Comparison

Numerical³ vs Mark2Do

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

Head to head
About

Numerical³

A powerful and beautifully designed calculator app that offers advanced scientific functions, automatic bracket handling, and a unique no-equals button interface. It integrates seamlessly with iOS features like widgets and keyboards for calculations anywhere.

Highlights
  • No equals button interface
  • Automatic bracket handling
  • Full scientific keypad
  • Today Widget integration
  • Numerical² Keyboard for any app
  • Equation editing
  • Customizable themes
Features
Read full description

Numerical³ is still the calculator without equal. The first Numerical shipped in 2014—v3 brings long-requested improvements and the same focus on delightful, minimalist utility apps.MAC TOONumerical runs natively on macOS: multiple windows, tabs, resizing, desktop widgets, full keyboard support, and synced history. Download it on the Mac App Store.WIDGETSLock screen and Home Screen widgets—modernized on iPhone and iPad.THEMESBrand-new neo-morphic themes alongside our most popular picks—each with light and dark variants that follow your iOS appearance settings. Use the Theme Picker to preview them all.ICONSTheme Home Screen icons match iOS 26 with glass effects, Dark Mode, and tints.HISTORYYour equations stay visible on screen—above the keyboard on iPhone (portrait) and to the side on iPad and Mac. iCloud keeps history in sync across iPhone, iPad, and Mac.KEYBOARDSExternal keyboards are fully supported on iPhone, iPad, and macOS—including the shortcuts you expect.SOUND FXSounds and clicky feedback on iPhone, iPad, and Mac. Haptics on iPhone.14+ LANGUAGESThe entire app is localized in 14+ languages—including Japanese, Chinese, Korean, and Russian—with international digits and formats. Missing yours? Let us know.Mana Machines—Numerical³ and upcoming apps from a studio focused on delightful, minimal, human-centered utilities. More on the way.Questions or feedback: manamachineventures@gmail.comDeveloped by Andrew J Clark. Designed by Andrew J Clark & Alex Vanderzon.

About

Mark2Do

Features
Read full description

Mark2Do - 極簡待辦事項管理 (To-Do List) 厭倦了煩瑣的 To-Do List 嗎?Mark2Do 為您提供一個極簡的待辦事項管理工具,讓您只需專注於記下待辦事宜,無需再為複雜的操作煩惱。 功能特色: - 簡潔界面:直觀易用的設計,讓您一目了然您的待辦事項。 - 快速記錄:輕鬆添加和管理您的待辦事宜,節省寶貴時間。 - 專注所需:只專注於記下您所想,您所需要的事,無多餘功能打擾。 無論是日常生活還是工作計劃,Mark2Do 都能幫助您保持條理,提升效率。立即下載,體驗極簡待辦事宜管理的魅力! 下載 Mark2Do,開始您的高效生活之旅吧!

Screenshots

Numerical³4 screens
Mark2Do4 screens

Verdict

The call

The clearest difference is update cadence: Numerical³ at every 2 weeks against Mark2Do's every 5 months. Mark2Do's advantage is iOS requirement (15.6 vs 18.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Numerical³ ships an update every 2 weeks, Mark2Do every 5 months. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 8 level
Numerical³ versus Mark2Do: the parameters behind the verdict, then further details
ParameterNumerical³Mark2Do
PriceFreeFree
Rating4.8 (1.3K ratings) — better—
Positive reviews74.9% of reviews—
Number of ratings1.3K — better—
Update frequencyEvery 2 weeks — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS18.015.6 — better
Further details — not scored
Size175 MB27 MB
Age rating4+4+
DeveloperAndrew J ClarkHiuChun Wong

Bugs and requests

Numerical³

Reported bugs

3 issues
  • Unresponsive keys
  • Calculation errors
  • Crashes on startup

Requested features

5 requests
  • Add scientific functions (square root, trigonometry, etc.)
  • Implement an equals button
  • Add more theme options
  • Develop an iPad version
  • Bring back widget support

Mark2Do

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Numerical³

No in-app purchases

None

Mark2Do

No in-app purchases

Questions

Is Numerical³ free?
Numerical³ is free to download, with no in-app purchases.
Is Mark2Do free?
Mark2Do is free to download, with no in-app purchases.
Do Numerical³ or Mark2Do have ads?
Neither Numerical³ nor Mark2Do shows ads.
Which is updated more often, Numerical³ or Mark2Do?
Numerical³ ships an update every 2 weeks, and Mark2Do every 5 months. Most recently, Numerical³ was updated on October 14, 2026 and Mark2Do on October 9, 2026.

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