lpic vs Chromaticity Assistant
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
lpic
Easily combine multiple images into a single long screenshot. Enhance your images with drawing tools, mosaic effects, blur filters, and custom watermarks. Create high-definition stitched images for various uses.
- Horizontal and vertical image stitching
- Comprehensive image cropping
- Drawing tools for image editing
- Blur filters for privacy
- Customizable watermark addition
- High-definition output
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Lpic是一款可以把多张图片合成一张长截图，支持画笔画画、马赛克、高斯模糊，添加水印 功能特性: - 横向和纵向拼接图片，合成长截图 - 全方位裁剪图片，灵活流畅 - 支持画笔画画，灵魂画家必备功能 - 模糊滤镜画笔，保护个人隐私 - 自定义水印，防止长截图被盗用 - 精准拼长图，输出高清图片
Chromaticity Assistant
This app provides color management and analysis tools. It supports color space conversion, spectral analysis of visible light, and color gamut analysis for various standards.
- Color space conversion (RGB, CMYK, HSV, LAB, HEX)
- Spectral analysis (CIE-1931, CIE-1976)
- Color gamut analysis (DCI-P3, NTSC, sRGB, Adobe RGB)
- Import optical spectrum data (CSV)
- Import primary color coordinates (CSV)
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您的掌上色彩管理与辅助分析助手！本软件支持色彩转换器，实现RGB表色系到CMYK、HSV、LAB、HEX表色系的转换；光谱分析，通过380～780可见光波段CSV格式光学图谱，分析计算CIE-1931、CIE-1976 color point x、y、u、v数据；以及色域分析，通过导入Red、Green、Blue Pattern三原色（x、y）坐标csv档案，计算分析DCI-P3、NTSC、sRGB、Adobe RGB色域覆盖率。
Screenshots
Verdict
The clearest difference is rating: Chromaticity Assistant at 5.0 against lpic's 3.7. Chromaticity Assistant also leads on in-app purchases (none vs 1) and ads (none vs shown). lpic's advantage is device support (3 vs 1) and ratings volume (3 vs 1). On price and update cadence 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. lpic sells 1 one-off in-app purchase. Chromaticity Assistant asks for nothing beyond the download.
Chromaticity Assistant holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
lpic ships an update every 4 months, Chromaticity Assistant every 5 months. The most recent releases landed on July 17, 2026 and August 23, 2026 respectively.
| Parameter | lpic | Chromaticity Assistant |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) | 5.0 (1 ratings) — better |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 4 months — better | Every 5 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 9 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | 亮 苏 | 克俊 张 |
Customer experience
lpic
Chromaticity Assistant
In-app purchases
lpic
- 功能升级$0.99
Chromaticity Assistant
No in-app purchases
