LCM GCD Prime Factor Math vs PFD Calc
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
LCM GCD Prime Factor Math
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This application is a mathematical tool that helps to find the LCM (least common multiple) and the GCD (greatest common divisor) of up to 4 numbers. Factorization : integers of up to 7 digits are allowed as input. You can decomposing numbers up to 9999999 into prime factors and find out if a number is prime or not.
PFD Calc
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The app calculates prime factorization.
Screenshots
Verdict
The clearest difference is price: PFD Calc at Free against LCM GCD Prime Factor Math's $0.99. PFD Calc also leads on update cadence (every 5 weeks vs every 18 months). LCM GCD Prime Factor Math's advantage is ads (none vs shown) and iOS requirement (11.0 vs 15.0). On in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
PFD Calc is free to download; LCM GCD Prime Factor Math costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
LCM GCD Prime Factor Math ships an update every 18 months, PFD Calc every 5 weeks. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.
| Parameter | LCM GCD Prime Factor Math | PFD Calc |
|---|---|---|
| Price | $0.99 | Free โ better |
| Update frequency | Every 18 months | Every 5 weeks โ better |
| Ads | No โ better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 โ better | 15.0 |
| Further details โ not scored | ||
| Size | 5 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Maria Dolores Garcia Ferre | Kazuhisa Kobayashi |
In-app purchases
LCM GCD Prime Factor Math
No in-app purchases
PFD Calc
No in-app purchases
Questions
Is LCM GCD Prime Factor Math free?
Is PFD Calc free?
Do LCM GCD Prime Factor Math or PFD Calc have ads?
Which is updated more often, LCM GCD Prime Factor Math or PFD Calc?
Other comparisons
