# Citizen Calculator ⁺ vs Smart Calculator+

The clearest difference is rating: Smart Calculator+ at 5.0 against Citizen Calculator ⁺'s 4.2. Smart Calculator+ also leads on ads (none vs shown) and update cadence (fortnightly vs every 12 months). Citizen Calculator ⁺'s advantage is in-app purchases (none vs 1). On price, ratings volume, device support and iOS requirement there is nothing between them.

Both are free to download. Smart Calculator+ sells 1 in-app purchase, starting at $0.49 per month. Citizen Calculator ⁺ asks for nothing beyond the download.

Smart Calculator+ holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 5 and 2 respectively.

Citizen Calculator ⁺ ships an update every 12 months, Smart Calculator+ fortnightly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Citizen Calculator ⁺ | Smart Calculator+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/citizen-calculator/id1668988303/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/smart-calculator-plus/id6503145023/reviews)** |
| Number of ratings | **5** | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Fortnightly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 6 MB | 32 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rakesh Bhadani](https://appshunter.io/developer/1647133078) | [Quick Consulting and Management LLC](https://appshunter.io/developer/1137340501) |

## What reviewers say

### Citizen Calculator ⁺

[App page](https://appshunter.io/ios/app/citizen-calculator/id1668988303)

This app emulates a CITIZEN calculator, perfect for everyday and business math. It handles basic operations, corrections, percentages, constants, and large numbers, displaying them in scientific notation when needed.

**Highlights:** Basic math operations, Check and correct functionality, Auto replay, Percent calculation, Constants calculation, Number formatting, Grand total (GT)

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Calculator+

[App page](https://appshunter.io/ios/app/smart-calculator-plus/id6503145023)

This finance app offers real-time auto-calculation and a unique left-to-right input method, eliminating the need for an equals button. It features a comprehensive history log for reviewing and editing past calculations, along with memory functions and customizable themes.

**Highlights:** Real-time auto-calculation, Left-to-right input, History log with editing, Memory functions, Customizable color themes, Light and dark mode

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Smart Auto Calculator | $0.49 | per month |


## Frequently asked questions

### Is Citizen Calculator ⁺ free?

Citizen Calculator ⁺ is free to download, with no in-app purchases.

### Is Smart Calculator+ free?

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

### Which has better reviews, Citizen Calculator ⁺ or Smart Calculator+?

Smart Calculator+ is rated higher. Citizen Calculator ⁺ averages 4.2 out of 5 from 5 ratings, while Smart Calculator+ averages 5.0 from 2 ratings.

### Do Citizen Calculator ⁺ or Smart Calculator+ have ads?

Citizen Calculator ⁺ shows ads; Smart Calculator+ does not.

### Which is updated more often, Citizen Calculator ⁺ or Smart Calculator+?

Citizen Calculator ⁺ ships an update every 12 months, and Smart Calculator+ fortnightly. Most recently, Citizen Calculator ⁺ was updated on November 3, 2026 and Smart Calculator+ on October 30, 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.*