# Modulo Calculator, iCalcModulo vs Calculator CIassic

The clearest difference is in-app purchases: Modulo Calculator, iCalcModulo at none against Calculator CIassic's 1. Calculator CIassic's advantage is update cadence (weekly vs every 6 weeks) and ratings volume (10 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. Calculator CIassic sells 1 one-off in-app purchase. Modulo Calculator, iCalcModulo asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Modulo Calculator, iCalcModulo against 4.9 for Calculator CIassic. That said, the two scores are not equally well evidenced: Calculator CIassic has 10 ratings behind it against 1, so its average is the more settled of the two.

Modulo Calculator, iCalcModulo ships an update every 6 weeks, Calculator CIassic weekly. The most recent releases landed on September 30, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Modulo Calculator, iCalcModulo | Calculator CIassic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/modulo-calculator-icalcmodulo/id6443557633/reviews)** | [4.9 (10 ratings)](https://appshunter.io/ios/app/calculator-ciassic/id6447488409/reviews) |
| Number of ratings | 1 | **10** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 14 MB | 62 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Takao Ichimura](https://appshunter.io/developer/1474061593) | [Edison Largo](https://appshunter.io/developer/978541799) |

## What reviewers say

### Modulo Calculator, iCalcModulo

[App page](https://appshunter.io/ios/app/modulo-calculator-icalcmodulo/id6443557633)

This utility app provides a familiar calculator interface with the unique ability to calculate division remainders. It offers a calculation history, formula display, and clipboard functions for efficient use. Ideal for tasks requiring precise division with remainders.

**Highlights:** Division remainder calculation, Calculation history, Formula display, Clipboard copy/paste, Percent calculations, Familiar calculator operation

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Calculator CIassic

[App page](https://appshunter.io/ios/app/calculator-ciassic/id6447488409)

A straightforward and user-friendly calculator app designed for quick calculations. It features a display log for tracking calculations, a backspace key for corrections, and supports both decimal points and commas.

**Highlights:** Display log for calculations, Backspace key for corrections, Decimal point and comma support, Easy-to-use interface, Suitable for students and professionals

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is Modulo Calculator, iCalcModulo free?

Modulo Calculator, iCalcModulo is free to download, with no in-app purchases.

### Is Calculator CIassic free?

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

### Which has better reviews, Modulo Calculator, iCalcModulo or Calculator CIassic?

Modulo Calculator, iCalcModulo is rated higher. Modulo Calculator, iCalcModulo averages 5.0 out of 5 from 1 ratings, while Calculator CIassic averages 4.9 from 10 ratings.

### Do Modulo Calculator, iCalcModulo or Calculator CIassic have ads?

Both Modulo Calculator, iCalcModulo and Calculator CIassic show ads.

### Which is updated more often, Modulo Calculator, iCalcModulo or Calculator CIassic?

Modulo Calculator, iCalcModulo ships an update every 6 weeks, and Calculator CIassic weekly. Most recently, Modulo Calculator, iCalcModulo was updated on September 30, 2026 and Calculator CIassic on September 14, 2026.

---

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