SmileDiary - Aligner Tracker
Clear Aligner & Retainer Timer
About
This app helps you track your clear aligner treatment privately and securely. It offers a smart wear timer, visual calendar, progress photos, and detailed insights into your compliance, all without collecting your personal data.
What's New in SmileDiary
1.0.18
October 18, 2026
This update focuses on bug fixes: · Fixed the aligner switch confirmation on the Today tab sometimes not working. · Fixed the last aligner in a Dual-Stage plan being unable to switch to Hard. · Fixed changing aligners with Siri skipping the Hard stage in Dual-Stage plans (Pro). · Fixed the Stock Depletion Reminder sometimes not arriving on its reminder day. · Fixed reminders staying Time Sensitive after turning off "Enable Time-Sensitive Notifications". · Fixed the default aligner and day count for older photos chosen from the album. As always, your treatment data stays on your device. Questions or ideas? Reach us from Settings.
MoreSubscriptions & In-App Purchases
SmileDiary Pro Annual
Unlock all Pro features, best annual value
Developer apps
FAQ
Does SmileDiary have ads?
No, SmileDiary is designed to be ad-free, providing a clean and focused experience without any advertisements or disruptive upsells.
How much does SmileDiary cost?
The basic version of SmileDiary is free to use. For advanced features like home and lock screen widgets, and Apple Watch integration, a subscription to SmileDiary Pro is available.
What are the SmileDiary Pro subscription options?
SmileDiary Pro offers a monthly subscription for $2.99 with a 7-day free trial, and an annual subscription for $12.99 with a 7-day free trial.
Is my data safe with SmileDiary?
Yes, SmileDiary prioritizes privacy. Your data stays on your device, and the app does not collect, track, upload, or sell any personal information.
Can I use SmileDiary without an account?
Absolutely. SmileDiary requires no registration, email, or commitment to start tracking your aligner journey immediately.
What devices does SmileDiary support?
SmileDiary is available on iPhone and Apple Watch. iCloud Sync allows for seamless use across all your Apple devices with the Pro subscription.
How often is SmileDiary updated?
The latest version, 1.0.4, was released on May 19, 2026, indicating regular updates to improve functionality and user experience.
What are the benefits of SmileDiary Pro?
SmileDiary Pro unlocks home and lock screen widgets for at-a-glance progress, a full Apple Watch app for tracking on your wrist, and iCloud Sync for seamless data flow across Apple devices.
