# Calculation Pad vs Notepad AI

The clearest difference is in-app purchases: Notepad AI at none against Calculation Pad's 5. Notepad AI also leads on update cadence (every 4 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Calculation Pad sells 5 one-off in-app purchases. Notepad AI asks for nothing beyond the download.

Calculation Pad ships an update fortnightly, Notepad AI every 4 days. The most recent releases landed on September 17, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Calculation Pad | Notepad AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calculation-pad/id1473259620/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 10 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yukio Tajima](https://appshunter.io/developer/1473259619) | [Diep Quoc Vuong](https://appshunter.io/developer/1787632957) |

## What reviewers say

### Calculation Pad

[App page](https://appshunter.io/ios/app/calculation-pad/id1473259620)

This calculator app keeps a history of your calculations, allowing you to easily reuse past results. It offers enhanced security features like fingerprint or password protection for sensitive data. Despite its advanced functionality, it remains free to use.

**Highlights:** Calculation history, Reuse past calculations, Add taxes, Fingerprint/password/face protection, Free to use

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Developer Support | $0.99 | one-time |
| Small tip | $0.99 | one-time |
| Medium tip | $3.99 | one-time |
| Developer Support | $6.99 | one-time |
| Large tip | $6.99 | one-time |


### Notepad AI

[App page](https://appshunter.io/ios/app/notepad-ai-c-plus-plus/id6754082567)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculation Pad free?

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

### Is Notepad AI free?

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

### Do Calculation Pad or Notepad AI have ads?

Neither Calculation Pad nor Notepad AI shows ads.

### Which is updated more often, Calculation Pad or Notepad AI?

Calculation Pad ships an update fortnightly, and Notepad AI every 4 days. Most recently, Calculation Pad was updated on September 17, 2026 and Notepad AI on September 26, 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.*