Logic Op vs NRRS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Logic Op
This pocket reference provides essential information and examples for basic digital logic concepts. It covers logic gates, Boolean logic, flip-flops, Karnaugh maps, number conversions, and two's complement arithmetic.
- Logic Gates references and examples
- Boolean Logic references and examples
- Flip-Flops references
- Karnaugh Maps with solvers
- Number Conversion with solvers
- Two's Complement solver
Read full descriptionHide full description
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.
NRRS
Read full descriptionHide full description
The Nebraska Resource and Referral App is designed for families, and those who work with them to locate service providers, resources, and programs. The app provides individuals the opportunity to have a real choice in the diverse selection of service providers by allowing users to more easily locate services of local and state agencies. Features: · Search function · Quick links to categories · Browse by Categories · Bookmark resources as “favorites” · Thousands of resources at your fingertips The Omaha Metro App is brought to you by Answers4Families. Helping families locate services and resources.d
Screenshots
Verdict
The clearest difference is price: NRRS at Free against Logic Op's $2.99. NRRS also leads on update cadence (every 16 months vs every 38 months). Logic Op's advantage is iOS requirement (15.3 vs 17.6). On 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
NRRS is free to download; Logic Op costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Logic Op ships an update every 38 months, NRRS every 16 months. The most recent releases landed on July 1, 2026 and October 8, 2026 respectively.
| Parameter | Logic Op | NRRS |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 20.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 38 months | Every 16 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.3 — better | 17.6 |
| Further details — not scored | ||
| Size | 27 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Sigma Sky, LLC | Answers4Families |
In-app purchases
Logic Op
No in-app purchases
NRRS
No in-app purchases
