# Calculator + vs Modulo Calculator, iCalcModulo

The clearest difference is in-app purchases: Modulo Calculator, iCalcModulo at none against Calculator +'s 12. Modulo Calculator, iCalcModulo also leads on rating (5.0 vs 4.6) and iOS requirement (12.0 vs 16.4). Calculator +'s advantage is review sentiment (85% vs 50%) and update cadence (every 4 days vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Calculator + sells 12 in-app purchases, starting at $4.99 per month. Modulo Calculator, iCalcModulo asks for nothing beyond the download.

Modulo Calculator, iCalcModulo holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Calculator + has 10K ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 85% of 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.

Calculator + ships an update every 4 days, Modulo Calculator, iCalcModulo every 6 weeks. The most recent releases landed on October 1, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Calculator + | Modulo Calculator, iCalcModulo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (10K ratings)](https://appshunter.io/ios/app/calculator-plus/id351815470/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/modulo-calculator-icalcmodulo/id6443557633/reviews)** |
| Number of ratings | **10K** | 1 |
| Positive reviews | **84.9% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 48 MB | 14 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [xNeat.com](https://appshunter.io/developer/327498295) | [Takao Ichimura](https://appshunter.io/developer/1474061593) |

## What reviewers say

### Calculator +

[App page](https://appshunter.io/ios/app/calculator-plus/id351815470)

This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.

**Highlights:** Free basic and scientific calculator, Intuitive interface with equation and result display, Fraction and percent support, Advanced editing capabilities, Polynomial and linear equation solver, Graphing calculator, Unit conversion and geometric calculators

**Features:** Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scientific Calculator | $4.99 | per month |
| Calculator | $39.99 | per year |
| Linear Calculator | $2.99 | one-time |
| Factoring Calculator | $2.99 | one-time |
| Handwriting Calculator | $2.99 | one-time |
| Currency Converter | $2.99 | one-time |
| Themes Pack | $2.99 | one-time |
| Graphing Calculator | $3.99 | one-time |
| Fraction Calculator | $3.99 | one-time |
| Scientific Calculator | $4.99 | one-time |
| Calculator Plus | $4.99 | one-time |
| Calculator | $16.99 | one-time |

**What reviewers like**

- 👍 Great features and easy to use
- 👍 Efficient and quick
- 👍 Versatile, functional calculator
- 👍 Fantastic, easy to use app
- 👍 Awesome calculator app

**What reviewers complain about**

- 🐛 New updated layout is awful
- 🐛 App is now terrible
- 🔒 Paying customer screwed over by update
- 🔒 Now timed trial, no free w/ads version
- 🔒 Not honest

**Reported bugs**

- Fraction calculator has TWO subtraction buttons and NO division button
- Decimals seem to be changed to fraction with no apparent way of changing it back
- Functionality is dropped by forcing you to the main menu every time you open it
- Currency converter broken
- Login screen freezes

**Requested features**

- Add mod function
- Add commas
- Add 1/x function
- Support for Retina Display
- Add number 4 with two lines


### 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 Calculator + free?

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, Calculator + or Modulo Calculator, iCalcModulo?

Modulo Calculator, iCalcModulo is rated higher. Calculator + averages 4.6 out of 5 from 10K ratings, while Modulo Calculator, iCalcModulo averages 5.0 from 1 ratings.

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

Both Calculator + and Modulo Calculator, iCalcModulo show ads.

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

Calculator + ships an update every 4 days, and Modulo Calculator, iCalcModulo every 6 weeks. Most recently, Calculator + was updated on October 1, 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.*