# Birth Work Mastery vs LabNote Chem

The clearest difference is in-app purchases: Birth Work Mastery at none against LabNote Chem's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. LabNote Chem sells 1 one-off in-app purchase. Birth Work Mastery asks for nothing beyond the download.

Birth Work Mastery ships an update every 3 weeks, LabNote Chem monthly. The most recent releases landed on October 28, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Birth Work Mastery | LabNote Chem |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 394 MB | 118 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Birth Work Mastery LLC](https://appshunter.io/developer/1851480270) | [Satoshi Kobayashi](https://appshunter.io/developer/1866585930) |

## What reviewers say

### Birth Work Mastery

[App page](https://appshunter.io/ios/app/birth-work-mastery/id6755044133)

**Features:** macOS Compatibility, Apple Wallet

**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 Birth Work Mastery free?

Birth Work Mastery 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 Birth Work Mastery or LabNote Chem have ads?

Neither Birth Work Mastery nor LabNote Chem shows ads.

### Which is updated more often, Birth Work Mastery or LabNote Chem?

Birth Work Mastery ships an update every 3 weeks, and LabNote Chem monthly. Most recently, Birth Work Mastery was updated on October 28, 2026 and LabNote Chem on October 22, 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.*