# Calculation Pad vs Smart Instant Calculator

The clearest difference is in-app purchases: Smart Instant Calculator at none against Calculation Pad's 5. Calculation Pad's advantage is ads (none vs shown) and update cadence (fortnightly vs every 2 months). On price and device support there is nothing between them.

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

Calculation Pad ships an update fortnightly, Smart Instant Calculator every 2 months. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Calculation Pad | Smart Instant Calculator |
| --- | --- | --- |
| 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 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 8 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yukio Tajima](https://appshunter.io/developer/1473259619) | [Ichi Hosotsuji](https://appshunter.io/developer/1808829369) |

## 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 |


### Smart Instant Calculator

[App page](https://appshunter.io/ios/app/smart-instant-calculator/id6749926057)

**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 Smart Instant Calculator free?

Smart Instant Calculator is free to download, with no in-app purchases.

### Do Calculation Pad or Smart Instant Calculator have ads?

Smart Instant Calculator shows ads; Calculation Pad does not.

### Which is updated more often, Calculation Pad or Smart Instant Calculator?

Calculation Pad ships an update fortnightly, and Smart Instant Calculator every 2 months. Most recently, Calculation Pad was updated on November 3, 2026 and Smart Instant Calculator on November 8, 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.*