Apps by Sigma Sky, LLC
Logic Op app icon

Reference

Logic Op

Sigma Sky, LLC

$2.99 5.00 · 1 storefront · 1 rating In-app purchases unconfirmed
Open on Apple

About this app

Logic Op is a pocket reference for basic digital logic. Features include: + Logic Gates: references and examples + Boolean Logic: references and examples + Flip-Flops references + Karnaugh Maps: references, examples, and solvers + Number Conversion: references, examples, and solvers (Binary, Hexadecimal, Decimal, Octal) + Two's Complement: examples and solver + and more... No in-app purchase. No ads. Accessible offline.

Latest release

What’s New

Version 2.4 Jul 9, 2022

- iOS update,  - added stickers,  - bug fixes,  - streamlined the framework of the app to resolve deprecations and make the reference materials more quickly accessible,  - added references to some commonly used DSP formulas

Audience growth

Ratings growth

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
1 ratings
1 Aug 17, 2026 · 1 ratings Aug 17, 2026

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking

Price intelligence

1 captured event
Current $2.99
Historical low USD 2.99
Paid → free
Price history
Current $2.99
$2.99 $1.50 Free Aug 17, 2026 · $2.99 Aug 17, 2026

First snapshot captured. The trend line starts after the next crawler price observation.

  1. First observed Aug 17, 2026 · 10:54 PM $2.99

Screenshots

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