Comparison

Calculator Notes vs Quarterdeck Pro

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

Head to head
About

Calculator Notes

This app combines a calculator with spreadsheet functionality, allowing users to automatically sum item values. It supports unlimited folders and notes, with features like goal setting and batch operations. Widgets are available for home and lock screens.

Highlights
  • Automatic total value calculation
  • Unlimited folders, notes, and items
  • CSV output and sharing
  • Goal setting and progress tracking
  • Batch operations (copy, duplicate, color coding)
  • Home & lock screen widgets
  • Dark mode
Read full description

It is a calculator notepad that automatically calculates the total value. A simple spreadsheet application. Widget compatible. All features are completely free to use. - Unlimited folders/notes/items - Automatically calculate the total value of items - CSV output / save file / share to SNS - Set goals and deadlines and display percentages - Batch operations such as copy/duplicate/color coding - filter and sort - Consumption tax calculation and fixed cost settings - Easy input from history - Home & lock screen widget support - dark mode

About

Quarterdeck Pro

This app serves as a centralized workspace for professionals to manage tasks, notes, code snippets, finances, and projects. It offers features like priority task management, rich text notes, financial tracking, and project oversight, all synced across devices.

Highlights
  • Task management with priorities and deadlines
  • Rich text note-taking
  • Finance tracking for income and expenses
  • Code snippet storage
  • Project management
  • iCloud sync across devices
Features
Read full description

Quarterdeck is a notes app with Apple Intelligence built in — and it runs on your iPhone, not on someone's server. Summarize a long note. Pull the action items out of a meeting write-up and turn them into real tasks. Ask what your spending is telling you. All of it happens on-device, which means it works on a plane, and nothing you write is uploaded to be processed. WRITE THE WAY YOU ACTUALLY WORK • Rich text with headings, lists and checklists • Drop in photos and PDFs — they sit inline, where you put them • Dictate straight into a page and watch the words land as you speak • Scan a document with the camera and keep it as a real page, not a snapshot • Search finds words inside your images, not just the ones you typed • Lock a note behind Face ID or a PIN CAPTURE IT WHEREVER YOU ARE • Share a page from Safari and it arrives as a note, with a preview card • Home Screen widgets for today's tasks and one-tap capture • "Hey Siri, note this in Quarterdeck" • Everything syncs over iCloud, privately, across iPhone, iPad and Mac MORE THAN NOTES • Tasks — priorities, due dates, checklists, repeats • Agenda — your day and week, with real repeating events • Projects — plan work and track it to done • Finance — income, expenses, bills and budgets, with AI reading the trend • Code — a snippet library that explains any snippet back to you FREE, AND HONESTLY FREE Notes, tasks, agenda and projects are free forever — not a trial, not a countdown. You also get five Apple Intelligence runs a month at no charge, so you can judge it on your own notes. Quarterdeck Pro makes AI unlimited and adds dictation, document scanning, unlimited attachments, and the Finance and Code modules. Try Pro free for a week. PRIVACY Apple Intelligence runs on your device. Your notes sync through your own iCloud account. There is no Quarterdeck server, no account to create, and no analytics following you around. Requires an Apple Intelligence–capable device for the AI features. Everything else works on any iPhone running iOS 17 or later. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Calculator Notes4 screens
Quarterdeck Pro4 screens

Verdict

The call

The clearest difference is in-app purchases: Calculator Notes at none against Quarterdeck Pro's 3. Calculator Notes also leads on ratings volume (3 vs 1). Quarterdeck Pro's advantage is ads (none vs shown) and update cadence (every 4 days vs every 12 months). On price, rating 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. Quarterdeck Pro sells 3 in-app purchases, starting at $7.99 per month. Calculator Notes asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Calculator Notes against 5.0 for Quarterdeck Pro. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

UpkeepUpdate frequency

Calculator Notes ships an update every 12 months, Quarterdeck Pro every 4 days. The most recent releases landed on June 1, 2026 and September 17, 2026 respectively.

Scorecard6 real differences · 4 level
Calculator Notes versus Quarterdeck Pro: the parameters behind the verdict, then further details
ParameterCalculator NotesQuarterdeck Pro
PriceFreeFree
Rating5.0 (3 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings3 — better1
Update frequencyEvery 12 monthsEvery 4 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFreemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.017.0 — better
Further details — not scored
Size11 MB9 MB
Age rating4+4+
DeveloperFugaPiyo Inc.Dylan Dalmeida

Customer experience

Calculator Notes

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Quarterdeck Pro

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Calculator Notes

No in-app purchases

3 purchases

Quarterdeck Pro

Subscriptions2
  • Monthly$7.991 Month
  • Yearly$49.991 Year
One-time1
  • Lifetime$89.99

Questions

Is Calculator Notes free?
Calculator Notes is free to download, with no in-app purchases.
Is Quarterdeck Pro free?
Quarterdeck Pro is free to download, with in-app purchases available.
Which has better reviews, Calculator Notes or Quarterdeck Pro?
Calculator Notes and Quarterdeck Pro are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.
Do Calculator Notes or Quarterdeck Pro have ads?
Calculator Notes shows ads; Quarterdeck Pro does not.
Which is updated more often, Calculator Notes or Quarterdeck Pro?
Calculator Notes ships an update every 12 months, and Quarterdeck Pro every 4 days. Most recently, Calculator Notes was updated on June 1, 2026 and Quarterdeck Pro on September 17, 2026.

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