计算器 vs OpenScreen

基础计算、科学计算、汇率换算等主要功能 可自由切换按键主题与背景， 自动保存计算记录，一键分享， 还能开启按键音或真人语音， 操作简单、反应快速，计算更省心。 1、付款：用户确认购买并付款后计入iTunes账户； 2、取消续订：如需取消续订，请在当前订阅周期到期前24小时以前，手动在iTunes/Apple ID设置管理中关闭自动续费功能，取消后不再扣费; 3、续费：苹果iTunes账户会在到期前24小时内扣费，扣费成功后订阅周期顺延一个订阅周期。 隐私政策 https://p.kdocs.cn/s/7NATX2BFACQBS 使用条款 https://p.kdocs.cn/s/UIZTX2BFADAHS

OpenScreen turns your raw screen recordings into polished, professional demo videos — right on your iPhone and iPad. THE FEATURE NOBODY ELSE HAS Record your voice-over narration while zooming into details and drawing on the screen at the same time. Hit record, talk through your product or tutorial, tap to zoom into any spot (2×/3×), and draw to highlight what matters. Everything is captured live and perfectly in sync — one take, done. RECORD & NARRATE • Watch your video while recording voice-over + front camera • Tap anywhere to zoom in as you speak • Draw freehand to circle, underline and point • Draggable, resizable camera bubble (circle / rounded / square) POLISH ON THE TIMELINE • Buttery-smooth region zoom & pan (1.25×–5×) with Screen Studio–style bezier easing • Text, arrow & image annotations • Mosaic blur to hide sensitive info • Trim clips and change speed (0.25×–5×) • Beautiful backgrounds: color, gradient, image + padding & rounded corners • Tap/touch highlight rings and picture-in-picture overlay EXPORT FOR EVERY PLATFORM • 16:9 (YouTube), 9:16 (TikTok / Reels / Shorts), 1:1, 4:5, 4:3 • Up to 4K, H.265 / H.264 • One-tap share to Photos, socials or AirDrop QUICK TOOLBOX Compress, convert, mute, rotate, crop, watermark, merge, split, reverse, extract audio, denoise, extract frames, make Live Photos — all in one place. Perfect for product demos, app previews, software tutorials, online courses, customer support clips and social content. No account. No subscription. No watermark. Your videos never leave your device.