# Arithmetic Quilts vs Goldbach's Conjecture

The clearest difference is price: Arithmetic Quilts at Free against Goldbach's Conjecture's $0.99. Arithmetic Quilts also leads on iOS requirement (8.0 vs 12.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Arithmetic Quilts is free to download; Goldbach's Conjecture costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Arithmetic Quilts ships an update every 14 months, Goldbach's Conjecture every 8 months. The most recent releases landed on October 23, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Arithmetic Quilts | Goldbach's Conjecture |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/arithmetic-quilts/id567300241/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 8 months** |
| Monetization | Free | — |
| Size | 34 MB | 34 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPad | **iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Bretl](https://appshunter.io/developer/553850818) | [Ventura Educational Systems](https://appshunter.io/developer/371324172) |

## What reviewers say

### Arithmetic Quilts

[App page](https://appshunter.io/ios/app/arithmetic-quilts/id567300241)

Explore the visual beauty of mathematical patterns through colorful quilt designs. This app transforms arithmetic and modular arithmetic tables into artistic creations, making abstract concepts tangible and engaging.

**Highlights:** Visualizes addition and multiplication tables, Assigns colors to numbers for pattern discovery, Explores modular arithmetic patterns, Creates quilts from recursive processes, Combines math and art

**Features:** macOS Compatibility

**In-app purchases:** none


### Goldbach's Conjecture

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

**In-app purchases:** none


## Frequently asked questions

### Is Arithmetic Quilts free?

Arithmetic Quilts is free to download, with no in-app purchases.

### Is Goldbach's Conjecture free?

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

### Do Arithmetic Quilts or Goldbach's Conjecture have ads?

Neither Arithmetic Quilts nor Goldbach's Conjecture shows ads.

### Which is updated more often, Arithmetic Quilts or Goldbach's Conjecture?

Arithmetic Quilts ships an update every 14 months, and Goldbach's Conjecture every 8 months. Most recently, Arithmetic Quilts was updated on October 23, 2026 and Goldbach's Conjecture on October 3, 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.*