# Experiment Helper — Chemical Biology Calculators

> Lab utility app for molecular biology, biochemistry, and chemical biology calculations. (iPhone/iPad app by Zhongda Shi.)

- Source: https://appshunter.io/ios/app/experiment-helper/id6777916056 (this page in markdown: same URL + `.md`)
- Developer: [Zhongda Shi](https://appshunter.io/developer/6777916058)
- Category: Education, Utilities
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 17.6 · 4 MB
- Languages: American English
- Released: 2026-06-12
- Data updated: 2026-08-03
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/experiment-helper/id6777916056/reviews.md

## What is Experiment Helper?

Experiment Helper is a lightweight lab utility app for molecular biology, biochemistry, and chemical biology workflows.

The app provides quick calculators and lookup tools for common bench tasks, including protein property calculation, DNA/RNA translation, dilution planning, transfection setup, cell seeding calculations, and CAS number lookup.

Features include:

• Protein property calculation from protein, DNA, RNA, or UniProt accession input
• Molecular weight, theoretical pI, extinction coefficient, GRAVY, aliphatic index, estimated half-life, and amino acid composition
• DNA and RNA translation into protein sequence
• UniProt lookup for retrieving protein sequences from accession numbers
• Dilution and dilution-factor calculators
• Transfection plasmid calculator
• Cell seeding calculator
• CAS number lookup using PubChem, including compound formula, molecular weight, structure, and related properties

Experiment Helper is designed for students, researchers, and laboratory scientists who need fast, transparent calculations at the bench or while planning experiments.

Most calculations run locally on your device. Network access is used only for selected lookup features, such as retrieving protein sequence information from UniProt or compound information from PubChem.

## Key features

- Protein property calculation
- DNA/RNA translation
- Dilution calculators
- Transfection plasmid calculator
- Cell seeding calculator
- CAS number lookup


## Frequently asked questions about Experiment Helper

### What calculations does Experiment Helper offer?

Experiment Helper provides calculators for protein properties (molecular weight, pI, etc.), DNA/RNA translation, dilutions, transfection plasmids, cell seeding, and CAS number lookups.

### How does Experiment Helper handle data privacy?

Most calculations are performed locally on your device. Network access is only used for specific lookup features like UniProt or PubChem data retrieval.

### Is Experiment Helper suitable for beginners?

Yes, the app is designed for students and researchers, offering quick tools for common bench tasks and experimental planning.

### What devices support Experiment Helper?

Experiment Helper is available on Mac, iPhone, and iPad devices.

### How often is Experiment Helper updated?

The app was last updated on June 13, 2026, with version 1.1. This suggests a recent update, though future frequency is not specified.

### What is the user sentiment for Experiment Helper?

Based on the provided rating, Experiment Helper has a perfect 5.0 stars from 2 ratings, indicating very positive user sentiment.

### Does Experiment Helper have ads?

No, Experiment Helper does not contain advertisements.

### Can I track my progress with Experiment Helper?

Experiment Helper focuses on providing immediate calculation results for specific tasks rather than long-term progress tracking for learning modules.

## Version history (last 2 releases)

### 1.1 — 2026-06-13

1. Now you can search compounds by their CAS number, PubChem CID, or SMILES string.
2. Now Cell Seeding Calculator accepts more intuitive inputs in scientific notation. Yes you can directly type 6e6.

### 1.0 — 2026-06-12

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-03.*