# Chemicalculator vs ClientNote

The clearest difference is price: ClientNote at Free against Chemicalculator's $1.99. ClientNote also leads on update cadence (every 6 weeks vs every 10 months). Chemicalculator's advantage is in-app purchases (none vs 4) and ads (none vs shown). On device support there is nothing between them.

ClientNote is free to download; Chemicalculator costs $1.99 up front. ClientNote sells 4 in-app purchases, starting at $4.99 per month. Chemicalculator asks for nothing beyond the download.

Chemicalculator ships an update every 10 months, ClientNote every 6 weeks. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Chemicalculator | ClientNote |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/clientnote-salon-client-book/id1540664496/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 87.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 6 weeks** |
| Monetization | — | Freemium |
| Size | 12 MB | 70 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tetsuya Nishikawa](https://appshunter.io/developer/1454906652) | [Shibapp LLC](https://appshunter.io/developer/852300851) |

## What reviewers say

### Chemicalculator

[App page](https://appshunter.io/ios/app/chemicalculator/id1454906653)

**Features:** macOS Compatibility

**In-app purchases:** none


### ClientNote

[App page](https://appshunter.io/ios/app/clientnote-salon-client-book/id1540664496)

Manage client information, sales, and appointments for salon and service industries. Track customer history, schedule work, and analyze sales performance. Supports individual businesses and multi-location operations.

**Highlights:** Client management with tags, Sales and attendance tracking, Multi-location support, Calendar view for sales, Birthday reminders, Course and option registration, Sales analysis

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ClientManager PRO | $4.99 | per month |
| ClientManager PRO | $44.99 | per year |
| CSV Export | $2.99 | one-time |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is Chemicalculator free?

Chemicalculator costs $1.99, with no in-app purchases.

### Is ClientNote free?

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

### Do Chemicalculator or ClientNote have ads?

ClientNote shows ads; Chemicalculator does not.

### Which is updated more often, Chemicalculator or ClientNote?

Chemicalculator ships an update every 10 months, and ClientNote every 6 weeks. Most recently, Chemicalculator was updated on October 21, 2026 and ClientNote on October 25, 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.*