Lean vs 快数
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lean
This app uses motion sensors to count repetitions and track time for bodyweight exercises. Create custom workout plans and sync data with Apple Health.
- Repetition counter
- Bodyweight exercise library
- Custom workout plans
- Voice tips
- Workout and calorie tracking
- Apple HealthKit integration
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Lean is a repetition counter design for Bodyweight strength training. Bodyweight exercises are a simple, effective way to improve balance, flexibility, and strength without extra equipment. All you need are these exercises and YOU! Lean utilizes the iPhone/Apple Watch motion sensor to calculate your movement repetition and time. Lean choose the classic exercises which cover all body muscle: - Push-up - Sit-up - Squat - Pull-up - Bar Dip - Plank - Bridge Custom Plan: In addition, you can add any custom exercise to the library to make your own unique gym plan. Feature: - Custom Exercise - Voice Tip - Repetition Record - Exercise Time/Calorie Record - Sync with iOS HealthKit Lean stores data in the HealthKit, and integrates with the Apple Health app to sync your workouts and record heart-rate data. Start taking advantage of the HealthKit features in iOS! Inspired by Paul Wade 《Convict Conditioning》 Contact me E-mail:89208242@qq.com Twitter: @haozes Telegram: @haozes Design by haozes & Ｆǎл`友 Animation: 梦想心音 & 铱垛
快数
This app uses AI to count repetitions for various exercises like jump rope, sit-ups, and squats. It offers a teaching management system for educators to track student progress and provides detailed workout reports.
- AI exercise counting
- Teaching management system
- Student progress tracking
- Automated workout reports
- Multiple training exercises
- Fun and engaging workouts
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快数核心特点 【AI计数功能】 十余款AI运动“智”动计数，仅需手机置于地面，对准运动人物即可开始无计数烦恼的运动新体验！ 【教学管理系统】 「学生端」 1.免去家长录制及计数的监督烦恼2.一键收发及上传体训详情，提供最便捷的体训打卡流程3.分享鼓励、排行榜机制，让孩子拥有更积极的运动态度 「教师端」 1.教师可多维度，单项、组合式的发布体训活动2.可查询班级、个人的运动详情记录，轻松掌握学生各项体育数据信息3.点评机制，加强师生互动，指出学生运动薄弱环节 【运动数据】 运动数据智能采集，自动生成报告，轻松比对你的运动成绩，帮你科学评估自身体能情况 【多种训练运动】 可选择十余项运动 单次/组合 训练（跳绳、仰卧起坐、坐位体前屈、开合跳、平板支撑.....） 【趣味运动】 丰富有趣的趣味运动可让你在娱乐中达到“热身”及“拉伸”的效果，可以更好的提升你在训练中的运动水平 如有任何疑问，可在APP内联系线上客服或拨打客服热线
Screenshots
Verdict
The clearest difference is review sentiment: Lean at 89% against 快数's 0%. Lean also leads on rating (4.3 vs 3.0) and ratings volume (65 vs 1). 快数's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 14.0). On price, update cadence and ads 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. Lean sells 1 one-off in-app purchase. 快数 asks for nothing beyond the download.
Lean holds the better App Store score, 4.3 against 3.0. That said, the two scores are not equally well evidenced: Lean has 65 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 89% of Lean's written reviews are positive against 0% of 快数's.
Lean ships an update monthly, 快数 every 3 weeks. The most recent releases landed on September 21, 2026 and June 1, 2026 respectively.
| Parameter | Lean | 快数 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (65 ratings) — better | 3.0 (1 ratings) |
| Positive reviews | 89.3% of reviews — better | 0.0% of reviews |
| Number of ratings | 65 — better | 1 |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 14.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 42 MB | 584 MB |
| Age rating | 4+ | 4+ |
| Developer | 家浩 汪 | Hangzhou Dynamic Technology Co.,Ltd |
Customer experience
Lean
快数
In-app purchases
Lean
- Pro Version$5.99
快数
No in-app purchases
