# Calculation Pad vs iBigCalc

The clearest difference is in-app purchases: iBigCalc at none against Calculation Pad's 5. Calculation Pad's advantage is ads (none vs shown) and iOS requirement (13.0 vs 17). On price, update cadence and device support there is nothing between them.

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

Calculation Pad ships an update fortnightly, iBigCalc every 3 weeks. The most recent releases landed on October 21, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Calculation Pad | iBigCalc |
| --- | --- | --- |
| 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** | Yes |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 5 MB |
| Requires iOS | **13.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yukio Tajima](https://appshunter.io/developer/1473259619) | [Manh Phi Nguyen](https://appshunter.io/developer/1461707344) |

## 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 |


### iBigCalc

[App page](https://appshunter.io/ios/app/ibigcalc/id6760924865)

**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 iBigCalc free?

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

### Do Calculation Pad or iBigCalc have ads?

iBigCalc shows ads; Calculation Pad does not.

### Which is updated more often, Calculation Pad or iBigCalc?

Calculation Pad ships an update fortnightly, and iBigCalc every 3 weeks. Most recently, Calculation Pad was updated on October 21, 2026 and iBigCalc on October 16, 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.*