Comparison

Big Calculator Low Vision vs Calculator Plus Basic & PEMDAS

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Big Calculator Low Vision

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
Read full description

Low Vision Calculator with High Contrast. A Visual impairment aid, BIC CALC is designed with 4 high Contrast Color modes for Good Clarity in Day or Night Lighting. Large print Calculator with big clear buttons for Easy Accuracy. This is very useful for low dexterity users. For larger text and pictures, please visit www.large-print-apps.com. BIG Calc is part of the BIG App Family for Low Vision Visually Impaired Users. Check out Big Keyboard at: https://itunes.apple.com/us/app/big-keys-low-vision-keyboard/id1139220959?mt=8 Check out Big List at: https://itunes.apple.com/us/app/big-list/id1161161455?mt=8

About

Calculator Plus Basic & PEMDAS

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
Read full description

Combining powerful calculations with fully customisable design — so your calculator looks and works just how you want it to! Built For Speed & Simplicity: Clean, simple, intuitive layout Instant, responsive calculations Large easy to read buttons and numbers Switch between standard and order of operations (PEMDAS) modes effortlessly Make It Yours: Over 50 color themes available, with more added regularly High-contrast colour themes for visually impaired users Favorite your top themes for quick switching Request your very own color theme Choose round or square buttons Smart Features That Matter: Full calculation history with US format date & timestamps - store up to a year of results Adjustable decimal precision Copy & paste from the display or calculation history Retro LCD or modern display Customisable haptic feedback intensity Sound effects on or off Optimized layouts for both iPhone and iPad Sales Tax calculations Currency conversions Speaking calculations Tips calculator Unit price calculator Discount percentage calculator Premium: Upgrade to Premium with a one-time purchase and: Unlock all Premium color themes and features forever on your iPhone and iPad No subscription Reasons to Love it: No clutter, no confusion — just an intuitive, great looking calculator Personalisation without limits

Screenshots

Big Calculator Low Vision4 screens
Calculator Plus Basic & PEMDAS4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
Big Calculator Low Vision versus Calculator Plus Basic & PEMDAS: the parameters behind the verdict, then further details
ParameterBig Calculator Low VisionCalculator Plus Basic & PEMDAS
Price$1.99Free — better
Rating5.0 (2 ratings)5.0 (5 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings25 — better
Update frequencyEvery 15 monthsWeekly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size8 MB91 MB
Age rating4+4+
DeveloperN ThornPaul Flowers

Customer experience

Big Calculator Low Vision

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Calculator Plus Basic & PEMDAS

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Big Calculator Low Vision

No in-app purchases

1 purchases

Calculator Plus Basic & PEMDAS

One-time1
  • More Beans Calculator$4.99

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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