# NoteVela vs Sigma Notepad Calculator

The clearest difference is update cadence: Sigma Notepad Calculator at fortnightly against NoteVela's monthly. NoteVela's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. NoteVela sells 2 in-app purchases, starting at $9.99 per month and Sigma Notepad Calculator sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

NoteVela ships an update monthly, Sigma Notepad Calculator fortnightly. The most recent releases landed on November 12, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | NoteVela | Sigma Notepad Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Size | 30 MB | 19 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Gayanga Herath](https://appshunter.io/developer/1857772124) | [Soules Studio Ltd](https://appshunter.io/developer/1883253392) |

## What reviewers say

### NoteVela

[App page](https://appshunter.io/ios/app/notevela/id6755977595)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $9.99 | per month |
| Pro Yearly | $109.99 | per year |


### 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 NoteVela free?

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

### Is Sigma Notepad Calculator free?

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

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

Neither NoteVela nor Sigma Notepad Calculator shows ads.

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

NoteVela ships an update monthly, and Sigma Notepad Calculator fortnightly. Most recently, NoteVela was updated on November 12, 2026 and Sigma Notepad Calculator on November 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*