# HOTO vs Laifen

The clearest difference is update cadence: Laifen at every 3 weeks against HOTO's every 20 months. Laifen also leads on rating (2.4 vs 2.2) and ratings volume (79 vs 10). HOTO's advantage is iOS requirement (11.0 vs 15.0). On price, review sentiment, 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.

Laifen holds the better App Store score, 2.4 against 2.2. That said, the two scores are not equally well evidenced: Laifen has 79 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 24% of HOTO's written reviews are positive against 28% of Laifen's.

HOTO ships an update every 20 months, Laifen every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | HOTO | Laifen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.2 (10 ratings)](https://appshunter.io/ios/app/hoto/id1631957908/reviews) | **[2.4 (79 ratings)](https://appshunter.io/ios/app/laifen/id6463205325/reviews)** |
| Number of ratings | 10 | **79** |
| Positive reviews | 23.5% of reviews | **28.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 190 MB | 160 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai HOTO Technology Co., Ltd.](https://appshunter.io/developer/1631957910) | [Shenzhen Shuye Innovation Technology Co., Ltd.](https://appshunter.io/developer/1704141324) |

## What reviewers say

### HOTO

[App page](https://appshunter.io/ios/app/hoto/id1631957908)

Connects to a smart laser rangefinder to manage device settings, control functions, and update firmware. It allows for data recording and measurement drawing.

**Highlights:** Device pairing, Device control, Firmware updates, Data recording, Measurement drawing

**In-app purchases:** none


### Laifen

[App page](https://appshunter.io/ios/app/laifen/id6463205325)

Connect to your smart electric toothbrush to personalize your brushing experience. Set usage preferences and adjust device parameters to create custom modes for optimal oral health.

**Highlights:** Connect to Laifen electric toothbrush, Set personal usage preferences, Adjust hardware device parameters, Create custom toothbrush modes, Achieve optimal oral health

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

**In-app purchases:** none

**What reviewers like**

- ⚡ Quick device pairing and connection
- 🎛️ Customizable toothbrush settings (strength, frequency, oscillations)
- 🔄 Real-time setting synchronization with device
- 🦷 High-quality toothbrush hardware and materials
- 📦 Excellent packaging and product design

**What reviewers complain about**

- 🐛 Verification code not sent via SMS or email
- 🔐 Mandatory login requirement for app access
- 📱 Missing text/labels in app interface
- 🔌 App connectivity issues with toothbrush
- 💾 Data persistence problems (settings not saved)

**Reported bugs**

- Verification code never arrives via phone or email
- Get Code button permanently greyed out
- Server returns incorrect data errors
- Request timeout errors during account creation
- App shows blank screens with no text labels

**Requested features**

- Apple Health integration and sync
- Battery percentage display
- Dark mode option
- Brushing timer in app
- Real-time brushing feedback and notifications


## Frequently asked questions

### Is HOTO free?

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

### Is Laifen free?

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

### Which has better reviews, HOTO or Laifen?

Laifen is rated higher. HOTO averages 2.2 out of 5 from 10 ratings, while Laifen averages 2.4 from 79 ratings.

### Do HOTO or Laifen have ads?

Neither HOTO nor Laifen shows ads.

### Which is updated more often, HOTO or Laifen?

HOTO ships an update every 20 months, and Laifen every 3 weeks. Most recently, HOTO was updated on October 24, 2026 and Laifen on October 25, 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.*