极牙 vs Aligner Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
极牙
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「极牙」是一款记录牙齿矫正过程的工具,支持记录金属、隐形等不同牙套类型,可以帮助您记录牙套天数、记录隐形牙套方案、提醒复诊与摘戴、对比正畸效果、测量嘴凸程度,让您随时记录下正畸过程中的珍贵瞬间。界面简洁,操作简单,专属于你的正畸好帮手,陪伴你走过正畸的点点滴滴。 ------正畸记录------ 记录已戴牙套天数,记录每一副牙套的佩戴周期,记录你想记录的任何重要事件 ------隐形牙套记录------ 记录隐形牙套方案,记录每日摘戴时长,记录软硬膜更换时间 ------贴心提醒------ 设置提醒时间,届时极牙会通过通知和短信提醒你,不让你错过复诊时间 ------照片打卡------ 拍下正面或侧脸照片,使用牙齿辅助线功能裁剪牙齿部分照片,上传至封面直观对比矫正变化 ------角度测量------ 测量侧颜角度,对比嘴凸程度。测量过程中,实时显示度数 如果您有任何建议或问题,欢迎联系我们: 微信号:JIYA_APP 邮箱:zhushou@jiyapp.com
Aligner Tracker
This app helps you track your clear aligner wear time with an intuitive timer and provides reminders for switching to the next tray. It visually displays your progress towards achieving a straighter smile, simplifying your orthodontic journey.
- Intuitive wear time tracking
- Smart push notification reminders
- Calendar view for tray schedule
- Apple Watch app integration
- Siri Shortcuts support
- Lock screen and Home screen widgets
- Live Activity support
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Clear aligner tracker that helps with your alignment journey. TrayTrack enables tracking wear time with an intuitive timer, sends you reminders when it's time to switch to the next aligner (tray), and visually shows your overall progress towards the perfect smile. Compared to many alternatives, the app takes an intuitive approach by tracking only your non-wear time and automatically calculating and visualizing the wear time for you. - Smart push notifications with friendly reminders - Calendar view to quickly see the tray wear schedule and upcoming tray changes - Apple Watch app for even easier tracking of wear time - Support for Siri Shortcuts for quickly toggling aligner break timers - Lock screen and Home screen widgets showing progress toward your daily wear goal - Live Activity support for at-a-glance timer visibility Download TrayTrack today, maintain consistent habits, and reach your goals! ----- Disclaimer: TrayTrack is a lifestyle utility tool that is designed solely to assist users in tracking general aligner - wearing habits and visualizing progress. It does not provide any medical advice, diagnosis, or treatment. You should always check with your orthodontist or dental professional before making any aligner wear plan decisions. ----- Privacy Policy: https://trytraytrack.app/legal/privacy/ Terms of Service: https://trytraytrack.app/legal/terms/
Screenshots
Verdict
The clearest difference is in-app purchases: 极牙 at none against Aligner Tracker's 9. 极牙 also leads on iOS requirement (13.0 vs 16.4). Aligner Tracker's advantage is update cadence (every 5 weeks vs every 4 months). On price, ads 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. Aligner Tracker sells 9 in-app purchases, starting at $1.99 per 7 days. 极牙 asks for nothing beyond the download.
极牙 ships an update every 4 months, Aligner Tracker every 5 weeks. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.
| Parameter | 极牙 | Aligner Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.2 (29 ratings) — better |
| Positive reviews | — | 66.7% of reviews |
| Number of ratings | — | 29 — better |
| Update frequency | Every 4 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Requires iOS | 13.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 43 MB | 103 MB |
| Age rating | 4+ | 12+ |
| Developer | Nanjing qianzhige Information Technology Co., Ltd | RSApps Nordics |
In-app purchases
极牙
No in-app purchases
Aligner Tracker
- Plus$1.997 Days
- Plus$4.991 Month
- Plus7 Days trial$19.991 Year
Show 4 moreShow fewer
- Plus$24.991 Year
- Plus7 Days trial$29.991 Year
- Plus$34.991 Year
- Plus1 Year trial$34.991 Year
- TrayTrack Plus$29.99
- TrayTrack Plus$59.99









