Comparison

CalcSpark vs Mellofy

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

Head to head
About

CalcSpark

Features
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CalcSpark brings essential calculation tools together in one streamlined app. Features: • Standard calculator for everyday math • Scientific calculator with trigonometric functions, logarithms, powers, roots, and factorial • Programmer calculator with binary, octal, decimal, hexadecimal, bitwise operations, shifts, and modulo • Unit converter for length, area, volume, temperature, weight, time, angle, speed, pressure, power, and energy • Date calculator for date differences and adding or subtracting time • Calculation history for quick reuse • Clean layout optimized for both iPhone and iPad CalcSpark is designed to stay fast, clear, and practical for daily use.

About

Mellofy

Features
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Mellofy is a simple task management app for organizing daily to-dos, assigning due dates, and tracking task completion at a glance. [Core Features] • Task Management: Create, edit, complete, and delete tasks for your everyday workflow. • Categories: Use built-in categories such as General, Work, Study, Life, Health, and Shopping. • Four-Level Priority: Assign None, Low, Med, or High priority to each task. • Date-Based Browsing: Review tasks by date and keep track of the day's schedule. • Progress Tracking: View progress rings, completion rate, and summary statistics. • Overdue Indicators: Quickly identify overdue unfinished tasks in the interface. • Search & Filter: Find tasks quickly with keyword search and status/priority filters. • Statistics: Review totals, completed items, overdue items, priority distribution, and category stats. [Design Philosophy] Mellofy focuses on a clean and straightforward interface so users can capture tasks quickly and stay organized throughout the day. [Why Choose Mellofy?] • Simple & Intuitive: No account setup required for the current version. • Focused Experience: Built around core task creation, organization, filtering, and statistics. • Local Storage: Task data is stored locally on the device in this version. • Clear Insights: Basic statistics help users understand task completion progress. Download Mellofy and start managing your daily tasks with a clear and focused workflow.

Screenshots

CalcSpark4 screens
Mellofy4 screens

Verdict

The call

CalcSpark and Mellofy are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

CalcSpark ships an update every 2 months, Mellofy monthly. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

ScorecardNo meaningful differences
CalcSpark versus Mellofy: the parameters behind the verdict, then further details
ParameterCalcSparkMellofy
PriceFreeFree
Update frequencyEvery 2 monthsMonthly — better
AdsYesYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size6 MB7 MB
Age rating4+4+
Developerå…µē‘ž 陈Amy Wellshear

In-app purchases

None

CalcSpark

No in-app purchases

None

Mellofy

No in-app purchases

Questions

Is CalcSpark free?
CalcSpark is free to download, with no in-app purchases.
Is Mellofy free?
Mellofy is free to download, with no in-app purchases.
Do CalcSpark or Mellofy have ads?
Both CalcSpark and Mellofy show ads.
Which is updated more often, CalcSpark or Mellofy?
CalcSpark ships an update every 2 months, and Mellofy monthly. Most recently, CalcSpark was updated on October 14, 2026 and Mellofy on October 6, 2026.

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