GCD and LCM vs HSLU Informatik
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GCD and LCM
This app calculates the Greatest Common Divisor (GCD) and Least Common Multiple (LCM) for up to four numbers. It also provides prime factorization and keeps a history of calculations, which can be emailed.
- Calculates GCD/GCF for 2-4 numbers
- Calculates LCM for 2-4 numbers
- Finds prime factorization
- Stores calculation history
- Sends results and history via email
- Supports portrait and landscape modes
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GCD and LCM calculator - calculate the Greatest Common Factor/Greatest Common Divisor and the Least Common Multiple. The app finds the greatest common divisor (GCD)/greatest common factor (GCF) and Least Common Multiple (LCM) of two, three numbers and four numbers. Finds the prime factorization of numbers and shows it in the standard and exponential forms. Just enter two, three or four integers and tap "Calculate". The app lists all factors and identifies the common ones. Keeps calculation history. Sends results and history via email. Supports both portrait and landscape orientation.
HSLU Informatik
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This official App of the Lucerne University of Applied Sciences and Arts - Information Technology offers information for students and about our campus. The App is developed and maintained by students. The App offers the following features: * Dashboard with the daily canteen menu * Weekly canteen menu * Roomsearch * Get to know the campus with our trails * Some web based content: * MyCampus * News * HitchHike * Events * Person search * ALUMNI * ILIAS
Screenshots
Verdict
The clearest difference is price: HSLU Informatik at Free against GCD and LCM's $3.99. GCD and LCM's advantage is device support (4 vs 1) and iOS requirement (12.0 vs 16.0). On update cadence, ads and in-app purchases 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
HSLU Informatik is free to download; GCD and LCM costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
GCD and LCM ships an update every 19 months, HSLU Informatik every 15 months. The most recent releases landed on November 1, 2026 and May 28, 2026 respectively.
| Parameter | GCD and LCM | HSLU Informatik |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 2.0 (2 ratings) — better | — |
| Positive reviews | 69.2% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 19 months | Every 15 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 14 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Intemodino Group s.r.o. | Hochschule Luzern |
In-app purchases
GCD and LCM
No in-app purchases
HSLU Informatik
No in-app purchases
Questions
Is GCD and LCM free?
Is HSLU Informatik free?
Do GCD and LCM or HSLU Informatik have ads?
Which is updated more often, GCD and LCM or HSLU Informatik?
Other comparisons
