ChartPrism - Chart Maker

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/