# CloudLabs Vector subtraction vs Hudson

The clearest difference is update cadence: Hudson at every 3 months against CloudLabs Vector subtraction's every 21 months. On price, ads, in-app purchases and device support there is nothing between them.

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

CloudLabs Vector subtraction ships an update every 21 months, Hudson every 3 months. The most recent releases landed on October 25, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | CloudLabs Vector subtraction | Hudson |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/hudson-alpha-filtered/id1664591060/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 70 MB | 1.5 GB |
| Requires iOS | **9.0** | 10.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 9+ |
| Developer | [Jiovany Orozco](https://appshunter.io/developer/1114670847) | [HudsonAlpha Institute for Biotechnology](https://appshunter.io/developer/364882018) |

## What reviewers say

### CloudLabs Vector subtraction

[App page](https://appshunter.io/ios/app/cloudlabs-vector-subtraction/id1633261194)

**Features:** macOS Compatibility

**In-app purchases:** none


### Hudson

[App page](https://appshunter.io/ios/app/hudson-alpha-filtered/id1664591060)

Step into a pharmaceutical research role to combat a deadly outbreak. Utilize computational tools within a bioinformatics program to analyze pathogen genomes. Master puzzle-solving skills to filter genomic data, determine the pathogen's origin, and identify its deadly genetic variations.

**Highlights:** Pathogen genome analysis, Computational tool mastery, Bioinformatics puzzle solving, Genetic variation identification, Data filtering for answers

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CloudLabs Vector subtraction free?

CloudLabs Vector subtraction is free to download, with no in-app purchases.

### Is Hudson free?

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

### Do CloudLabs Vector subtraction or Hudson have ads?

Neither CloudLabs Vector subtraction nor Hudson shows ads.

### Which is updated more often, CloudLabs Vector subtraction or Hudson?

CloudLabs Vector subtraction ships an update every 21 months, and Hudson every 3 months. Most recently, CloudLabs Vector subtraction was updated on October 25, 2026 and Hudson on November 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.*