Prime number Snake Panic vs PFD Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Prime number Snake Panic
Practice identifying prime numbers through an engaging game. Tap for primes and swipe for non-primes, which then decompose into a snake-like sequence. Compete globally for the highest score.
- Prime number identification
- Number decomposition
- Snake-like gameplay
- High score tracking
- Worldwide ranking
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Because the numbers are displayed For prime numbers, tap For non-prime numbers, swipe Non-prime numbers are decomposed in the direction of a swipe and become long like a snake. It ’s very fun to learn prime numbers. Aim for a high score with a prime smash!! Equipped with a worldwide ranking function! Let's aim for 1st place music:ConteDeFees
PFD Calc
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The app calculates prime factorization.
Screenshots
Verdict
The clearest difference is update cadence: Prime number Snake Panic at fortnightly against PFD Calc's every 5 weeks. Prime number Snake Panic also leads on iOS requirement (13.0 vs 15.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Prime number Snake Panic ships an update fortnightly, PFD Calc every 5 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | Prime number Snake Panic | PFD Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (11 ratings) — better | — |
| Number of ratings | 11 — better | — |
| Update frequency | Fortnightly — better | Every 5 weeks |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 64 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | ikeda tomoki | Kazuhisa Kobayashi |
In-app purchases
Prime number Snake Panic
No in-app purchases
PFD Calc
No in-app purchases
Questions
Is Prime number Snake Panic free?
Is PFD Calc free?
Do Prime number Snake Panic or PFD Calc have ads?
Which is updated more often, Prime number Snake Panic or PFD Calc?
Other comparisons
