SmileDiary - Aligner Tracker
Wear Timer & Progress Photos
Free · In‑App Purchases · Designed for iPhone
Track your aligner wear time with one tap. See your progress with photos, calendar compliance, and detailed stats. Privacy-first — your data never leaves your device.
SmileDiary: The Private, No-Nonsense Tracker for Your Aligner Journey
Tired of apps that want your data more than they want to help you? Finally, an app that genuinely respects your privacy and actually gets what it’s like to wear aligners. Created by someone on their own Invisalign journey, SmileDiary is the simple, secure companion your orthodontic investment deserves.
Why SmileDiary Stands Out:
• Truly Private: Your data stays on your device. We do not collect, track, upload, or sell any personal information. Ever.
• No Ads, No Clutter: A clean, focused experience with zero advertisements or disruptive upsells.
• No Registration Needed: Start tracking immediately—no email, no account, no commitment.
• You Own Your Data: Full export functionality keeps you in complete control.
• Multiple Treatment Plans: Manage different courses of aligners seamlessly.
Your All-in-One Aligner Companion
• Smart Wear Timer: One-tap tracking for removal time, real-time daily progress, customizable goals, and automatic statistics.
• Visual Calendar: A color-coded view of your compliance, with notes for pain, attachments, or observations.
• Progress Photos: Guided shots for 6 angles, organized by aligner number, with side-by-side comparison and a built-in editor.
• Detailed Insights: Interactive charts show daily, weekly, and monthly trends. Track compliance rate, total days, and longest streaks.
SmileDiary Pro Unlocks More:
• Home & Lock Screen Widgets for at-a-glance progress.
• Full Apple Watch App — track right from your wrist.
• iCloud Sync — seamless flow across all your Apple devices.
Our Promise: Your journey, your data, under your control.
SmileDiary is built on a simple belief: the details of your smile should be for your eyes only. Like a digital diary, it’s designed to serve you—not to serve you ads or mine your habits.
A Note from the Developer:
“As an actual aligner wearer, I couldn’t find a tracker that was both simple and truly private. So I built SmileDiary—the app I use every day. It’s just me behind this, not a big company. If it helps you on your journey too, please consider leaving a review!”
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Privacy Policy: https://smilediary.app/en/app/smilediary/privacy/
Terms of Use: https://smilediary.app/en/app/smilediary/terms/
Ratings & Reviews
This app hasn’t received enough ratings or reviews to display an overview.
What's New in v1.0.1:
• SmileDiary Pro — Unlock Home & Lock Screen Widgets, Apple Watch App, and iCloud Sync with a Pro subscription.
• Stability improvements and bug fixes for a smoother experience.
The developer, Nanjing Xiaowei Technology Co., Ltd., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Nanjing Xiaowei Technology Co., Ltd.
- Size
- 10.7 MB
- Category
- Medical
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later. - Apple Watch
Requires watchOS 10.6 or later.
- Languages
- English and Simplified Chinese
- Age Rating
9+
- 9+
- Contains
User-Generated Content
- In-App Purchases
Yes
- SmileDiary Pro Monthly $2.99
- SmileDiary Pro Annual $12.99
- SmileDiary Pro Lifetime $19.99
- Copyright
- ©2025 Nanjing Xiaowei Technology Co., Ltd.