VoilàSense vs ChartPrism

VoilàSense helps you understand your data by combining health, weather, and more into beautiful dashboards on iPhone and iPad. Combine Apple Health, weather, air quality, economics, moon phases, and CSV in the same chart to see how different signals move together. Start from editable templates or build from scratch. Overlay up to 8 series, compare incompatible scales with dual Y-axis, and use formulas, percentiles, thresholds, and annotations to create the view you actually want. - Connect health, weather, air quality, economics, moon phases, and CSV in one place - Line, bar, area, scatter, heatmap, and histogram charts - Compare up to 8 signals side by side, even at different scales - Start in seconds with templates, or build from scratch - Your dashboards follow you across devices - Your health data never leaves your device No account required. Sign in with Apple optional for cloud sync. No tracking, no ads. Free to start. Unlock more dashboards, chart types, longer history, formulas, and advanced tools with Plus or Pro. Terms of Use: https://www.voilasense.com/terms/ Privacy Policy: https://www.voilasense.com/privacy/

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/