# 秒表摄像机 / StopwatchCamera — 为运动训练、比赛记录提供精确的计时和视频记录功能

> AR running timer camera with automatic lap timing and video recording. (iPhone/iPad app by 伟 张.)

- Source: https://appshunter.io/ios/app/stopwatchcamera/id6749922007 (this page in markdown: same URL + `.md`)
- Developer: [伟 张](https://appshunter.io/developer/1832180907)
- Category: Sports, Utilities
- Price: $0.99
- Age rating: 4+
- Requires: iOS 15.6 · 4 MB
- Languages: American English, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2025-08-13
- Data updated: 2026-09-11
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/stopwatchcamera/id6749922007/reviews.md

## What is 秒表摄像机 / StopwatchCamera?

Professional running timer camera app combining Augmented Reality (AR) and human pose recognition technology to provide precise automatic lap timing and video recording for track & field and road running.

Key Features:
• HD Video Recording — 1080p HD recording with millisecond-precision synchronized timer and real-time timestamp overlay
• AR Virtual Finish Line — ARKit-powered 3D spatial anchoring; simply drag to mark the exact finish line position with sub-centimeter accuracy
• Auto Lap with Person Tracking — Vision-based full-body pose tracking engine automatically records lap times and finish times as athletes cross the line
• Dual Detection Engine — Normal mode (multi-keypoint fallback: ankle -> knee -> hip -> torso) for daily training; Sprint mode (hip-based with sub-frame interpolation) optimized for 100m dashes
• Direction Filter — Both / left-to-right / right-to-left crossing directions to match any track layout
• Professional Timer — Unlimited lap splits with independent timing and automatic differential calculation
• Data Export — One-tap CSV export for in-depth analysis on your computer
• Time Watermark — Real-time timing overlay burned into the video for clear post-race review
• History Records — Complete session archive with video playback and quick jump to any lap moment
• Multi-Language — English, 简体中文, 繁體中文

Use Cases:
• Track sprints — Precise finish line timing and HD video capture for 100m, 200m, 400m
• Track middle/long distance — Automatic lap recording without manual stopwatch operation
• Road running — Split timing and pace analysis for marathons and trail running
• Running races — Automatic finish line detection with high-definition photo-finish capture

## Key features

- HD video recording with synchronized timer
- AR virtual finish line for precise timing
- Automatic lap timing with person tracking
- Dual detection engine for sprints and distance
- Direction filter for track layouts
- One-tap CSV data export
- Real-time timing watermark on video


## Frequently asked questions about 秒表摄像机 / StopwatchCamera

### What is StopwatchCamera?

StopwatchCamera is a professional running timer camera app that uses Augmented Reality (AR) and human pose recognition to provide precise automatic lap timing and video recording for track and field and road running.

### How accurate is the AR virtual finish line in StopwatchCamera?

The ARKit-powered 3D spatial anchoring allows you to mark the exact finish line position with sub-centimeter accuracy.

### Does StopwatchCamera support different running modes?

Yes, it features a Dual Detection Engine with a Normal mode for daily training and a Sprint mode optimized for 100m dashes, along with a Direction Filter for various track layouts.

### Can I analyze my running data with StopwatchCamera?

Yes, the app offers one-tap CSV export for in-depth analysis on your computer and keeps complete session archives with video playback.

### What devices is StopwatchCamera compatible with?

StopwatchCamera is supported on iPhone and iPod devices.

### What is the price of StopwatchCamera?

StopwatchCamera is available for a one-time purchase of $0.99.

### How often is StopwatchCamera updated?

The app was last updated on May 28, 2026, indicating active development and support.

### Does StopwatchCamera have ads?

No, StopwatchCamera is ad-free, allowing for an uninterrupted user experience.

## Version history (last 4 releases)

### 1.2.1 — 2026-05-28

Power Optimization
Pure manual lap timing uses standard camera preview and recording; ARKit activates only when virtual finish line is enabled, significantly reducing power consumption and heat during everyday use.

UI Redesign
Reorganized the interface layout for better usability and intuitive guidance, making it easier to get started.

History Enhancements
Swipe to delete: Swipe left to delete history records
Snapshot viewer: Tap lap thumbnail for full-screen image with lap number, split time, and total time overlay
Path persistence: Snapshots now use relative paths, no longer lost after app restart
Playback page refactor: Custom top bar merged into system navigation bar, share button moved to top-right corner

### 1.2 — 2026-05-25

AR 虚拟终点线：基于 ARKit 的 3D 空间锚定终点线，支持触摸拖拽调整位置和角度
人体姿态识别自动计圈：基于 Vision 框架的全身姿态追踪，运动员过线自动记录圈速
双模式检测引擎：普通模式（多关键点分层回退：脚踝 → 膝盖 → 髋部 → 躯干）+ 冲刺模式（髋部判定 + 距离滞后 + 亚帧插值）
独立音频采集服务：音视频采集分离，提升同步精度
虚拟划线方向过滤：支持双向 / 左到右 / 右到左三种通过方向ARKit 预览视图：实时 AR 画面叠加虚拟终点线

### 1.1 — 2026-03-17

## 版本新特性 (1.1)
- 优化操作交互逻辑
- 优化性能和视频时间点的精确度
- 倒计时启动 (Countdown Start)
  - 录制开始前增加 "3-2-1" 声音或视觉倒计时。
  - 解决单人训练时无法及时跑入画面的问题。
- 自定义计时器样式 (Custom Overlay)
  - 位置拖拽: 允许用户在录制前拖动计时器到屏幕任意位置，避免遮挡关键动作。
  - 样式调整: 提供高对比度颜色选项（如黑底白字、绿字等），适应雪地、夜间等不同场景。

- Optimized interaction logic
- Improved performance and precision of video timestamps
- Countdown Start
  - Add "3-2-1" audio or visual countdown before recording starts.
  - Solves the issue of unable to enter the frame in time during solo training.
- Custom Timer Overlay
  - Position Drag: Allow users to drag the timer to any position on the screen before recording to avoid blocking key actions.
  - Style Adjustment: Provide high-contrast color options to adapt to different scenes like snow or night.

### 1.0 — 2025-08-13

No release notes.

## More apps by 伟 张

- [RunForm AI - Running Coach](https://appshunter.io/ios/app/runform-ai-running-coach/id6763226958)

All apps by 伟 张: https://appshunter.io/developer/1832180907

## Related topics

[stopwatchcamera](https://appshunter.io/ios/topics/stopwatchcamera)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-11.*