Laifen vs Birthday Countdown
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Laifen
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.
- Connect to Laifen electric toothbrush
- Set personal usage preferences
- Adjust hardware device parameters
- Create custom toothbrush modes
- Achieve optimal oral health
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Laifen App is the official application of Laifen Technology. Through this software, you can connect to the Laifen electric toothbrush, set personal usage preferences, and adjust hardware device parameters. By customizing parameters, you can preset a toothbrush mode specific to you, assisting you in effortlessly achieving optimal oral health.
Birthday Countdown
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Never miss a birthday again. Birthday Countdown helps you track family and friends with clear day countdowns, Home Screen widgets, and timely reminders. Important dates stay visible without opening the app every day. OVERVIEW • See who’s next, with days left and the age they are turning when you add a birth year • Keep everyone organized in one simple list, with free and premium themes • Import birthdays, choose who to add, set a photo, and stay reminded KEY FEATURES • Birthday countdown: see how many days are left, and hours, minutes, and seconds when a birthday is within a week • Turning age and milestones: with a birth year, see ages such as 18, 21, 30, 50, and 60 • Home Screen widgets: Small and Medium widgets, with a photo when you have set one • Import from Contacts and Calendar: see what was found and choose who to add • CSV import: review the rows, then choose who to add • Photos and notes: add a photo, a gift idea, and a note for each person • Groups and search: Family, Friends, Work, or VIP • Share wishes: send a birthday message or a greeting card • Themes: Classic Plum and Champagne Toast are free. Celebration Velvet and Pastel Confetti unlock with Remove Ads, and the Home Screen icon can match • Remove Ads: one payment, not a subscription, for unlimited people, no ads, and the two premium themes. The free plan holds 8 people HOW TO USE 1. Add a person, or import from Contacts or Calendar and choose who to keep 2. Set reminder preferences for each birthday 3. Add a Home Screen widget for an at-a-glance countdown 4. Open the app anytime to see who’s next and share a wish Perfect for busy families, friend groups, and anyone who wants a simple birthday tracker with widgets and reminders. Not just another calendar buried in notifications. Download Birthday Countdown and make every celebration easy to remember.
Screenshots
Verdict
The clearest difference is in-app purchases: Laifen at none against Birthday Countdown's 1. Laifen also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.0). On price, update cadence and device support 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
Both are free to download. Birthday Countdown sells 1 one-off in-app purchase. Laifen asks for nothing beyond the download.
Laifen ships an update every 3 weeks, Birthday Countdown every 5 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | Laifen | Birthday Countdown |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (79 ratings) — better | — |
| Positive reviews | 28.3% of reviews | — |
| Number of ratings | 79 — better | — |
| Update frequency | Every 3 weeks — better | Every 5 weeks |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 160 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Shuye Innovation Technology Co., Ltd. | Ajaysinh Jadeja |
Bugs and requests
Laifen
Reported bugs
17 issues- 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
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- Buttons present but unlabeled/non-functional
- App disconnects from toothbrush after profile creation
- Cannot add new toothbrushes to account
- Phantom toothbrush devices appear in account
- Cannot disconnect or delete toothbrush entries
- User profile information not editable
- Text display issues with non-English languages
- App freezes after recent updates
- Toothbrush won't turn on after charging
- Firmware calibration process fails
- App shows connected status but device unresponsive
- Phone number format validation rejects valid numbers
Requested features
14 requests- Apple Health integration and sync
- Battery percentage display
- Dark mode option
- Brushing timer in app
- Real-time brushing feedback and notifications
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- Brushing statistics and performance tracking
- Reward points system for achievements
- Pressure detection alerts
- Support for more than 3 toothbrush devices
- Device identification display
- Troubleshooting and user guide within app
- Brushing quality metrics (similar to Oral-B)
- Automation features for brushing reminders
- Toothbrush model selection in setup
Birthday Countdown
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Laifen
No in-app purchases
Birthday Countdown
- Remove Ads$2.99
