# Blue Calculator+ vs Calculator Plus Basic & PEMDAS

The clearest difference is in-app purchases: Blue Calculator+ at none against Calculator Plus Basic & PEMDAS's 1. Blue Calculator+ also leads on ads (none vs shown) and device support (4 vs 2). Calculator Plus Basic & PEMDAS's advantage is ratings volume (5 vs 1). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Calculator Plus Basic & PEMDAS sells 1 one-off in-app purchase. Blue Calculator+ asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Blue Calculator+ against 5.0 for Calculator Plus Basic & PEMDAS. That said, the two scores are not equally well evidenced: Calculator Plus Basic & PEMDAS has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Blue Calculator+ ships an update every 10 days, Calculator Plus Basic & PEMDAS weekly. The most recent releases landed on October 10, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Blue Calculator+ | Calculator Plus Basic & PEMDAS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/blue-calculator-plus/id1276052969/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/calculator-plus-basic-and-pemdas/id6758761367/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 26 MB | 91 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bryan Stone](https://appshunter.io/developer/1276052968) | [Paul Flowers](https://appshunter.io/developer/1874852072) |

## 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


### Calculator Plus Basic & PEMDAS

[App page](https://appshunter.io/ios/app/calculator-plus-basic-and-pemdas/id6758761367)

This app offers a customizable calculator experience with a clean interface and advanced features like PEMDAS mode and calculation history. Personalize its appearance with numerous themes and button styles to suit your preferences.

**Highlights:** PEMDAS order of operations mode, Over 50 customizable color themes, Full calculation history, Adjustable decimal precision, Copy and paste functionality, Sales tax calculations

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| More Beans Calculator | $4.99 | one-time |


## Frequently asked questions

### Is Blue Calculator+ free?

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

### Is Calculator Plus Basic & PEMDAS free?

Calculator Plus Basic & PEMDAS is free to download, with in-app purchases available.

### Which has better reviews, Blue Calculator+ or Calculator Plus Basic & PEMDAS?

Blue Calculator+ and Calculator Plus Basic & PEMDAS are both rated 5.0 out of 5 on the App Store, from 1 and 5 ratings respectively.

### Do Blue Calculator+ or Calculator Plus Basic & PEMDAS have ads?

Calculator Plus Basic & PEMDAS shows ads; Blue Calculator+ does not.

### Which is updated more often, Blue Calculator+ or Calculator Plus Basic & PEMDAS?

Blue Calculator+ ships an update every 10 days, and Calculator Plus Basic & PEMDAS weekly. Most recently, Blue Calculator+ was updated on October 10, 2026 and Calculator Plus Basic & PEMDAS on October 18, 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.*