Comparison

Learnopia vs Goldbach's Conjecture Math

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

Head to head
About

Learnopia

Features
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Explore a world of interactive learning with this engaging and thoughtfully designed educational app. From recognising quantities and comparing values to practicing math operations and exploring creativity, each activity is crafted to build foundational skills in a playful and rewarding way. Features include: - Count Objects: Develop number sense by identifying and counting everyday items. - Shadow Match: Sharpen visual perception and shape recognition through matching exercises. - Bloom Flower: Solve simple math operations and watch colourful flower come to life. - Less, More, Equal: Understand comparisons and basic mathematical relationships with intuitive visuals. - Fractions: Learn the basics of fractions using visual examples. - Colouring: Express creativity with a variety of colouring pages designed to encourage imagination. - Spell: Practice letter recognition and word formation in an interactive spelling activity. Designed with care to balance fun and learning, this app encourages exploration, logic, and creativity at every step. Engage, entertain, and educate... :)

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

Learnopia4 screens
Goldbach's Conjecture Math4 screens

Verdict

The call

The clearest difference is in-app purchases: Goldbach's Conjecture Math at none against Learnopia's 1. Learnopia's advantage is iOS requirement (15.6 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Learnopia sells 1 one-off in-app purchase. Goldbach's Conjecture Math asks for nothing beyond the download.

UpkeepUpdate frequency

Learnopia ships an update every 8 months, Goldbach's Conjecture Math every 6 months. Both last shipped on October 30, 2026.

Scorecard2 real differences Β· 4 level
Learnopia versus Goldbach's Conjecture Math: the parameters behind the verdict, then further details
ParameterLearnopiaGoldbach's Conjecture Math
PriceFreeFree
Update frequencyEvery 8 monthsEvery 6 months β€” better
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS15.6 β€” better26.0
Further details β€” not scored
Size55 MB2 MB
Age rating4+4+
DeveloperKrishna Raj SalimOANA RINALDI

In-app purchases

1 purchases

Learnopia

One-time1
  • Remove Ad.$1.99
None

Goldbach's Conjecture Math

No in-app purchases

Questions

Is Learnopia free?
Learnopia is free to download, with in-app purchases available.
Is Goldbach's Conjecture Math free?
Goldbach's Conjecture Math is free to download, with no in-app purchases.
Do Learnopia or Goldbach's Conjecture Math have ads?
Neither Learnopia nor Goldbach's Conjecture Math shows ads.
Which is updated more often, Learnopia or Goldbach's Conjecture Math?
Learnopia ships an update every 8 months, and Goldbach's Conjecture Math every 6 months. Most recently, Learnopia was updated on October 30, 2026 and Goldbach's Conjecture Math on October 30, 2026.

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