# Takt vs Sigma Notepad Calculator

The clearest difference is in-app purchases: Takt at none against Sigma Notepad Calculator's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sigma Notepad Calculator sells 3 in-app purchases, starting at $1.99 per month. Takt asks for nothing beyond the download.

Takt ships an update every 2 weeks, Sigma Notepad Calculator fortnightly. The most recent releases landed on October 25, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Takt | Sigma Notepad Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Size | 531 MB | 19 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [David Vasella](https://appshunter.io/developer/1872491944) | [Soules Studio Ltd](https://appshunter.io/developer/1883253392) |

## What reviewers say

### Takt

[App page](https://appshunter.io/ios/app/takt-notes-and-tasks-together/id6768459855)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Takt free?

Takt is free to download, with no in-app purchases.

### Is Sigma Notepad Calculator free?

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

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

Neither Takt nor Sigma Notepad Calculator shows ads.

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

Takt ships an update every 2 weeks, and Sigma Notepad Calculator fortnightly. Most recently, Takt was updated on October 25, 2026 and Sigma Notepad Calculator 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.*