Comparison

Unit Converter vs Molecular Weight Calculator

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 offers a wide range of unit conversions for various measurements, from temperature to length. It features a user-friendly interface, customizable themes, and smart features that remember your frequent conversions. It also links to external apps for specialized tasks.

Highlights
  • Broad conversion spectrum
  • Personalizable themes
  • User-friendly interface
  • Smart features for frequent conversions
  • Links to specialized external apps
Features
Read full description

Discover the ultimate convenience in unit conversion with Unit Converter, an app that's as adaptable as it is accurate. Designed for anyone who deals with diverse measurements, this app not only provides a wide array of conversion options but also links to external applications for specialized tasks. Features: - Broad Conversion Spectrum: From temperatures to lengths, and angles to velocities, convert between various units with confidence. Our app supports an extensive range of categories to cater to all your conversion needs. - Personalizable Themes: Enjoy a personalized experience with our selection of themes. Whether you're a fan of minimal light modes or prefer the sleekness of dark themes, our app is designed to suit your aesthetic. - User-Friendly Interface: With its intuitive design, our app makes navigation and conversion simple and efficient. Instantly find the category you need with our clear and identifiable icons. - Smart Features: Our app remembers your most-used conversions, streamlining your tasks and enhancing productivity. - Unit Converter is not just an app; it's a comprehensive tool that bridges the gap to specialized applications, ensuring you're equipped for every measuring task. It's ideal for academics, professionals, and everyday life. Download Unit Converter now for a smarter, more connected way to handle all your unit conversion needs! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Molecular Weight Calculator

This tool calculates the average molecular weight of molecules using their chemical formulas. It offers instant results, supports high precision, and is optimized for everyday use on iOS devices. The app prioritizes user privacy and is ad-free.

Highlights
  • Instant molecular weight calculation
  • Copy results to other apps
  • Includes formula references
  • Supports up to 16 decimal places
  • Works on iPhone and iPad
  • Ad-free and privacy-focused
Features
Read full description

The Molecular Weight Calculator is a physics/math tool designed to find the average molecular weight (MW) of molecules by inputting their chemical formulas. Features: - Instant calculation - Results can be copied to other apps - Includes formula references - Supports up to 16 decimal places - Works seamlessly on both iPhone and iPad. - Lightweight, compact app optimized for everyday use. - Ad-free and built with privacy in mind. Note: Chemical formulas are case-sensitive (e.g., C22H30N4O). Definitions: - Molecular mass (molecular weight): The mass of one molecule of a substance, expressed in unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12) - Molar mass (molar weight): The mass of one mole of a substance, expressed in grams per mole (g/mol). Thank you for your support! Visit nitrio.com for more apps for your iOS devices.

Screenshots

Unit Converter4 screens
Molecular Weight Calculator4 screens

Verdict

The call

The clearest difference is price: Unit Converter at Free against Molecular Weight Calculator's $2.99. Unit Converter also leads on update cadence (every 13 months vs every 29 months) and ratings volume (13 vs 3). Molecular Weight Calculator's advantage is in-app purchases (none vs 2) and ads (none vs shown). On 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

Unit Converter is free to download; Molecular Weight Calculator costs $2.99 up front. Unit Converter sells 2 in-app purchases, starting at $4.99 per month. Molecular Weight Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Molecular Weight Calculator holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 13 and 3 respectively.

UpkeepUpdate frequency

Unit Converter ships an update every 13 months, Molecular Weight Calculator every 29 months. Both last shipped on November 2, 2026.

Scorecard7 real differences · 2 level
Unit Converter versus Molecular Weight Calculator: the parameters behind the verdict, then further details
ParameterUnit ConverterMolecular Weight Calculator
PriceFree — better$2.99
Rating4.8 (13 ratings)5.0 (3 ratings) — better
Number of ratings13 — better3
Update frequencyEvery 13 months — betterEvery 29 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.413 — better
Further details — not scored
Size50 MB1 MB
Age rating4+4+
DeveloperxNeat.comNitrio

Customer experience

Unit Converter

All ratings13 ratings
Positive92.3%
Neutral7.7%
Negative0.0%

Molecular Weight Calculator

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Unit Converter

Subscriptions2
  • Unit Converter3 Days trial$4.991 Month
  • Unit Converter3 Days trial$39.991 Year
None

Molecular Weight Calculator

No in-app purchases

Questions

Is Unit Converter free?
Unit Converter is free to download, with in-app purchases available.
Is Molecular Weight Calculator free?
Molecular Weight Calculator costs $2.99, with no in-app purchases.
Which has better reviews, Unit Converter or Molecular Weight Calculator?
Molecular Weight Calculator is rated higher. Unit Converter averages 4.8 out of 5 from 13 ratings, while Molecular Weight Calculator averages 5.0 from 3 ratings.
Do Unit Converter or Molecular Weight Calculator have ads?
Unit Converter shows ads; Molecular Weight Calculator does not.
Which is updated more often, Unit Converter or Molecular Weight Calculator?
Unit Converter ships an update every 13 months, and Molecular Weight Calculator every 29 months. Most recently, Unit Converter was updated on November 2, 2026 and Molecular Weight Calculator on November 2, 2026.

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