# Blue Calculator+ vs Smart Calculator·

The clearest difference is rating: Blue Calculator+ at 5.0 against Smart Calculator·'s 4.3. Blue Calculator+ also leads on update cadence (every 10 days vs every 7 months) and iOS requirement (10.0 vs 15.0). Smart Calculator·'s advantage is ratings volume (4 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Blue Calculator+ holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Blue Calculator+ ships an update every 10 days, Smart Calculator· every 7 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Blue Calculator+ | Smart Calculator· |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/blue-calculator-plus/id1276052969/reviews)** | [4.3 (4 ratings)](https://appshunter.io/ios/app/smart-calculator/id6480170210/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 7 months |
| Monetization | Free | Free |
| Size | 26 MB | 4 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bryan Stone](https://appshunter.io/developer/1276052968) | [瑞媚 杨](https://appshunter.io/developer/1731046721) |

## What reviewers say

### Blue Calculator+

[App page](https://appshunter.io/ios/app/blue-calculator-plus/id1276052969)

A straightforward and lightweight calculator app offering essential functions like random number generation, exponents, roots, and logarithms. It also serves as a companion for Apple Watch users, providing convenient access to calculations on their wrist.

**Highlights:** Random number generator, Exponentials and exponents, Squares, cubes, and square roots, Logarithmic functions, Apple Watch companion app

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Calculator·

[App page](https://appshunter.io/ios/app/smart-calculator/id6480170210)

This app offers a comprehensive suite of mathematical calculation tools, from basic arithmetic to advanced calculus and matrix operations. It also includes unit conversions and saves your calculation history for easy review. Personalize your experience with themes and night mode.

**Highlights:** Comprehensive calculation functions, Advanced mathematical operations, Unit conversion, Calculation history, Personalized themes and night mode

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Blue Calculator+ free?

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

### Is Smart Calculator· free?

Smart Calculator· is free to download, with no in-app purchases.

### Which has better reviews, Blue Calculator+ or Smart Calculator·?

Blue Calculator+ is rated higher. Blue Calculator+ averages 5.0 out of 5 from 1 ratings, while Smart Calculator· averages 4.3 from 4 ratings.

### Do Blue Calculator+ or Smart Calculator· have ads?

Neither Blue Calculator+ nor Smart Calculator· shows ads.

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

Blue Calculator+ ships an update every 10 days, and Smart Calculator· every 7 months. Most recently, Blue Calculator+ was updated on October 24, 2026 and Smart Calculator· on October 24, 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.*