Alinear vs YAJI

Alinear is a wear timer and tracker for clear aligners and retainers. Tap the bubble when your trays come out, tap again when they go back in, and see today's wear time at a glance. Use it with any clear aligner brand and the daily goal recommended by your orthodontist. WEAR TIMER • Start and stop wear sessions with one tap on iPhone or Apple Watch • Follow today's wear time and progress toward your daily goal • Get a put-back reminder after 20 minutes by default • Receive a reminder when today's goal is at risk • Add missed wear time and correct past sessions TREATMENT TRACKING • Follow your current aligner and upcoming change dates • Get reminders when it is time to change aligners • Browse past sessions and aligner changes in the calendar • Continue your treatment with refinement plans • Switch to all-day or nights-only retainer tracking after treatment STATISTICS AND STREAKS • See average wear time for the current aligner • Follow cycle health, goal days, and streaks PROGRESS PHOTOS — ALINEAR PREMIUM • Take photos with a smile guide and an overlay of your previous photo to help match the framing • Import photos from your photo library • Browse photos by month and see their treatment stage • Compare two photos with a slider or side by side • Share a comparison image • Sync photos through your private iCloud database MORE WITH ALINEAR PREMIUM • Lock Screen timer while your aligners are out, with Live Activity and Dynamic Island support • Home Screen and Lock Screen widgets • Apple Watch complications • Custom reminders, including the put-back time limit and quiet hours • Siri Shortcuts The core wear timer, session history, treatment tracking, statistics, retainer tracking, basic reminders, iCloud sync, JSON backup, and basic Apple Watch features are free. Premium is available as a monthly or yearly subscription, or a one-time Lifetime purchase. MADE FOR EVERY DAY Available in English and Japanese, with improved support for larger text sizes. PRIVATE BY DESIGN No Alinear account is required, and there are no ads. Your treatment records and photos stay on your devices and, when iCloud is available, in your private iCloud database. We use RevenueCat to manage purchases and basic app-usage analytics, and TelemetryDeck for privacy-focused usage analytics. Photos, treatment details, and wear-time records are not sent to these services. Export and restore treatment records as a JSON backup. Photos sync separately through iCloud and are not included in JSON backups. Alinear is not a medical device and does not provide medical advice, diagnosis, or treatment. Always follow the instructions of your orthodontist or dental professional. Privacy Policy: https://alinear.me/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

YAJI is a private, on-device journal for people with fixed braces or clear aligners. Build a consistent visual record, compare changes over time, and keep notes and reminders organized between appointments. GUIDED PHOTO RECORDS • Capture up to nine guided facial and intraoral views, or create a custom view.• Take photos in sequence or import existing images.• Review records by calendar, timeline, full-size image, or grid.• Add notes, observation tags, tooth or location details, and follow-up items. COMPARE OVER TIME • Compare the same view from two dates side by side or stacked. • Use slider, overlay, alignment, and reference-line tools for closer visual review. • Create a progress video from a series of same-view photos. • Add three-point angle annotations to profile images for personal reference. REMINDERS AND ALIGNER TRACKING • Set daily or weekly record reminders and appointment reminders. • Record appointment dates and add notes after each visit. • Choose fixed-braces or clear-aligner mode for relevant tracking. • In clear-aligner mode, track treatment phase, current tray, planned wear time, and aligner-off time. • View aligner-off timing through Live Activities on supported iPhone models. PRIVATE BY DESIGN • No YAJI account required. • Core records stay in YAJI’s private space on your iPhone. • No advertising or third-party analytics. • Photos, annotated images, reports, and videos leave YAJI only when you choose to save or share them. • YAJI does not provide in-app cross-device iCloud sync. Structured app data may still be included in device backups based on your Apple settings, and copies saved to Photos may sync through iCloud Photos. YAJI PROYAJI Pro unlocks all guided and custom views, advanced comparison tools, reference lines, alignment, progress videos, and complete photo angle annotation. IMPORTANTYAJI is a personal record-keeping and image-annotation tool. It is not a medical device and does not diagnose conditions, assess treatment outcomes, recommend treatment, or replace care from a dentist or orthodontist. Photos and angle annotations may vary with lighting, distance, camera settings, lens distortion, angle, and point placement. Do not use them as clinical measurements or proof of treatment results. Do not change appliance wear or treatment based only on YAJI records. If you experience persistent or severe pain, significant swelling or bleeding, an injury, difficulty breathing or swallowing, or another urgent concern, contact a qualified clinician or local emergency services promptly. Terms of Use (Apple Standard EULA):https://www.apple.com/legal/internet-services/itunes/dev/stdeula/