# Citizen Calculator App vs Modulo Calculator, iCalcModulo

The clearest difference is in-app purchases: Modulo Calculator, iCalcModulo at none against Citizen Calculator App's 4. Modulo Calculator, iCalcModulo also leads on rating (5.0 vs 4.7). Citizen Calculator App's advantage is ads (none vs shown) and ratings volume (355 vs 1). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Citizen Calculator App sells 4 in-app purchases, starting at $0.99 per 7 days. Modulo Calculator, iCalcModulo asks for nothing beyond the download.

Modulo Calculator, iCalcModulo holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Citizen Calculator App has 355 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 72% of Citizen Calculator App'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.

Citizen Calculator App ships an update monthly, Modulo Calculator, iCalcModulo every 2 months. The most recent releases landed on November 11, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Citizen Calculator App | Modulo Calculator, iCalcModulo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (355 ratings)](https://appshunter.io/ios/app/citizen-calculator-app/id1541602534/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/modulo-calculator-icalcmodulo/id6443557633/reviews)** |
| Number of ratings | **355** | 1 |
| Positive reviews | **71.9% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Freemium | **Ad-supported** |
| Size | 26 MB | 9 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Devkrushna Infotech Private Limited](https://appshunter.io/developer/1491441074) | [Takao Ichimura](https://appshunter.io/developer/1474061593) |

## What reviewers say

### Citizen Calculator App

[App page](https://appshunter.io/ios/app/citizen-calculator-app/id1541602534)

This app offers a comprehensive calculator with standard arithmetic functions, business-specific calculations like GST, and advanced features. Enjoy a realistic calculator experience with tactile feedback and a clean interface.

**Highlights:** GST Calculator, Basic math operations, Business and financial functions (M+, M-, MU, GT), Realistic calculator feel with sound and vibration, Clear and backspace buttons, Display operator symbols

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Citizen Pro Weekly | $0.99 | per 7 days |
| Monthly Premium | $0.99 | per month |
| Citizen Pro Yearly | $2.99 | per year |
| Remove Ads forever | $4.99 | one-time |


### Modulo Calculator, iCalcModulo

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

This utility app functions as a standard calculator with a unique remainder calculation feature for division. It offers a familiar interface, calculation history, and clipboard support. Ideal for tasks requiring division with remainders and general arithmetic.

**Highlights:** Division with remainder calculation, Familiar calculator operation system, Calculation history display, Calculation formula display, Clipboard copy and paste, Percent calculations, Independent memory

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

**In-app purchases:** none


## Frequently asked questions

### Is Citizen Calculator App free?

Citizen Calculator App 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, Citizen Calculator App or Modulo Calculator, iCalcModulo?

Modulo Calculator, iCalcModulo is rated higher. Citizen Calculator App averages 4.7 out of 5 from 355 ratings, while Modulo Calculator, iCalcModulo averages 5.0 from 1 ratings.

### Do Citizen Calculator App or Modulo Calculator, iCalcModulo have ads?

Modulo Calculator, iCalcModulo shows ads; Citizen Calculator App does not.

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

Citizen Calculator App ships an update monthly, and Modulo Calculator, iCalcModulo every 2 months. Most recently, Citizen Calculator App was updated on November 11, 2026 and Modulo Calculator, iCalcModulo on November 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.*