your parenting! • Easily book time slots that fit your schedule • Instant communication with therapists • Pay bills and check statements instantly • Relive session memories in the Moments Gallery Therapists, Save time and make therapy more efficient! • Manage your schedule at your fingertips • Message parents instantly for quick updates. • Document daily notes quickly using voice • Share session memories as media Download Ocean Friends App now and make your therapy journey smoother and smarter!

Screenshots

BLÜ4 screens
Ocean4 screens

Verdict

The call

The clearest difference is rating: Ocean at 4.9 against BLÜ's 3.5. Ocean also leads on review sentiment (95% vs 55%) and update cadence (every 3 days vs fortnightly). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Ocean holds the better App Store score, 4.9 against 3.5. That said, the two scores are not equally well evidenced: Ocean has 1.1K ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 55% of BLÜ's written reviews are positive against 95% of Ocean's.

UpkeepUpdate frequency

BLÜ ships an update fortnightly, Ocean every 3 days. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.

Scorecard4 real differences · 6 level
BLÜ versus Ocean: the parameters behind the verdict, then further details
ParameterBLÜOcean
PriceFreeFree
Rating3.5 (17 ratings)4.9 (1.1K ratings) — better
Positive reviews54.5% of reviews95.0% of reviews — better
Number of ratings171.1K — better
Update frequencyFortnightlyEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better13.4
Further details — not scored
Size18 MB109 MB
Age rating4+12+
DeveloperTim DiastiOcean Friends Inc

Customer experience

BLÜ

All ratings15 ratings
Positive66.7%
Neutral6.7%
Negative26.7%
Written reviews11 reviews
Positive54.5%
Neutral9.1%
Negative36.4%

Ocean

All ratings1,107 ratings
Positive98.5%
Neutral0.5%
Negative1.1%
Written reviews120 reviews
Positive95.0%
Neutral0.8%
Negative4.2%

In-app purchases

None

BLÜ

No in-app purchases

None

Ocean

No in-app purchases

Questions

Is BLÜ free?
BLÜ is free to download, with no in-app purchases.
Is Ocean free?
Ocean is free to download, with no in-app purchases.
Which has better reviews, BLÜ or Ocean?
Ocean is rated higher. BLÜ averages 3.5 out of 5 from 17 ratings, while Ocean averages 4.9 from 1.1K ratings.
Do BLÜ or Ocean have ads?
Neither BLÜ nor Ocean shows ads.
Which is updated more often, BLÜ or Ocean?
BLÜ ships an update fortnightly, and Ocean every 3 days. Most recently, BLÜ was updated on November 6, 2026 and Ocean on November 8, 2026.

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