# Search PubChem vs BioLabCalculators

The clearest difference is price: Search PubChem at Free against BioLabCalculators's $6.99. BioLabCalculators's advantage is iOS requirement (14.0 vs 26.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Search PubChem is free to download; BioLabCalculators costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Search PubChem ships an update every 9 months, BioLabCalculators every 10 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Search PubChem | BioLabCalculators |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/search-pubchem/id1369742632/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 10 months |
| Monetization | Free | — |
| Size | 9 MB | 1 MB |
| Requires iOS | 26.0 | **14.0** |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Jae-Seung Lee](https://appshunter.io/developer/1146296876) | [Valeriy Tarasov](https://appshunter.io/developer/1470827581) |

## What reviewers say

### Search PubChem

[App page](https://appshunter.io/ios/app/search-pubchem/id1369742632)

Access and manage chemical compound data from the PubChem database. Search for over 111 million compounds, view molecular formulas, weights, and structures, and create and track custom solutions with detailed composition information.

**Highlights:** Search PubChem database, View molecular formula, weight, and structure, Store compound information, Create and manage custom solutions, Track solution composition in grams and moles, Display 3D compound structures, Share solution data via CSV

**In-app purchases:** none


### BioLabCalculators

[App page](https://appshunter.io/ios/app/biolabcalculators/id1480948459)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Search PubChem free?

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

### Is BioLabCalculators free?

BioLabCalculators costs $6.99, with no in-app purchases.

### Do Search PubChem or BioLabCalculators have ads?

Neither Search PubChem nor BioLabCalculators shows ads.

### Which is updated more often, Search PubChem or BioLabCalculators?

Search PubChem ships an update every 9 months, and BioLabCalculators every 10 months. Most recently, Search PubChem was updated on November 2, 2026 and BioLabCalculators on November 7, 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.*