Comparison

Goldbach conjecture vs Echo Ramsey

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

Head to head
About

Goldbach conjecture

Read full description

This app is a simple game about Goldbach's conjecture. This game is inspired by the movie, Marguerite's Theorem.

About

Echo Ramsey

Features
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Echo is a puzzle game built on real open problems in mathematics. Each puzzle is a graph: dots joined by red and blue lines. Your job is simple to learn. Tap a line to flip its color, and break up the "bad cliques" - groups of dots all wired together in a single color. Clear them within your move budget and the puzzle is solved. Here is the twist. Every puzzle is a slice of a genuine research graph, and every solution you find is committed to a shared, growing proof tree. When you solve, your result seeds a brand new puzzle for another player. Their solve seeds the next. Together, the whole community is searching for colorings no person and no computer has ever found. You choose which problem to work on from the home screen: - R(4,4), the practice board - solved long ago, so the search genuinely finishes and you can see the whole engine work end to end - R(4,6), the frontier - an open problem where reaching zero would set a real new record - R(5,5), the legendary one - open for decades, where the prize is the lowest count the network has ever driven it to You do not need to know any of that to play. If you can spot a pattern and tap, you are already contributing. FEATURES - Quick, tactile puzzles you can finish in a minute - Three problems to play, from a winnable warm-up to a famous unsolved one, switchable any time - Five ways to view each graph: circle, spectral, matrix, hub, and density - switch any time to see the structure differently - A living progress screen showing the community's best reach and the proof tree growing in real time - Your lineage: see how many puzzles your solves have seeded for other players - A built-in glossary that explains every term in plain language - No ads, no timers, no pressure Color the graph. Advance the proof. Echo forward.

Screenshots

Goldbach conjecture2 screens
Echo Ramsey4 screens

Verdict

The call

The clearest difference is device support: Echo Ramsey at 3 against Goldbach conjecture's โ€”. On price, in-app purchases and iOS requirement there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

Scorecard1 real difference ยท 5 level
Goldbach conjecture versus Echo Ramsey: the parameters behind the verdict, then further details
ParameterGoldbach conjectureEcho Ramsey
PriceFreeFree
Update frequencyโ€”Every 3 weeks
Adsโ€”No
In-app purchasesNoNo
Devicesโ€”iPhone, iPad, iPod โ€” better
Requires iOS16.015.0 โ€” better
Further details โ€” not scored
Size1 MB51 MB
Age rating4+4+
DeveloperSungjun KimSam Rostami

In-app purchases

None

Goldbach conjecture

No in-app purchases

None

Echo Ramsey

No in-app purchases

Questions

Is Goldbach conjecture free?
Goldbach conjecture is free to download, with no in-app purchases.
Is Echo Ramsey free?
Echo Ramsey is free to download, with no in-app purchases.

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