# Bra Construction vs Genetics Lab

The clearest difference is in-app purchases: Bra Construction at none against Genetics Lab's 3. Bra Construction also leads on device support (3 vs 1) and iOS requirement (14.0 vs 17.0). Genetics Lab's advantage is update cadence (every 6 months vs every 21 months). On price and ads there is nothing between them.

Both are free to download. Genetics Lab sells 3 in-app purchases, starting at $2.99 per 7 days. Bra Construction asks for nothing beyond the download.

Bra Construction ships an update every 21 months, Genetics Lab every 6 months. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Bra Construction | Genetics Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bra-construction/id1481535881/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 6 months** |
| Monetization | Free | — |
| Size | 307 MB | 5 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [The Hong Kong Polytechnic University](https://appshunter.io/developer/442903588) | [Linh Phan Nhat Khanh](https://appshunter.io/developer/1777727575) |

## What reviewers say

### Bra Construction

[App page](https://appshunter.io/ios/app/bra-construction/id1481535881)

Learn bra sewing techniques through video tutorials and interactive 3D AR models. Analyze your pattern drawings for errors and access peer learning discussions.

**Highlights:** Video tutorials for bra sewing, Interactive 3D AR examples, Pattern drawing analysis, Error identification and measurement, Online peer learning forums

**Features:** macOS Compatibility

**In-app purchases:** none


### Genetics Lab

[App page](https://appshunter.io/ios/app/genetics-lab-punnett-square/id6771496910)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DNA Codon Translator | $2.99 | per 7 days |
| Pedigree & Heredity Charts | $14.99 | per year |
| Protein & Mutation Builder | $29.99 | one-time |


## Frequently asked questions

### Is Bra Construction free?

Bra Construction is free to download, with no in-app purchases.

### Is Genetics Lab free?

Genetics Lab is free to download, with in-app purchases available.

### Do Bra Construction or Genetics Lab have ads?

Neither Bra Construction nor Genetics Lab shows ads.

### Which is updated more often, Bra Construction or Genetics Lab?

Bra Construction ships an update every 21 months, and Genetics Lab every 6 months. Most recently, Bra Construction was updated on November 3, 2026 and Genetics Lab on November 5, 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.*