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.
Goldbach's Conjecture Math
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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!
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.
- Calculate Collatz sequences
- Calculate 3x-1 function sequences
- Input any number
- Visualize sequences
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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.
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Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | Goldbach's Conjecture Math | Collatz Explorer |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.6 (7 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 7 — better |
| Update frequency | Weekly — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 26.0 | 18.6 — better |
| Further details — not scored | ||
| Size | 2 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | OANA RINALDI | Berk Sucu |
In-app purchases
Goldbach's Conjecture Math
No in-app purchases
Collatz Explorer
No in-app purchases
Questions
Is Goldbach's Conjecture Math free?
Is Collatz Explorer free?
Do Goldbach's Conjecture Math or Collatz Explorer have ads?
Which is updated more often, Goldbach's Conjecture Math or Collatz Explorer?
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