Comparison

Messo vs Notepad Calculator

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

Head to head
About

Messo

Features
Read full description

Messo is a simple to-do list, task manager, and notes app that helps you organize everyday tasks in one clean, flexible space. Create to-do lists, add tasks, track important dates, and keep notes together β€” without switching between multiple apps. Use spaces to separate your work, personal life, and important events, so everything stays clear and focused. Stay organized with to-dos and tasks Create simple to-do lists and individual tasks Check items off and track progress at a glance Focus on what needs to be done today Organize everything in spaces Separate work, personal tasks, and events Keep related items together in one view Switch between spaces as your priorities change Available widgets Messo lets you add different widgets to each space: To-Do β€” simple checklists for everyday tasks Task β€” individual tasks with progress tracking Countdown β€” track birthdays, events, and deadlines Time Since β€” see how much time has passed since an important date Notes β€” write quick thoughts and reminders Clock β€” view the current time for selected locations Clean and distraction-free Minimal design that’s easy to scan No complex setup or unnecessary features Designed for clarity and daily use Messo is ideal if you’re looking for a lightweight to-do app that combines tasks, lists, countdowns, time tracking, and notes in one simple workspace.

About

Notepad Calculator

Features
Read full description

Notepad Calculator is a smart calculator disguised as a notepad. Instead of juggling a calculator app and a notes app, just write what you're thinking β€” every line is calculated instantly, right next to your words. Write math the way you think Type expressions in plain language and get answers on the same line: 500 + 200 * 3 β†’ solved as you type, no equals button needed 10 km in miles, 5 feet 6 inches + 8 in today + 3 weeks, Jan 1 2025 to Mar 1 2025 tax = 15% then reuse price + tax anywhere below 8%, VAT, tip, subtotals and totals with #tag aggregation Every answer becomes a variable you can reference later, so multi-step calculations stay readable. Powerful, all offline A fast local engine handles a huge range of math with no internet, accounts, or AI required: Functions: sqrt, sin, cos, tan, log, ln, exp, abs, round, max, min, pow, and more Constants: pi, tau, phi, e Units & conversions: length, weight, volume, time, speed, temperature, electrical, and custom units Currency conversion with offline-cached exchange rates and a live "Update Rates" refresh Statistics, percentages, bases & bitwise (hex/binary/octal), trig in degrees or radians Chinese large-number support (δΈ‡ / δΊΏ) and spelled-out numbers (million, billion) Make it yours Definition Sheet β€” define global variables, your own units (1 box = 12 items), and custom functions (f(x) = x * 2) that apply to every document Organize work into folders, pin, archive, and search across all notes Headers (# Title), dividers (---), and tag totals keep long sheets tidy Tint the results column, align answers, and adjust line spacing to taste Export any sheet to Markdown or CSV Built for Mac Menubar Quick Calc β€” pop open an instant calculator from the status bar without leaving your work iCloud sync β€” your notes and calculations follow you to iPhone and iPad Native Mac storage, autosave, and a clean three-pane layout (sidebar Β· editor Β· live results) Smart autocomplete for units, currencies, functions, and variables 10 interface languages with live switching Whether you're estimating a project budget, converting recipes, planning a trip, or just splitting a bill, Notepad Calculator turns your notes into a living spreadsheet β€” without the spreadsheet.

Screenshots

Messo4 screens
Notepad Calculator3 screens

Verdict

The call

The clearest difference is price: Messo at Free against Notepad Calculator's $2.99. Messo also leads on update cadence (every 4 days vs fortnightly). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Messo is free to download; Notepad Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Messo ships an update every 4 days, Notepad Calculator fortnightly. Both last shipped on October 31, 2026.

Scorecard2 real differences Β· 4 level
Messo versus Notepad Calculator: the parameters behind the verdict, then further details
ParameterMessoNotepad Calculator
PriceFree β€” better$2.99
Update frequencyEvery 4 days β€” betterFortnightly
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, Mac β€” better
Requires iOS17.617.0 β€” better
Further details β€” not scored
Size81 MB4 MB
Age rating4+4+
DeveloperStas Morozovζ–Ήζˆ 印

In-app purchases

None

Messo

No in-app purchases

None

Notepad Calculator

No in-app purchases

Questions

Is Messo free?
Messo is free to download, with no in-app purchases.
Is Notepad Calculator free?
Notepad Calculator costs $2.99, with no in-app purchases.
Do Messo or Notepad Calculator have ads?
Neither Messo nor Notepad Calculator shows ads.
Which is updated more often, Messo or Notepad Calculator?
Messo ships an update every 4 days, and Notepad Calculator fortnightly. Most recently, Messo was updated on October 31, 2026 and Notepad Calculator on October 31, 2026.

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