Comparison

iformula pro vs Chemist Calc

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

Head to head
About

iformula pro

This comprehensive math learning platform offers over 4000 equations and functions across various advanced topics. It features a powerful search, a scientific calculator, note-taking, and bookmarking capabilities to aid academic study and professional reference.

Highlights
  • Over 4000 math equations
  • Full-featured equation search
  • New scientific calculator
  • Notes system
  • Bookmarking for favorite equations
  • Dual language support (English & German)
Features
Read full description

iformula pro is much more than a simple math equation library app like other apps, it is a math productive learning platform and has become a standard for higher math education at schools and universities ! iformula pro was specially developed for academic students, engineers, high school students, math course students and for math home schooling and distance learning, as well as a refresher for scientist with higher mathematics skills and all people, who are interested in math. Failing an exam or can't go on with your calculations, because not knowing an equation, belong to the past ! iformula pro app includes the following functions: ► Math equation topics, more than 4000 of math equations included: * Areas, Planes * Analysis * Binomials * Bodies * Complex Numbers * Constants * Derive * Differential Equation * Fractions * Geometric Constructions * Geometry * Graphic Functions * Greek Alphabet * Integration * Logarithm * La Place * Power * Probability * Quadratic Equations * Roots * Series, Sequences * Trigonometry * Units * Statistical distributions * Distribution tables * and much more ► App functions: * Full featured equation and math topics search functionality (search for thousands of math topics) * New Scientific calculator (re-engineered) * Notes system for important equation notes * Bookmarking system for your favorite equations ! * Full app dual language support: English & German * Search for all topics and categories All math formulas and functions are included in the app no, need to download anything ! There is no need of carrying around heavy paper mathematics library books anymore - iformula is your right choice ! This app does not include any annoying advertisement !! That powerful validation, and our reputation for safety, durability, reliability, and ease of use, has also driven our consumer dedication further than ever anticipated. Moving forward, our commitment to "Perfection" remains steadfast: We will never compromise quality. We will continue to invest tremendous resources in the technology and talent necessary to improve our products wherever possible; and we will always strive to deliver maximum customer satisfaction! Exclusion of liability ! Exclusion of warranty and guarantee !

About

Chemist Calc

This app serves as a smart chemistry calculator for converting between moles and grams. It also provides a comprehensive periodic table with element specifications and unit conversion tools.

Highlights
  • Mole to gram conversion
  • Gram to mole conversion
  • Periodic table with element specifications
  • Unit conversion
  • Learn chemistry signs
Features
Read full description

Chemist Calc is a very smart chemist calculator. You can calculate moles to gram or gram to moles. You also have the whole periodic table elements with specification inside. You can convert between different units and also learn about all chemistry signs.

Screenshots

iformula pro4 screens
Chemist Calc4 screens

Verdict

The call

The clearest difference is price: Chemist Calc at Free against iformula pro's $2.99. Chemist Calc also leads on rating (5.0 vs 3.0). iformula pro's advantage is update cadence (every 4 months vs every 9 months). On ratings volume, 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

Chemist Calc is free to download; iformula pro costs $2.99 up front. iformula pro sells 1 one-off in-app purchase and Chemist Calc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Chemist Calc holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

iformula pro ships an update every 4 months, Chemist Calc every 9 months. The most recent releases landed on October 31, 2026 and November 2, 2026 respectively.

Scorecard4 real differences · 6 level
iformula pro versus Chemist Calc: the parameters behind the verdict, then further details
Parameteriformula proChemist Calc
Price$2.99Free — better
Rating3.0 (2 ratings)5.0 (1 ratings) — better
Positive reviews45.5% of reviews—
Number of ratings2 — better1
Update frequencyEvery 4 months — betterEvery 9 months
AdsNoNo
In-app purchasesYesYes
MonetizationPaidFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.616.0 — better
Further details — not scored
Size88 MB11 MB
Age rating17+4+
DeveloperTobias Wernerilan TETRUASHVILI

Customer experience

iformula pro

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews22 reviews
Positive45.5%
Neutral18.2%
Negative36.4%

Chemist Calc

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

iformula pro

One-time1
  • draw function graph$0.99
1 purchases

Chemist Calc

One-time1
  • Remove Ad's$0.99

Questions

Is iformula pro free?
iformula pro costs $2.99, and also offers in-app purchases.
Is Chemist Calc free?
Chemist Calc is free to download, with in-app purchases available.
Which has better reviews, iformula pro or Chemist Calc?
Chemist Calc is rated higher. iformula pro averages 3.0 out of 5 from 2 ratings, while Chemist Calc averages 5.0 from 1 ratings.
Do iformula pro or Chemist Calc have ads?
Neither iformula pro nor Chemist Calc shows ads.
Which is updated more often, iformula pro or Chemist Calc?
iformula pro ships an update every 4 months, and Chemist Calc every 9 months. Most recently, iformula pro was updated on October 31, 2026 and Chemist Calc on November 2, 2026.

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