# アミノ酸の分子量計算AminoCalc vs LabNote Chem

The clearest difference is in-app purchases: アミノ酸の分子量計算AminoCalc at none against LabNote Chem's 1. アミノ酸の分子量計算AminoCalc also leads on update cadence (every 8 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. LabNote Chem sells 1 one-off in-app purchase. アミノ酸の分子量計算AminoCalc asks for nothing beyond the download.

アミノ酸の分子量計算AminoCalc ships an update every 8 days, LabNote Chem monthly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | アミノ酸の分子量計算AminoCalc | LabNote Chem |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Monthly |
| Monetization | Free | — |
| Size | 39 MB | 118 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hideki Touhara](https://appshunter.io/developer/1268738829) | [Satoshi Kobayashi](https://appshunter.io/developer/1866585930) |

## What reviewers say

### アミノ酸の分子量計算AminoCalc

[App page](https://appshunter.io/ios/app/aminocalc/id1524110481)

This app calculates the molecular weight of amino acids using 3-letter, 1-letter, or codon input. It also includes a quiz to test your knowledge of amino acids, with new quiz content added based on organic chemistry structures.

**Highlights:** Calculate molecular weight of amino acids, Input via 3-letter, 1-letter, or codon, Amino acid knowledge quiz, Organic chemistry structure-based quiz content, Convenient for research on iPhone/iPad

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

**In-app purchases:** none


### LabNote Chem

[App page](https://appshunter.io/ios/app/labnote-chem/id6757393090)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LabNote Chem Pro | $11.99 | one-time |


## Frequently asked questions

### Is アミノ酸の分子量計算AminoCalc free?

アミノ酸の分子量計算AminoCalc is free to download, with no in-app purchases.

### Is LabNote Chem free?

LabNote Chem is free to download, with in-app purchases available.

### Do アミノ酸の分子量計算AminoCalc or LabNote Chem have ads?

Neither アミノ酸の分子量計算AminoCalc nor LabNote Chem shows ads.

### Which is updated more often, アミノ酸の分子量計算AminoCalc or LabNote Chem?

アミノ酸の分子量計算AminoCalc ships an update every 8 days, and LabNote Chem monthly. Most recently, アミノ酸の分子量計算AminoCalc was updated on November 3, 2026 and LabNote Chem on October 31, 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.*