# Calculator Book vs Smart Calculator·

The clearest difference is rating: Calculator Book at 5.0 against Smart Calculator·'s 4.3. Calculator Book also leads on iOS requirement (9.0 vs 15.0). Smart Calculator·'s advantage is update cadence (every 7 months vs every 19 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Calculator Book holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

Calculator Book ships an update every 19 months, Smart Calculator· every 7 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Calculator Book | Smart Calculator· |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/calculator-book/id1202878874/reviews)** | [4.3 (4 ratings)](https://appshunter.io/ios/app/smart-calculator/id6480170210/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | 76.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 7 months** |
| Monetization | Free | Free |
| Size | 14 MB | 4 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BIZCE TEKNOLOJI VE BILISIM A S](https://appshunter.io/developer/562534245) | [瑞媚 杨](https://appshunter.io/developer/1731046721) |

## What reviewers say

### Calculator Book

[App page](https://appshunter.io/ios/app/calculator-book/id1202878874)

Perform calculations with a clear view of all numbers involved. Easily see subtotals and modify previous entries for quick re-calculations. This tool simplifies complex math by displaying related figures simultaneously.

**Highlights:** Multi-line calculation display, View total and related numbers, Generate subtotals, Edit previous numbers, Easy re-calculation

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

**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 Calculator Book free?

Calculator Book 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, Calculator Book or Smart Calculator·?

Calculator Book is rated higher. Calculator Book averages 5.0 out of 5 from 2 ratings, while Smart Calculator· averages 4.3 from 4 ratings.

### Do Calculator Book or Smart Calculator· have ads?

Neither Calculator Book nor Smart Calculator· shows ads.

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

Calculator Book ships an update every 19 months, and Smart Calculator· every 7 months. Most recently, Calculator Book was updated on November 2, 2026 and Smart Calculator· on November 4, 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.*