Comparison

Atom Calculator vs Molar Mass Calculator Pro

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

Head to head

Atom Calculator

Atomic number, atomic mass

$2.99

🔧 Utilities

No ratingsView app →

Molar Mass Calculator Pro

Make calculations easier

$2.99

🔧 Utilities

★ 4.86 ratingsView app →

About

Atom Calculator

Features

Read full description

The atom calculator is a tool for calculating the atomic number and the mass number based on numbers of atom components - protons, neutrons, and electrons (or vice versa). In addition, you can define the charge of ions with known numbers of protons and electrons.

About

Molar Mass Calculator Pro

Easily calculate the molar mass of chemical compounds by simply entering the formula. This app offers instant, efficient, and intuitive calculations with a beautiful user interface, making it ideal for students.

Highlights

Molar mass calculation
Formula input
Instant results
Efficient processing
Simple interface
Beautiful UI

Features

Read full description

A must-have for students !!! This application calculates for you the molar mass of a chemical compound. Just enter your formula. Features: -Modern -Instant calculation -Efficient -Simple -Beautiful user interface -Intuitive

Screenshots

Atom Calculator4 screens

Molar Mass Calculator Pro4 screens

Verdict

The call

The clearest difference is update cadence: Molar Mass Calculator Pro at every 17 months against Atom Calculator's every 35 months. Atom Calculator's advantage is iOS requirement (12.0 vs 15.4). 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

Atom Calculator costs $2.99 and Molar Mass Calculator Pro $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Atom Calculator ships an update every 35 months, Molar Mass Calculator Pro every 17 months. The most recent releases landed on October 26, 2026 and November 3, 2026 respectively.

Scorecard2 real differences · 8 level

Atom Calculator versus Molar Mass Calculator Pro: the parameters behind the verdict, then further details
Parameter	Atom Calculator	Molar Mass Calculator Pro
Price	$2.99	$2.99
Rating	—	4.8 (6 ratings) — better
Positive reviews	—	100.0% of reviews
Number of ratings	—	6 — better
Update frequency	Every 35 months	Every 17 months — better
Ads	No	No
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod, Apple Watch — better
Requires iOS	12.0 — better	15.4
Further details — not scored
Size	13 MB	7 MB
Age rating	4+	4+
Developer	Gorasiya Vishal Nanjibhai	Pylyp Chernov

In-app purchases

None

Atom Calculator

No in-app purchases

None

Molar Mass Calculator Pro

No in-app purchases

Questions

Is Atom Calculator free?

Atom Calculator costs $2.99, with no in-app purchases.

Is Molar Mass Calculator Pro free?

Molar Mass Calculator Pro costs $2.99, with no in-app purchases.

Do Atom Calculator or Molar Mass Calculator Pro have ads?

Neither Atom Calculator nor Molar Mass Calculator Pro shows ads.

Which is updated more often, Atom Calculator or Molar Mass Calculator Pro?

Atom Calculator ships an update every 35 months, and Molar Mass Calculator Pro every 17 months. Most recently, Atom Calculator was updated on October 26, 2026 and Molar Mass Calculator Pro on November 3, 2026.