Comparison

BugPlanetEra vs The Prime Number Finder

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

BugPlanetEra

Features
Read full description

[Main function description] - 30+ Languages: Chinese (Taiwan), Chinese (China), Chinese (Hong Kong), Japanese, English (US), English (UK), English (Australia), English (Ireland), English (South Africa), Korean (South Korea), Thai, Indonesia (Indonesia), Hindi (India), Czech, Danish, Dutch (Belgium), Dutch (Netherlands), Finnish, French (Canada), French (France), German, Greek, Hungarian English, Italian, Norwegian, Polish, Portuguese (Brazil), Portuguese (Portugal), Romanian, Slovak, Spanish (Mexico), Spanish (Spain), Swedish, Turkish, Saudi Arabic (Saudi). - Playable content:        · Number: 0 ~ 99.        · Latin alphabet: A ~ Z.        · Scale: Do ~ Si.        · Pattern: 145. - million+ Themes: · Increasing difficulty: Use "single-finger gesture" to swipe up, down, left, and right to increase or decrease the number of cards. · Number of cards: iPhone "2 ~ 60", iPad "2 ~ 140". · Card color: 10 * 10 ( blue, black / white, gray, green, yellow, orange, purple, pink, red ). · Card shape: view, bell, circle, shield, square, hex, heart, skew, rays, slow, time. - Zoom Card: 6 different size card options. - Just listening no watching: You can choose to play only the sound and not show the card content. - Find Words: Words with 145 patterns in 26 languages. - About us: You Can Find the Development team, Trademark, Privacy policy, Terms of use, How to contact us and "subscription management" link. - No Ads. - Support iPhone, iPad. * If you have suggestions or want to report a problem with the App, you are welcome to send a letter to: bugteams@gmail.com or welcome to our Fan page " B.U.G BUS https://reurl.cc/jdodqq ", we will reply you as soon as we receive the letter. * Privacy Policy:https://reurl.cc/xDMOke

About

The Prime Number Finder

This app is a powerful tool for exploring prime numbers, offering instant primality checks, factorization, and navigation through prime sequences. It features an interactive interface with dark mode and offline functionality, perfect for students, teachers, and math enthusiasts.

Highlights
  • Check if a number is prime
  • Get prime factorization
  • Navigate to next/previous primes
  • Interactive factors
  • Dark mode support
  • Offline functionality
  • History tracking
Features
Read full description

Prime Number Finder is an elegant and powerful tool for exploring prime numbers. Whether you're a student, teacher, or math enthusiast, this app makes working with prime numbers simple and engaging. Key Features: • Instantly check if a number is prime • Get prime factorization for composite numbers • Navigate to the next and previous prime numbers • Increment/decrement numbers with a single tap • Interactive composite numbers: tap to see all factors • Factors are also interactive: tap any factor to check its primality • Beautiful, clean interface with dark mode support • History tracking of all your calculations • Works offline - no internet required to perform calculations • Haptic feedback for enhanced interaction • Supports numbers up to 18 digits Perfect for: • Students learning about prime numbers • Teachers demonstrating prime factorization • Quick prime number verification • Exploring prime number sequences The clean, intuitive interface makes it easy to: • Enter numbers using a numeric keypad • View results instantly with color-coded responses • Navigate between prime numbers with arrow buttons • Step through numbers with plus/minus controls • Tap on any factor in the factor dropdown to check it • Access your calculation history with timestamps • Access helpful information and tips • Clear input with a single tap Download Prime Number Finder today and explore the fascinating world of prime numbers!

Screenshots

BugPlanetEra4 screens
The Prime Number Finder3 screens

Verdict

The call

The clearest difference is update cadence: The Prime Number Finder at every 3 days against BugPlanetEra's every 5 months. BugPlanetEra's advantage is iOS requirement (13.0 vs 26.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

BugPlanetEra ships an update every 5 months, The Prime Number Finder every 3 days. The most recent releases landed on October 26, 2026 and October 21, 2026 respectively.

Scorecard2 real differences · 8 level
BugPlanetEra versus The Prime Number Finder: the parameters behind the verdict, then further details
ParameterBugPlanetEraThe Prime Number Finder
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 5 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better26.0
Further details — not scored
Size2 MB1 MB
Age rating4+4+
DeveloperKhan KaoAlexander Lee

In-app purchases

None

BugPlanetEra

No in-app purchases

None

The Prime Number Finder

No in-app purchases

Questions

Is BugPlanetEra free?
BugPlanetEra is free to download, with no in-app purchases.
Is The Prime Number Finder free?
The Prime Number Finder is free to download, with no in-app purchases.
Do BugPlanetEra or The Prime Number Finder have ads?
Neither BugPlanetEra nor The Prime Number Finder shows ads.
Which is updated more often, BugPlanetEra or The Prime Number Finder?
BugPlanetEra ships an update every 5 months, and The Prime Number Finder every 3 days. Most recently, BugPlanetEra was updated on October 26, 2026 and The Prime Number Finder on October 21, 2026.

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