# Big Calculator Low Vision vs Calculator Plus Basic & PEMDAS

The clearest difference is price: Calculator Plus Basic & PEMDAS at Free against Big Calculator Low Vision's $1.99. Calculator Plus Basic & PEMDAS also leads on update cadence (weekly vs every 15 months). Big Calculator Low Vision's advantage is in-app purchases (none vs 1) and ads (none vs shown). On rating, review sentiment, ratings volume and device support there is nothing between them.

Calculator Plus Basic & PEMDAS is free to download; Big Calculator Low Vision costs $1.99 up front. Calculator Plus Basic & PEMDAS sells 1 one-off in-app purchase. Big Calculator Low Vision asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Big Calculator Low Vision against 5.0 for Calculator Plus Basic & PEMDAS. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Big Calculator Low Vision ships an update every 15 months, Calculator Plus Basic & PEMDAS weekly. The most recent releases landed on October 22, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Big Calculator Low Vision | Calculator Plus Basic & PEMDAS |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/big-calculator-low-vision/id1177115993/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/calculator-plus-basic-and-pemdas/id6758761367/reviews) |
| Number of ratings | 2 | **5** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 15 months | **Weekly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 8 MB | 91 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [N Thorn](https://appshunter.io/developer/630929549) | [Paul Flowers](https://appshunter.io/developer/1874852072) |

## What reviewers say

### Big Calculator Low Vision

[App page](https://appshunter.io/ios/app/big-calculator-low-vision/id1177115993)

This utility app features a high-contrast, large-button calculator designed for users with visual impairments or low dexterity. It offers multiple color modes for optimal clarity in various lighting conditions.

**Highlights:** High contrast color modes, Large clear buttons, Designed for low vision, Aids low dexterity users, Multiple lighting clarity

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

**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 Big Calculator Low Vision free?

Big Calculator Low Vision costs $1.99, 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, Big Calculator Low Vision or Calculator Plus Basic & PEMDAS?

Big Calculator Low Vision and Calculator Plus Basic & PEMDAS are both rated 5.0 out of 5 on the App Store, from 2 and 5 ratings respectively.

### Do Big Calculator Low Vision or Calculator Plus Basic & PEMDAS have ads?

Calculator Plus Basic & PEMDAS shows ads; Big Calculator Low Vision does not.

### Which is updated more often, Big Calculator Low Vision or Calculator Plus Basic & PEMDAS?

Big Calculator Low Vision ships an update every 15 months, and Calculator Plus Basic & PEMDAS weekly. Most recently, Big Calculator Low Vision was updated on October 22, 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.*