Comparison

Electrical Filters 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

Electrical Filters

Features
Read full description

Electrical Filter Calculator - Butterworth, Chebyshev, InverseChebyshev, Cauer-Elliptical, Bessel-Thompson Filters, Legendre Filters. Free version only calculates Low-Pass for all filter types and High-Pass for Butterworth and Chebyshev.

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

Electrical Filters4 screens
Digital Electronics Pro4 screens

Verdict

The call

The clearest difference is price: Electrical Filters at Free against Digital Electronics Pro's $4.99. Electrical Filters also leads on iOS requirement (5.1.1 vs 16.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Electrical Filters is free to download; Digital Electronics Pro costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Electrical Filters ships an update monthly, Digital Electronics Pro every 2 months. The most recent releases landed on October 1, 2026 and October 12, 2026 respectively.

Scorecard2 real differences Ā· 4 level
Electrical Filters versus Digital Electronics Pro: the parameters behind the verdict, then further details
ParameterElectrical FiltersDigital Electronics Pro
PriceFree — better$4.99
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS5.1.1 — better16.0
Further details — not scored
Size7 MB21 MB
Age rating4+4+
DeveloperAli LopezALG Software Lab SIA

In-app purchases

None

Electrical Filters

No in-app purchases

None

Digital Electronics Pro

No in-app purchases

Questions

Is Electrical Filters free?
Electrical Filters is free to download, with no in-app purchases.
Is Digital Electronics Pro free?
Digital Electronics Pro costs $4.99, with no in-app purchases.
Do Electrical Filters or Digital Electronics Pro have ads?
Neither Electrical Filters nor Digital Electronics Pro shows ads.
Which is updated more often, Electrical Filters or Digital Electronics Pro?
Electrical Filters ships an update monthly, and Digital Electronics Pro every 2 months. Most recently, Electrical Filters was updated on October 1, 2026 and Digital Electronics Pro on October 12, 2026.

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