Math is Easy vs PFD Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Math is Easy
This app helps users understand prime factorization with a fast, real-time solver. It also calculates the Greatest Common Factor and Least Common Multiple, and can generate random numbers for various uses.
- Prime factorization solver
- Greatest Common Factor (GCF) calculation
- Least Common Multiple (LCM) calculation
- Random number generator
- Real-time results as you type
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Math is Easy - Change Math into Fun , now add Equation Solver function! Prime Factorisation is the best tool to find prime factors of any number . It's super fast , you can get result while typing ! Additional functions : 1. Can calculate The Greatest Common Factor . 2. Can calculate The Least Common Multiple . 3. Can generate Random numbers , it can be used for bet , password generator , and decision maker .
PFD Calc
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The app calculates prime factorization.
Screenshots
Verdict
The clearest difference is ads: Math is Easy at none against PFD Calc's shown. Math is Easy also leads on iOS requirement (7.0 vs 15.0). On price, update cadence, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Math is Easy ships an update every 2 months, PFD Calc every 5 weeks. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.
| Parameter | Math is Easy | PFD Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (2 ratings) — better | — |
| Positive reviews | 90.9% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months | Every 5 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 7.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 6 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Xiaodong Zhu | Kazuhisa Kobayashi |
In-app purchases
Math is Easy
No in-app purchases
PFD Calc
No in-app purchases
Questions
Is Math is Easy free?
Is PFD Calc free?
Do Math is Easy or PFD Calc have ads?
Which is updated more often, Math is Easy or PFD Calc?
Other comparisons
