Comparison

Goldbach's Conjecture Math vs Collatz Explorer

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

Head to head
About

Goldbach's Conjecture Math

Features
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Discover one of the greatest unsolved problems in mathematics — the Goldbach Conjecture — in an interactive way! This app allows you to explore the conjecture that every even integer greater than 2 can be written as the sum of two prime numbers. Simply enter an even number of your choice, and the app will instantly calculate and display a pair of prime numbers whose sum equals your input. Whether you’re a math enthusiast, a student, or just curious about prime numbers, this app makes it easy to experiment with numbers of any size — from small values to extremely large integers. Features: Enter any even integer greater than 2 to test the Goldbach Conjecture. Fast calculation of prime pairs, even for very large numbers. Elegant, easy-to-use interface designed for quick exploration. Educational and fun — great for students, researchers, and anyone curious about number theory. Supports extremely large integers with warnings when calculations may take longer. Dive into the world of prime numbers and see the Goldbach Conjecture come to life with every calculation!

About

Collatz Explorer

Explore mathematical sequences with this app. It calculates the standard Collatz sequence for any number you enter and can also display sequences from an alternative 3x-1 function.

Highlights
  • Calculate Collatz sequences
  • Calculate 3x-1 function sequences
  • Input any number
  • Visualize sequences
Features
Read full description

A fun app that is capable of showing you any collatz sequence for a number that you input. Also capable of showing you any sequence from an alternate 3x-1 function for any number you input.

Screenshots

Goldbach's Conjecture Math4 screens
Collatz Explorer4 screens

Verdict

The call

The clearest difference is update cadence: Goldbach's Conjecture Math at weekly against Collatz Explorer's monthly. Collatz Explorer's advantage is iOS requirement (18.6 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

Goldbach's Conjecture Math ships an update weekly, Collatz Explorer monthly. The most recent releases landed on October 8, 2026 and September 27, 2026 respectively.

Scorecard2 real differences · 8 level
Goldbach's Conjecture Math versus Collatz Explorer: the parameters behind the verdict, then further details
ParameterGoldbach's Conjecture MathCollatz Explorer
PriceFreeFree
Rating—4.6 (7 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—7 — better
Update frequencyWeekly — betterMonthly
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad — betteriPhone
Requires iOS26.018.6 — better
Further details — not scored
Size2 MB1 MB
Age rating4+4+
DeveloperOANA RINALDIBerk Sucu

In-app purchases

None

Goldbach's Conjecture Math

No in-app purchases

None

Collatz Explorer

No in-app purchases

Questions

Is Goldbach's Conjecture Math free?
Goldbach's Conjecture Math is free to download, with no in-app purchases.
Is Collatz Explorer free?
Collatz Explorer is free to download, with no in-app purchases.
Do Goldbach's Conjecture Math or Collatz Explorer have ads?
Neither Goldbach's Conjecture Math nor Collatz Explorer shows ads.
Which is updated more often, Goldbach's Conjecture Math or Collatz Explorer?
Goldbach's Conjecture Math ships an update weekly, and Collatz Explorer monthly. Most recently, Goldbach's Conjecture Math was updated on October 8, 2026 and Collatz Explorer on September 27, 2026.

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