# Calculation Pad vs Cathy's Calculator for iPad

The clearest difference is in-app purchases: Cathy's Calculator for iPad at none against Calculation Pad's 5. Calculation Pad's advantage is update cadence (fortnightly vs every 38 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Calculation Pad sells 5 one-off in-app purchases. Cathy's Calculator for iPad asks for nothing beyond the download.

Calculation Pad ships an update fortnightly, Cathy's Calculator for iPad every 38 months. The most recent releases landed on October 21, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Calculation Pad | Cathy's Calculator for iPad |
| --- | --- | --- |
| 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 38 months |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 1 MB |
| Requires iOS | **13.0** | 15.4 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yukio Tajima](https://appshunter.io/developer/1473259619) | [Sanjay Rao](https://appshunter.io/developer/1628008593) |

## 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 |


### Cathy's Calculator for iPad

[App page](https://appshunter.io/ios/app/cathys-calculator-for-ipad/id1628009364)

**In-app purchases:** none


## Frequently asked questions

### Is Calculation Pad free?

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

### Is Cathy's Calculator for iPad free?

Cathy's Calculator for iPad is free to download, with no in-app purchases.

### Do Calculation Pad or Cathy's Calculator for iPad have ads?

Neither Calculation Pad nor Cathy's Calculator for iPad shows ads.

### Which is updated more often, Calculation Pad or Cathy's Calculator for iPad?

Calculation Pad ships an update fortnightly, and Cathy's Calculator for iPad every 38 months. Most recently, Calculation Pad was updated on October 21, 2026 and Cathy's Calculator for iPad on October 27, 2026.

---

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