# Goldbach's Conjecture vs Binary Fun

The clearest difference is price: Binary Fun at Free against Goldbach's Conjecture's $0.99. Binary Fun also leads on update cadence (every 5 weeks vs every 8 months). Goldbach's Conjecture's advantage is in-app purchases (none vs 5) and iOS requirement (12.0 vs 18.0). On ads and device support there is nothing between them.

Binary Fun is free to download; Goldbach's Conjecture costs $0.99 up front. Binary Fun sells 5 in-app purchases, starting at $4.99 per 7 days. Goldbach's Conjecture asks for nothing beyond the download.

Goldbach's Conjecture ships an update every 8 months, Binary Fun every 5 weeks. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Goldbach's Conjecture | Binary Fun |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.4 (21 ratings)](https://appshunter.io/ios/app/binary-fun-binary-puzzles/id6630387895/reviews)** |
| Number of ratings | — | **21** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 34 MB | 36 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | iPad, Mac | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [Shivam Pandey](https://appshunter.io/developer/1298538594) |

## What reviewers say

### Goldbach's Conjecture

[App page](https://appshunter.io/ios/app/goldbachs-conjecture/id1385243580)

**In-app purchases:** none


### Binary Fun

[App page](https://appshunter.io/ios/app/binary-fun-binary-puzzles/id6630387895)

Sharpen your coding and binary logic skills with this brain-teasing puzzle game. Convert zeros to ones on a grid to match target numbers, enhancing your problem-solving abilities. Offers various grid sizes and increasing difficulty for endless challenges.

**Highlights:** Master binary coding skills, Engage in grid-based puzzles, Strengthen binary-decimal conversions, Improve mental math, Enhance logical reasoning, Variety of grid sizes

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $4.99 | per 7 days |
| Binary Fun Pro Weekly | $4.99 | per 7 days |
| Binary Fun Pro Monthly | $4.99 | per month |
| Binary Fun Pro Yearly | $14.99 | per year |
| Binary Fun Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Goldbach's Conjecture free?

Goldbach's Conjecture costs $0.99, with no in-app purchases.

### Is Binary Fun free?

Binary Fun is free to download, with in-app purchases available.

### Do Goldbach's Conjecture or Binary Fun have ads?

Neither Goldbach's Conjecture nor Binary Fun shows ads.

### Which is updated more often, Goldbach's Conjecture or Binary Fun?

Goldbach's Conjecture ships an update every 8 months, and Binary Fun every 5 weeks. Most recently, Goldbach's Conjecture was updated on October 3, 2026 and Binary Fun on October 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*