Comparison

Prime Numbers Math Games vs Goldbach's Conjecture Math

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

Head to head
About

Prime Numbers Math Games

This app offers interactive lessons and games to help users learn and practice prime numbers, HCF, and LCM. It provides clear explanations, timed challenges, and adjustable difficulty levels for focused math revision and skill-building.

Highlights
  • Learn prime number concepts
  • Practice HCF and LCM calculations
  • Interactive number challenges
  • Timed game modes
  • Adjustable difficulty levels
  • Clear learning screens
Features
Read full description

Prime Numbers Math Games helps you learn and practise prime numbers, HCF, and LCM through simple lessons and quick number challenges. Start with clear learning screens, then test your number skills in interactive games. You can practise identifying prime numbers, play timed challenges, and build confidence with HCF and LCM calculations. Main Features: • Learn what prime numbers are • View prime number examples from 1 to 100 and beyond • Practise prime number identification • Play classic and timed challenge modes • Learn and practise HCF calculations • Learn and practise LCM calculations • Choose difficulty levels for different practice needs • Clean, simple interface for focused learning • No data collection Why Use This App: Prime numbers, HCF, and LCM are important foundations in mathematics. This app turns number practice into short, focused activities that are easy to understand and quick to play. Suitable for: • Learners practising number skills • Students reviewing prime numbers, HCF, and LCM • Parents supporting math revision • Teachers looking for a simple classroom practice tool • Anyone who enjoys mental math and number puzzles Build your number sense one challenge at a time.

About

Goldbach's Conjecture Math

Features
Read full description

A little curiosity. A world of numbers. Explore Goldbach’s conjecture with your free prime-pair calculator, and take your curiosity further with a new Learn tab. YOUR CALCULATOR STAYS FREE Find one or up to 20 prime pairs, enter numbers up to 35 digits, keep history, save favorites and share results. No ads or app account required. 30 LESSONS, THREE PATHS Learn about primes, divisibility, factorization, modular arithmetic, Miller–Rabin, Euclid, twin primes, RSA and mathematical proof. Each lesson includes explanations, a worked example and a quiz with feedback. Lessons 1–5 are free. A DAILY SPARK Answer a free daily question, build a streak, bookmark lessons and track your progress. Goldbach Plus adds unlimited practice with instant explanations. EXPLORE THE LAB The interactive prime sieve up to 100 is free. Plus adds the Ulam spiral, prime-gap charts, Goldbach pair-count charts, CSV export and a factor explorer. Lab calculations use exact methods within their displayed small ranges. GOLDBACH PLUS Monthly and annual auto-renewing subscriptions unlock all 30 lessons, unlimited practice and the complete Lab. Both plans provide the same access. The existing calculator, history, favorites and sharing remain free. Prices and billing periods are shown before purchase. Payment is charged to your Apple Account. Subscriptions renew unless canceled at least 24 hours before the current period ends. Manage or cancel in App Store account settings. Restore active purchases in the app. PRIVATE BY DESIGN Lessons and math explorations work offline. Calculations and learning progress stay on this device. Progress does not sync between devices. Apple handles purchases. No tracking or advertising SDKs. Mathematical experiments do not prove the conjecture. Large-number factors may be probable primes rather than certified primes. Privacy & support: https://oanarinaldi.com/goldbachprivacy.html Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Prime Numbers Math Games4 screens
Goldbach's Conjecture Math4 screens

Verdict

The call

The clearest difference is update cadence: Prime Numbers Math Games at every 3 weeks against Goldbach's Conjecture Math's every 6 months. Prime Numbers Math Games also leads on iOS requirement (17.2 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

Prime Numbers Math Games ships an update every 3 weeks, Goldbach's Conjecture Math every 6 months. Both last shipped on October 30, 2026.

Scorecard2 real differences · 7 level
Prime Numbers Math Games versus Goldbach's Conjecture Math: the parameters behind the verdict, then further details
ParameterPrime Numbers Math GamesGoldbach's Conjecture Math
PriceFreeFree
Rating3.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 3 weeks — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.2 — better26.0
Further details — not scored
Size3 MB2 MB
Age rating4+4+
DeveloperTsz PoonOANA RINALDI

In-app purchases

None

Prime Numbers Math Games

No in-app purchases

None

Goldbach's Conjecture Math

No in-app purchases

Questions

Is Prime Numbers Math Games free?
Prime Numbers Math Games is free to download, with no in-app purchases.
Is Goldbach's Conjecture Math free?
Goldbach's Conjecture Math is free to download, with no in-app purchases.
Do Prime Numbers Math Games or Goldbach's Conjecture Math have ads?
Neither Prime Numbers Math Games nor Goldbach's Conjecture Math shows ads.
Which is updated more often, Prime Numbers Math Games or Goldbach's Conjecture Math?
Prime Numbers Math Games ships an update every 3 weeks, and Goldbach's Conjecture Math every 6 months. Most recently, Prime Numbers Math Games was updated on October 30, 2026 and Goldbach's Conjecture Math on October 30, 2026.

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