About this app
Turn raw numbers into beautiful, publication-ready charts right on your iPhone and iPad. ChartPrism is a fast, fully on-device chart maker — no account, no sign-up, and everything works offline. Build 41 chart types across 8 families: COMPARISON — weigh values side by side Bar, Grouped Bar, Stacked Bar, Horizontal Bar, Pictorial Bar, Range Bar, Waterfall, Radar, and Gauge. TIME SERIES — follow change over time Line, Step Line, Area, Stacked Area, Theme River, and Calendar Heatmap. DISTRIBUTION — see how a whole breaks down Pie, Donut, Rose, Funnel, and Histogram. RELATIONSHIP — reveal correlation and density Scatter, Bubble, Animated Scatter, Heatmap, and Parallel Coordinates. STATISTICAL — summarize spread and ranges Candlestick, Box Plot, Error Bars, and Violin. HIERARCHY — break down part-to-whole structure Treemap, Nested Treemap, Sunburst, Tree, and Icicle. FLOW — trace connections and movement Sankey, Network, and Chord. GEOGRAPHIC — map your data by region World Choropleth, US States, Europe, and Geo Scatter. MAKE IT YOURS Style every chart with 400 built-in color themes spanning 10 moods — warm, cool, earthy, pastel, bold, muted, vintage, nature, monochrome, and jewel. Star your favorites for one-tap access, then fine-tune individual data points, titles, legends, axes, and styling until it looks exactly right. GET DATA IN FAST Import a CSV file, paste straight from the clipboard, or type values by hand. The editor adapts to your data shape — including OHLC, box-plot stats, matrices, hierarchies, flows, and map coordinates. SHARE AND KEEP Export crisp PNG or PDF images, send them through the share sheet, and save every chart to a searchable library. Turn on optional iCloud sync to carry your work across devices. PRIVATE BY DESIGN Charts render on your device and the app works completely offline — no account, no uploads. Lock the app behind Face ID whenever you like. Start free and create a chart a day. ChartPrism Pro unlocks the full chart library, every theme, and unlimited saves. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Oct 15, 2026 · 3:23 PM Free