# Philips Sonicare vs BU

The clearest difference is rating: Philips Sonicare at 4.8 against BU's 1.5. Philips Sonicare also leads on update cadence (every 2 months vs every 22 months) and ratings volume (57K vs 18). BU's advantage is monetization model (free vs free with in-app purchases) and device support (3 vs 1). On price, ads 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.

Philips Sonicare holds the better App Store score, 4.8 against 1.5. That said, the two scores are not equally well evidenced: Philips Sonicare has 57K ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 32% of Philips Sonicare's written reviews are positive against 10% of BU's.

Philips Sonicare ships an update every 2 months, BU every 22 months. The most recent releases landed on September 26, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Philips Sonicare | BU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (57K ratings)](https://appshunter.io/ios/app/philips-sonicare/id1047099766/reviews)** | [1.5 (18 ratings)](https://appshunter.io/ios/app/bu-touch/id1460041261/reviews) |
| Number of ratings | **57K** | 18 |
| Positive reviews | **31.6% of reviews** | 10.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 22 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 210 MB | 53 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Philips](https://appshunter.io/developer/355645429) | [Bains Ultra Inc](https://appshunter.io/developer/1100948158) |

## What reviewers say

### Philips Sonicare

[App page](https://appshunter.io/ios/app/philips-sonicare/id1047099766)

Improve your brushing technique with personalized feedback and guidance. Connect your smart toothbrush to track habits, receive insights, and ensure complete oral hygiene for a healthier mouth and confident smile.

**Highlights:** Personalized brushing insights, Real-time guided brushing, SenseIQ technology adaptation, Mouth mapping and guidance, Brushing habit tracking, Automatic brush head reordering, Apple Health integration

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💎 Amazing toothbrush
- 👍 Cleans teeth very well
- 🚀 Toothbrush technology is great
- 🔍 App provides good brushing guidance
- 🔍 App tracks brushing habits

**What reviewers complain about**

- 🐛 App is buggy and crashes frequently
- 🐛 App has connectivity issues with toothbrush
- 🐛 App doesn't accurately track brushing
- 🔒 Privacy concerns with app data collection
- 💸 App is not worth the high cost of toothbrush

**Reported bugs**

- App crashes when connecting to toothbrush
- App fails to recognize brushing in certain areas
- App loses connection to toothbrush frequently
- Firmware updates cause app to stop working
- App doesn't sync brushing history accurately

**Requested features**

- Add Apple Watch integration
- Allow customization of brushing settings
- Improve app responsiveness and stability
- Provide better feedback on missed brushing areas
- Enable offline brushing data tracking


### BU

[App page](https://appshunter.io/ios/app/bu-touch/id1460041261)

Control your Thermomasseur bath's hydro-thermo massage, heated seating, chromatherapy, and drying cycles directly from your mobile device. This app offers a convenient way to manage all therapy options for a personalized spa experience at home.

**Highlights:** Navigate therapy options, Activate Hydro-thermo Massage®, Set heated backrest/headrest temperature, Select chromatherapy colors, Program drying cycle

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Philips Sonicare free?

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

### Is BU free?

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

### Which has better reviews, Philips Sonicare or BU?

Philips Sonicare is rated higher. Philips Sonicare averages 4.8 out of 5 from 57K ratings, while BU averages 1.5 from 18 ratings.

### Do Philips Sonicare or BU have ads?

Neither Philips Sonicare nor BU shows ads.

### Which is updated more often, Philips Sonicare or BU?

Philips Sonicare ships an update every 2 months, and BU every 22 months. Most recently, Philips Sonicare was updated on September 26, 2026 and BU on September 9, 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.*