Comparison

iformula pro vs Digital Electronics Pro

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

Digital Electronics Pro

Features
Read full description

Digital Electronics Pro is a powerful reference tool for electronics students, engineers, and hobbyists. Whether you're just starting out or already experienced, this app helps you design, learn, and prototype with ease. It combines essential theory with practical guides and covers key digital electronics topics, including logic gates, counters, flip-flops, and IC reference data. The app also features detailed information on popular digital IC families such as TTL 7400 and CMOS 4000 series. Perfect for quick learning or as a companion for working on electronic circuits and digital systems. Available in 14 Languages: • English, French, German, Indonesian, Italian, Japanese, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Turkish, Ukrainian, and Vietnamese — study in your native language! The Pro version offers additional features, including: • Favourites feature: Allows users to save topics and access them quickly. • Full-text search: Enables quick navigation across all app content. The app includes detailed tutorials and references for: • Basic logic • Families of digital chips • Universal logic elements • Elements with Schmitt trigger • Buffer elements • Flip-flops • Registers • Counters • Adders • Multiplexers • Decoders and demultiplexers • 7-segment LED drivers • Encryptors • Digital comparators • 7400 series ICs • 4000 series ICs • Astable CMOS Oscillators • Monostable CMOS Oscillators • Bistable CMOS Oscillators • Gated CMOS Oscillators • TTL Oscillators Whether you're learning, teaching, or building real-world digital circuits, Digital Electronics Pro is your trusted companion every step of the way.

Screenshots

iformula pro4 screens
Digital Electronics Pro4 screens

Verdict

The call

The clearest difference is in-app purchases: Digital Electronics Pro at none against iformula pro's 1. Digital Electronics Pro also leads on update cadence (every 2 months vs every 4 months). iformula pro's advantage is price ($2.99 vs $4.99). On ads, device support and iOS requirement 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

iformula pro costs $2.99 and Digital Electronics Pro $4.99 up front. iformula pro sells 1 one-off in-app purchase. Digital Electronics Pro asks for nothing beyond the download.

UpkeepUpdate frequency

iformula pro ships an update every 4 months, Digital Electronics Pro every 2 months. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

Scorecard3 real differences · 7 level
iformula pro versus Digital Electronics Pro: the parameters behind the verdict, then further details
Parameteriformula proDigital Electronics Pro
Price$2.99 — better$4.99
Rating3.0 (2 ratings) — better—
Positive reviews45.5% of reviews—
Number of ratings2 — better—
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS17.616.0 — better
Further details — not scored
Size88 MB21 MB
Age rating17+4+
DeveloperTobias WernerALG Software Lab SIA

In-app purchases

1 purchases

iformula pro

One-time1
  • draw function graph$0.99
None

Digital Electronics Pro

No in-app purchases

Questions

Is iformula pro free?
iformula pro costs $2.99, and also offers in-app purchases.
Is Digital Electronics Pro free?
Digital Electronics Pro costs $4.99, with no in-app purchases.
Do iformula pro or Digital Electronics Pro have ads?
Neither iformula pro nor Digital Electronics Pro shows ads.
Which is updated more often, iformula pro or Digital Electronics Pro?
iformula pro ships an update every 4 months, and Digital Electronics Pro every 2 months. Most recently, iformula pro was updated on October 13, 2026 and Digital Electronics Pro on October 12, 2026.

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