极牙 vs PlanCoach
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
PlanCoach
This app helps overcome procrastination and ADHD-related task initiation difficulties by breaking down overwhelming tasks into manageable, specific steps. It offers various AI coaches and a unique focus mode to guide users towards completion and personal growth.
- Task breakdown into specific steps
- Multiple AI coaches with unique personalities
- Downloadable coach DLC
- Growth system for visible progress
- ADHD-friendly focus mode
- Instant idea capture
- Lorebook for custom instructions
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PlanCoach helps you get through everything you thought was too hard, one thing at a time, and actually enjoy the process. Built on CBT and cognitive offloading: serious about beating procrastination, and ADHD-friendly. What makes PlanCoach different from its many imitators? ================================= 1. A larger community. Since a viral post in July 2025 (300K likes, 3M+ views), PlanCoach has grown to hundreds of thousands of users. 2. Built with the community. Shaped by 1,000+ pieces of community feedback, with constant iteration and great reviews. 3. Covers the whole task cycle (start, execute, focus, capture distracting thoughts, record reflections, time receipts), so you can get back on track from any stage. 4. Deep customisation. Coaches, personal profiles, per-coach rewrites and lorebooks give you huge freedom and fun. The Psychology Behind It ======== 1. Zeigarnik effect: unfinished tasks keep occupying your mind. Making a plan lets you put them down, and once you start, you want to finish. → AI breaks tasks into steps, with a first step small enough to start now; widgets, Live Activities and persistent reminders keep it in sight. 2. Cognitive offloading: your mind is for thinking, not for storing. → Shake to save a thought to Idea Capture; Navigation Mode keeps the current step on screen, so you only need to look, not remember; lorebooks and your profile remember your context. 3. CBT (Cognitive Behavioural Therapy): act first, and your mood will follow. → Coaches turn tasks into concrete actions and answer self-doubt with encouragement; "Explain it" shows the reasoning behind each step, dissolving resistance. 4. Tiny starts (Atomic Habits): make the bar so low you can't fail. → Revise steps until they are small enough; Shortcuts can start a routine on a schedule or with an NFC tap. 5. Instant positive feedback: make progress visible. → Check-ins, the Growth System and time receipts turn your real-world effort into results you can see. Key Features ====== 1. Multiple Coaches 4 carefully selected built-in coaches: Coach W gets you started, the cool big sister is blunt and balanced, Miss S handles chained tasks, and the NPC Mage turns boring tasks into role-playing adventures. 2. Coach DLC Download the coaches you like: a minister, a butler, a communication coach, a sleep coach, even a chef… one app, endless ways to play. 3. Growth System Make your real-world effort visible inside the app, so you fall in love with the version of yourself that keeps improving. 4. Personal Profile Coaches refer to your profile every time they plan, so steps fit your situation and encouragement hits home. Each coach can see its own rewrite of your profile (the "Master Chef" sees your food preferences; the "Minister" sees that you are a Spanish princess). 5. Navigation Mode (Focus) An ADHD-friendly focus mode: large always-visible text (GTD-inspired), progressive step disclosure and course correction, so focus comes naturally. 6. Idea Capture (Not a TODO List) "Your mind is for having ideas, not holding them." Shake firmly on any screen to capture an idea instantly. You don't need a brilliant idea every time. Keep capturing them, and the rare good ones will eventually connect into real change. 7. Lorebook Define a dictionary for your own world, packaging complex instructions, technical terms and personal SOPs into reusable entries. 8. Apple Watch Support! Great for cooking, exercising or walking, when you can't keep looking at your phone. 9. Iterative Revision Good plans are made by revising. Refine yours endlessly with AI until it truly fits. ==== The app price is increasing month by month, and the lifetime purchase will gradually rise to ¥268. The earlier you buy, the better the deal! Website: https://plancoach.freemindworkshop.com/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: 极牙 at none against PlanCoach's 6. 极牙 also leads on iOS requirement (13.0 vs 17.0). PlanCoach's advantage is update cadence (every 2 days 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. PlanCoach sells 6 in-app purchases, starting at $2.99 per month. 极牙 asks for nothing beyond the download.
极牙 ships an update every 4 months, PlanCoach every 2 days. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.
| Parameter | 极牙 | PlanCoach |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (20 ratings) — better |
| Positive reviews | — | 84.2% of reviews |
| Number of ratings | — | 20 — better |
| Update frequency | Every 4 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPod | iPhone, iPad, Apple Watch — better |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 43 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | Nanjing qianzhige Information Technology Co., Ltd | 晓江 苏 |
In-app purchases
极牙
No in-app purchases
PlanCoach
- Premium - Monthly$2.991 Month
- Premium - Quarterly$6.993 Months
- Premium - Yearly$29.991 Year
- Essentials - Lifetime$9.99
- Upgrade to Premium$19.99
- Premium-Lifetime$29.99









