Comparison

Binomial Calculator vs DocuMind

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

Head to head
About

Binomial Calculator

Features
Read full description

The fastest, most intuitive binomial probability calculator for students, researchers, and statisticians. Whether you're studying for a statistics exam, analyzing research data, or solving probability problems, Binomial Calculator delivers precise results with stunning visualizations—all in seconds. POWERFUL CALCULATIONS Probability Mass Function (PMF) — P(X = x) Lower Cumulative Distribution (CDF) — P(X ≤ x) Upper Cumulative Distribution — P(X ≥ x) Mean (μ) and Variance (σ²) INTERACTIVE VISUALIZATION Beautiful color-coded distribution chart Tap the chart to instantly select any x value Mean indicator with smart axis scaling Automatically focuses on the relevant portion of the curve DESIGNED FOR PRODUCTIVITY Copy any result with a single tap Export calculations to share or save Haptic feedback for tactile interaction Instant calculations—no waiting BEAUTIFUL, MODERN INTERFACE Premium glassmorphism design Smooth animations throughout Full dark mode support Clean, distraction-free layout PERFECT FOR: Statistics students & professors Data scientists & analysts Quality control professionals Researchers & academics AP Statistics & college courses Master binomial distributions with the calculator that makes probability beautiful.

About

DocuMind

Instantly get answers from your documents without an internet connection. This app allows you to import various file types, ask questions, and receive accurate, cited responses directly on your device for complete privacy.

Highlights
  • Offline AI-powered document summarization
  • Import PDFs, text, CSV, JSON, and images
  • Built-in scanner for paper documents
  • Vision Analysis for charts and tables
  • Cited answers for verification
  • Workspaces for organizing documents
  • 100% on-device privacy
Features
Read full description

Stop scrolling through documents to find answers. With DocuMind, you can ask a question and instantly get clear, accurate answers from your files, right on your device. No internet. No accounts. No data leaving your phone. Completely on-device for full privacy. CAPTURE EVERYTHING Bring all your information into one place: • Import PDFs, text files (.txt, .md), CSV, and JSON • Add photos, screenshots, and images • Scan paper documents, receipts, and book pages with the built-in scanner • Read charts and tables with Vision Analysis, now or later Everything becomes searchable and ready to chat with. GET INSTANT ANSWERS Understand your documents faster: • Ask anything: “Summarize this”, “What’s the key idea?”, “When is the deadline?” • Get answers based only on your documents • Find both exact terms and deeper meaning • Continue conversations or branch into new questions No more skimming. Just answers. SEE EXACTLY WHERE ANSWERS COME FROM Never guess or hallucinate: • Tap citations [1] to jump to the exact page and highlighted text • Instantly verify every answer • See which parts of your documents were used • On iPhone Duo, fold it halfway to read the cited page beside your chat Built for trust and transparency. ORGANIZE YOUR WORK Keep everything structured and easy to navigate: • Workspaces to group related documents • Pin important files and chats • Clean, predictable library with no duplicates • Send a workspace to your iPhone, iPad, or Mac, ready to chat on arrival PRIVACY FIRST Your data stays yours: • 100% offline, works without internet • No accounts, no tracking, no cloud • Your files never leave your device • Get Pro once, or subscribe monthly or yearly PERFECT FOR • Students: summarize readings and understand papers • Professionals: analyze contracts, reports, and notes • Researchers: extract insights from large documents • Private & Confidential Files: safely analyze medical records, financial statements, legal documents, and sensitive information, without anything leaving your device • Everyday use: receipts, forms, and personal files Turn your files into a private, intelligent knowledge base you can talk to. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Binomial Calculator4 screens
DocuMind4 screens

Verdict

The call

The clearest difference is in-app purchases: Binomial Calculator at none against DocuMind's 3. DocuMind's advantage is ads (none vs shown) and update cadence (every 10 days vs every 10 months). On price and iOS requirement 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. DocuMind sells 3 in-app purchases, starting at $2.99 per month. Binomial Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

Binomial Calculator ships an update every 10 months, DocuMind every 10 days. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

Scorecard4 real differences · 6 level
Binomial Calculator versus DocuMind: the parameters behind the verdict, then further details
ParameterBinomial CalculatorDocuMind
PriceFreeFree
Rating—5.0 (7 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—7 — better
Update frequencyEvery 10 monthsEvery 10 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhoneiPhone, iPad, Mac — better
Requires iOS18.518.0 — better
Further details — not scored
Size5 MB47 MB
Age rating4+9+
DeveloperKevin TangCore Arc Studio LLC

In-app purchases

None

Binomial Calculator

No in-app purchases

3 purchases

DocuMind

Subscriptions2
  • DocuMind Pro Monthly$2.991 Month
  • DocuMind Pro Annual$19.991 Year
One-time1
  • DocuMind Pro$9.99

Questions

Is Binomial Calculator free?
Binomial Calculator is free to download, with no in-app purchases.
Is DocuMind free?
DocuMind is free to download, with in-app purchases available.
Do Binomial Calculator or DocuMind have ads?
Binomial Calculator shows ads; DocuMind does not.
Which is updated more often, Binomial Calculator or DocuMind?
Binomial Calculator ships an update every 10 months, and DocuMind every 10 days. Most recently, Binomial Calculator was updated on October 30, 2026 and DocuMind on November 9, 2026.

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