# Calculator Book vs Basic Calculator With BIDMAS

The clearest difference is in-app purchases: Calculator Book at none against Basic Calculator With BIDMAS's 1. Calculator Book also leads on ads (none vs shown) and rating (5.0 vs 4.8). Basic Calculator With BIDMAS's advantage is update cadence (weekly vs every 19 months) and review sentiment (100% vs 76%). On price and device support there is nothing between them.

Both are free to download. Basic Calculator With BIDMAS sells 1 one-off in-app purchase. Calculator Book asks for nothing beyond the download.

Calculator Book holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 2 and 6 respectively. Written reviews complicate that: 76% of Calculator Book's written reviews are positive against 100% of Basic Calculator With BIDMAS's, so the app with the better star average is not the one people write more warmly about.

Calculator Book ships an update every 19 months, Basic Calculator With BIDMAS weekly. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Calculator Book | Basic Calculator With BIDMAS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/calculator-book/id1202878874/reviews)** | [4.8 (6 ratings)](https://appshunter.io/ios/app/basic-calculator-with-bidmas/id6758761367/reviews) |
| Number of ratings | 2 | **6** |
| Positive reviews | 76.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 19 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 14 MB | 91 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BIZCE TEKNOLOJI VE BILISIM A S](https://appshunter.io/developer/562534245) | [Paul Flowers](https://appshunter.io/developer/1874852072) |

## 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


### Basic Calculator With BIDMAS

[App page](https://appshunter.io/ios/app/basic-calculator-with-bidmas/id6758761367)

A powerful and customizable calculator app that supports standard calculations and order of operations (PEMDAS). Personalize your experience with numerous themes and button styles, and utilize smart features like calculation history and currency conversion. Upgrade to unlock all premium features permanently.

**Highlights:** Order of operations (PEMDAS) mode, Over 50 color themes, Calculation history, Adjustable decimal precision, Currency conversions, Sales tax calculations

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| More Beans Calculator | $2.99 | one-time |


## Frequently asked questions

### Is Calculator Book free?

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

### Is Basic Calculator With BIDMAS free?

Basic Calculator With BIDMAS is free to download, with in-app purchases available.

### Which has better reviews, Calculator Book or Basic Calculator With BIDMAS?

Calculator Book is rated higher. Calculator Book averages 5.0 out of 5 from 2 ratings, while Basic Calculator With BIDMAS averages 4.8 from 6 ratings.

### Do Calculator Book or Basic Calculator With BIDMAS have ads?

Basic Calculator With BIDMAS shows ads; Calculator Book does not.

### Which is updated more often, Calculator Book or Basic Calculator With BIDMAS?

Calculator Book ships an update every 19 months, and Basic Calculator With BIDMAS weekly. Most recently, Calculator Book was updated on November 2, 2026 and Basic Calculator With BIDMAS on October 31, 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.*