# Basic Calculator vs Modulo Calculator, iCalcModulo

The clearest difference is in-app purchases: Modulo Calculator, iCalcModulo at none against Basic Calculator's 1. Modulo Calculator, iCalcModulo also leads on rating (5.0 vs 4.8) and iOS requirement (12.0 vs 15.0). Basic Calculator's advantage is ratings volume (3.2K vs 1) and review sentiment (74% vs 50%). On price, update cadence, ads and device support there is nothing between them.

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

Modulo Calculator, iCalcModulo holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Basic Calculator has 3.2K ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 74% of Basic Calculator's written reviews are positive against 50% of Modulo Calculator, iCalcModulo's, so the app with the better star average is not the one people write more warmly about.

Basic Calculator ships an update every 2 months, Modulo Calculator, iCalcModulo every 6 weeks. The most recent releases landed on September 23, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Basic Calculator | Modulo Calculator, iCalcModulo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (3.2K ratings)](https://appshunter.io/ios/app/basic-calculator-classic-calc/id430271248/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/modulo-calculator-icalcmodulo/id6443557633/reviews)** |
| Number of ratings | **3.2K** | 1 |
| Positive reviews | **74.3% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 93 MB | 14 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [MobArts](https://appshunter.io/developer/429185872) | [Takao Ichimura](https://appshunter.io/developer/1474061593) |

## What reviewers say

### Basic Calculator

[App page](https://appshunter.io/ios/app/basic-calculator-classic-calc/id430271248)

A free, classic calculator app with large, easy-to-press buttons and customizable skins. It supports basic arithmetic, memory functions, and can handle very large numbers without using scientific notation. Multitasking is also supported on compatible devices.

**Highlights:** Large, easy-to-press buttons, Multiple beautiful skins, Basic arithmetic operations, Standard memory functions, Supports large numbers (up to 60 digits), Multitasking support (Split View, Slide Over)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Banner Ad Removal | $0.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 💡 Useful copy and paste functions
- 👍 Clear and large display
- 👍 Variety of skins/themes
- 👍 Responsive and fast

**What reviewers complain about**

- 🐛 Compatibility issues with iOS updates
- 🐛 Inaccurate calculations with larger numbers
- 🔋 Slow load times
- 🔍 Intrusive ads

**Reported bugs**

- Crashes or freezes after iOS updates
- Percent key not functioning correctly

**Requested features**

- Reinstate iPhone version
- Add scientific calculator functions
- Improve memory retention


### 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


## Frequently asked questions

### Is Basic Calculator free?

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

### Is Modulo Calculator, iCalcModulo free?

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

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

Modulo Calculator, iCalcModulo is rated higher. Basic Calculator averages 4.8 out of 5 from 3.2K ratings, while Modulo Calculator, iCalcModulo averages 5.0 from 1 ratings.

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

Both Basic Calculator and Modulo Calculator, iCalcModulo show ads.

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

Basic Calculator ships an update every 2 months, and Modulo Calculator, iCalcModulo every 6 weeks. Most recently, Basic Calculator was updated on September 23, 2026 and Modulo Calculator, iCalcModulo on September 12, 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.*