21cam vs AlphaLuma

21相机，通过拍照姿势教程、27种人像细节美颜、补妆及滤镜等功能，帮助你一键拍出高级感照片和视频。 【拍照POSE】通过自拍、他拍、情侣、CP头像、闺蜜、拍男友、旅行、美食、生活等场景的拍照姿势教程，轻松解决镜头尴尬症，拍出杂志大片感。 【高级美颜】27种人像细节美颜，从美肤、肤色、清晰、瘦脸、小脸、下颔角、削脸、额头、颧骨、下巴、大眼、亮眼、祛眼袋、眼角、眼距、瘦鼻、鼻梁、鼻立体、鼻翼、鼻尖、鼻高度、嘴型、美牙、丰唇、嘴宽、嘴高度、微笑进行微调，轻松拍出高颜值照片和视频。 【高级脸型】自然脸专属、圆脸专属、长脸专属、方形脸专属、菱形脸专属、心形脸专属，总有一款脸型适合你。 【补妆修饰】自然的口红、腮红、眉毛、修容妆效，瞬间提升你的气色。 【质感滤镜】Ins风、港风、轻氧自拍、vlog、特效艺术、极简黑白、假日旅程、摩登街拍、潮酷等滤镜，不同的风格给你不同的质感体验。 【音乐视频】使用音乐录制视频，一键创作好玩又好看的视频短片。 【照片修图】像Photoshop一样对你的照片进行修图编辑，支持滤镜、人像、增高、编辑、裁剪等功能，满足你对完美细节的要求。 【分享保存】保存照片至手机相册，也可将作品分享至第三方平台。 【官方网站】21camera.adnonstop.com

AlphaLuma is a clean, no-fuss light meter for photographers who want reliable exposure guidance fast. AlphaLuma turns your iPhone into a focused light metering companion: a live camera preview, clear readouts, and tools that help you set aperture, shutter, ISO, and exposure intent—fast. What you get • Live metering readouts Estimated aperture, shutter speed, ISO, EV compensation (manual vs meter), and AWB with Kelvin so you can align with how you shoot. • Live histogram See how brightness is distributed across the frame. Zones for Shadows, Midtones, and Highlights help you spot clipping and balance at a glance. Toggle the histogram on or off from the camera screen. • Luminance waveform (scope-style) A professional-style waveform monitor overlay: horizontal position follows the scene left-to-right; vertical position is brightness (shadows at the bottom, highlights at the top). It shows luminance density per column, not a single line per column, so you can see where in the frame brightness lives. S / M / H labels mark shadow, midtone, and highlight regions; a Safe exposure hint pairs with the green guide line as a quick reference band for key brightness placement (you still judge the final look). • Camera & workflow controls Camera toggle to switch cameras where supported. Lock exposure freezes readouts (including histogram and waveform snapshots) so you can note settings or share them with others on set. Large type (Aa) bumps readout size for bright sun or quick glances. • Designed for real shooting Minimal UI, high contrast overlays, and tools laid out for one-handed use: metering at the top, optional waveform above the histogram, and controls along the bottom. How to use it Point the phone at the scene. Read the meter and guides. Transfer settings to your camera. Lock when you want a stable reference while you work. Pricing • 7-day free trial on device • One-time unlock for full access (non-consumable; no subscription) AlphaLuma is built for photographers who want a simple, dependable meter with histogram and waveform insight when they need it without clutter.