Comparison

Unit Converter vs Calculator Toolkit

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

Head to head
About

Unit Converter

This app provides a comprehensive suite of tools for unit and currency conversions, along with various calculators and scientific constants. It offers real-time exchange rates, works offline, and supports a wide range of categories. Enjoy a user-friendly experience with features like dark mode and no conversion limits.

Highlights
  • Unit conversions
  • Currency conversions
  • Real-time exchange rates
  • Offline functionality
  • Variety of calculators
  • Scientific constants
  • Dark mode
Features
Read full description

OmniConvert is a powerful unit and currency converter focused on functionality, usability, and speed. It is completely free, supports a wide variety of conversion categories, and works offline. Exchange rates are updated in real-time (when connected to the internet) and all 166 major world currencies are supported. There are no conversion limits or size restrictions, and it even comes with a dark mode! OmniConvert offers an additional selection of useful calculators (e.g. salary, gratuity, baking) along with compilations of common scientific constants relevant to fields like physics and chemistry. Conversions: Currency, Volume, Mass, Temperature, Time, Length, Speed, Gas, Area, Energy, Pressure, Torque, Data, Angle, Frequency, Planetary Weight Calculators: Salary, Tip, Baking, Percentage, Mortgage, Auto Loan, BMI Constants: Chemistry, Physics, Density, Unit Prefix, Mathematics, Medicine, Astrophysics. Omniconvert is optimized for iPhone X, 11, 12, 13, 14, 15, and 16 as well as the Pro and Max variants of these devices.

About

Calculator Toolkit

Features
Read full description

All in one calculator app for daily, finance and smart calculations Simplify your everyday calculations with a fast and easy to use calculator app. This app combines basic calculator functions with powerful tools for finance, health, travel and daily needs. Perfect for students, professionals and anyone who needs quick and accurate results. Basic Calculator Fast and accurate calculations Clean and simple interface Smooth performance for daily use Smart Everyday Tools Age Calculator to calculate exact age Age Difference Calculator to compare ages Percentage Calculator for quick percentage calculations Discount Calculator to find savings while shopping Split Bill Calculator to divide expenses easily Fuel Cost Calculator to estimate travel cost Unit Converter for length, weight, temperature and more Finance Calculators EMI Calculator to plan loan payments GST Calculator for quick tax calculations in India SIP Calculator to estimate investment returns Total Purchase Cost Calculator to calculate final cost Travel and Utility Trip Expense Calculator to plan your travel budget Health Tool BMI Calculator to track body mass index Analytics Track your calculation usage and activity Why choose this app All in one calculator with multiple tools Saves time with everything in one place Simple and user friendly design Lightweight and fast performance Useful for daily, finance, health and travel calculations Popular uses EMI and loan calculation GST calculation for shopping and business Discount and percentage calculations Travel and fuel cost estimation Health tracking using BMI Unit conversions for daily needs Download now and make your calculations faster and easier

Screenshots

Unit Converter4 screens
Calculator Toolkit4 screens

Verdict

The call

The clearest difference is in-app purchases: Calculator Toolkit at none against Unit Converter's 1. Calculator Toolkit also leads on ads (none vs shown) and iOS requirement (15.1 vs 17.0). Unit Converter's advantage is update cadence (weekly vs every 3 months). On price 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. Unit Converter sells 1 one-off in-app purchase. Calculator Toolkit asks for nothing beyond the download.

UpkeepUpdate frequency

Unit Converter ships an update weekly, Calculator Toolkit every 3 months. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

Scorecard4 real differences · 6 level
Unit Converter versus Calculator Toolkit: the parameters behind the verdict, then further details
ParameterUnit ConverterCalculator Toolkit
PriceFreeFree
Rating5.0 (42 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings42 — better—
Update frequencyWeekly — betterEvery 3 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPod — better
Requires iOS17.015.1 — better
Further details — not scored
Size35 MB56 MB
Age rating4+4+
DeveloperJonathan ChenUrmin Hirpara

In-app purchases

1 purchases

Unit Converter

One-time1
  • OmniConvert Pro$2.99
None

Calculator Toolkit

No in-app purchases

Questions

Is Unit Converter free?
Unit Converter is free to download, with in-app purchases available.
Is Calculator Toolkit free?
Calculator Toolkit is free to download, with no in-app purchases.
Do Unit Converter or Calculator Toolkit have ads?
Unit Converter shows ads; Calculator Toolkit does not.
Which is updated more often, Unit Converter or Calculator Toolkit?
Unit Converter ships an update weekly, and Calculator Toolkit every 3 months. Most recently, Unit Converter was updated on November 3, 2026 and Calculator Toolkit on October 28, 2026.

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