# Sigma Notepad Calculator vs CalcNote

The clearest difference is ads: Sigma Notepad Calculator at none against CalcNote's shown. Sigma Notepad Calculator also leads on update cadence (fortnightly vs every 2 months). CalcNote's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and in-app purchases there is nothing between them.

Both are free to download. Sigma Notepad Calculator sells 3 in-app purchases, starting at $1.99 per month and CalcNote sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Sigma Notepad Calculator ships an update fortnightly, CalcNote every 2 months. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Sigma Notepad Calculator | CalcNote |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 19 MB | 31 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Soules Studio Ltd](https://appshunter.io/developer/1883253392) | [SiU Ahn](https://appshunter.io/developer/1601025745) |

## What reviewers say

### Sigma Notepad Calculator

[App page](https://appshunter.io/ios/app/sigma-notepad-calculator/id6768903761)

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Annual | $14.99 | per year |
| Lifetime | $29.99 | one-time |


### CalcNote

[App page](https://appshunter.io/ios/app/calcnote-calc-log-and-folders/id6780283322)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Sigma Notepad Calculator free?

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

### Is CalcNote free?

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

### Do Sigma Notepad Calculator or CalcNote have ads?

CalcNote shows ads; Sigma Notepad Calculator does not.

### Which is updated more often, Sigma Notepad Calculator or CalcNote?

Sigma Notepad Calculator ships an update fortnightly, and CalcNote every 2 months. Most recently, Sigma Notepad Calculator was updated on November 9, 2026 and CalcNote on November 5, 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.*