Comparison

Keepad vs ChartPrism

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Keepad

Features
Read full description

Keepad turns your iPhone or iPad into a wireless keyboard, touchpad, macropad, and MIDI controller for your computer. Create custom layouts with buttons for shortcuts, macros, mouse actions, MIDI notes, MIDI CC controls, and more. Nearly every button can be customized, including its label, color, function, modifiers, and behavior. Use layers to build different control surfaces for different apps, workflows, or machines. With the optional Beecon desktop app, Keepad can automatically switch layers based on the active app on your computer. Keepad requires a compatible custom Bluetooth dongle, available separately with a one-time purchase.

About

ChartPrism

Create publication-ready charts from your data on iPhone and iPad. Offers 41 chart types and 400 themes, with offline functionality and no account required. Export as PNG or PDF.

Highlights
  • 41 chart types
  • 400 color themes
  • Offline functionality
  • CSV import
  • PNG/PDF export
  • iCloud sync
  • App lock
Features
Read full description

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/

Screenshots

Keepad1 screens
ChartPrism4 screens

Verdict

The call

The clearest difference is in-app purchases: Keepad at none against ChartPrism's 3. Keepad also leads on iOS requirement (18.6 vs 26.2). On price, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ChartPrism sells 3 in-app purchases, starting at $8.99 per month. Keepad asks for nothing beyond the download.

Scorecard2 real differences · 7 level
Keepad versus ChartPrism: the parameters behind the verdict, then further details
ParameterKeepadChartPrism
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyMonthly—
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.6 — better26.2
Further details — not scored
Size18 MB48 MB
Age rating4+4+
DeveloperWillbotic, LLCLife Utility Apps, LLC

In-app purchases

None

Keepad

No in-app purchases

3 purchases

ChartPrism

Subscriptions2
  • Monthly$8.991 Month
  • Yearly$34.991 Year
One-time1
  • Lifetime Access$49.99

Questions

Is Keepad free?
Keepad is free to download, with no in-app purchases.
Is ChartPrism free?
ChartPrism is free to download, with in-app purchases available.
Do Keepad or ChartPrism have ads?
Neither Keepad nor ChartPrism shows ads.

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