# CloudLabs Vector subtraction vs Chem Formula Sheet by CS team

The clearest difference is in-app purchases: CloudLabs Vector subtraction at none against Chem Formula Sheet by CS team's 1. CloudLabs Vector subtraction also leads on ads (none vs shown) and device support (3 vs 1). Chem Formula Sheet by CS team's advantage is update cadence (every 6 months vs every 21 months). On price there is nothing between them.

Both are free to download. Chem Formula Sheet by CS team sells 1 one-off in-app purchase. CloudLabs Vector subtraction asks for nothing beyond the download.

CloudLabs Vector subtraction ships an update every 21 months, Chem Formula Sheet by CS team every 6 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CloudLabs Vector subtraction | Chem Formula Sheet by CS team |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 21 months | **Every 6 months** |
| Size | 70 MB | 11 MB |
| Requires iOS | **9.0** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Jiovany Orozco](https://appshunter.io/developer/1114670847) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### CloudLabs Vector subtraction

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Chem Formula Sheet by CS team

[App page](https://appshunter.io/ios/app/chem-formula-sheet-by-cs-team/id6753220949)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Feature | $1.99 | one-time |


## Frequently asked questions

### Is CloudLabs Vector subtraction free?

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

### Is Chem Formula Sheet by CS team free?

Chem Formula Sheet by CS team is free to download, with in-app purchases available.

### Do CloudLabs Vector subtraction or Chem Formula Sheet by CS team have ads?

Chem Formula Sheet by CS team shows ads; CloudLabs Vector subtraction does not.

### Which is updated more often, CloudLabs Vector subtraction or Chem Formula Sheet by CS team?

CloudLabs Vector subtraction ships an update every 21 months, and Chem Formula Sheet by CS team every 6 months. Most recently, CloudLabs Vector subtraction was updated on October 25, 2026 and Chem Formula Sheet by CS team on October 24, 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.*