# The Calculator vs Chip Master

The clearest difference is update cadence: The Calculator at every 6 days against Chip Master's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. The Calculator sells 3 in-app purchases, starting at $4.99 per month and Chip Master sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

The Calculator ships an update every 6 days, Chip Master every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | The Calculator | Chip Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/the-calculator-notes-and-units/id6745772251/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 2 months |
| Monetization | Freemium | — |
| Size | 17 MB | 13 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YiDe Liu](https://appshunter.io/developer/1813803093) | [DIMITRI TONY PITTAS](https://appshunter.io/developer/1884056397) |

## What reviewers say

### The Calculator

[App page](https://appshunter.io/ios/app/the-calculator-notes-and-units/id6745772251)

This app combines a powerful calculator with a note-taking feature, allowing you to document calculations as you perform them. It also offers unit and currency conversions, with customizable appearance and settings.

**Highlights:** Integrated notepad for documenting calculations, Unit and currency conversion, Basic, scientific, and conversion calculators, Customizable appearance (light, dark, black), Adjustable number formats and decimal places, History with attachable notes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per month |
| Premium | $29.99 | per year |
| Premium | $9.99 | one-time |


### Chip Master

[App page](https://appshunter.io/ios/app/chip-master/id6761065041)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $7.99 | per month |
| Yearly Subscription | $34.99 | per year |


## Frequently asked questions

### Is The Calculator free?

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

### Is Chip Master free?

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

### Do The Calculator or Chip Master have ads?

Neither The Calculator nor Chip Master shows ads.

### Which is updated more often, The Calculator or Chip Master?

The Calculator ships an update every 6 days, and Chip Master every 2 months. Most recently, The Calculator was updated on October 24, 2026 and Chip Master 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.*