Comparison

Blue Calculator+ vs interCalculator

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

Head to head
About

Blue Calculator+

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
Read full description

Blue Calculator+ is a basic calculator with functionality often desired in a fast, easy-to-use and lightweight app, as well as a companion app for Apple Watch owners. Features include: - Random number generator - Exponentials - Exponents - Squares, cubes, and squareroots - Logarithmic functions - and more

About

interCalculator

A versatile calculator app offering everyday arithmetic, advanced scientific functions, number base conversions, and graphing capabilities. It provides a clean interface designed for various screen sizes and includes features like prime number marking and divisor finding.

Highlights
  • Full expression calculation
  • Scientific functions (sin, cos, log)
  • Number base conversion (binary, hex)
  • Function graphing (f(x))
  • Divisor and prime divisor finder
  • iCloud history sync
  • Customizable accent colors
Features
Read full description

A clean, fast calculator for everyday math — with scientific functions, graphing and programmer tools when you need them. YOUR EVERYDAY CALCULATOR Type full expressions and watch the result update as you go. Prime numbers are marked at a glance. SCIENTIFIC FUNCTIONS Swipe up for sin, cos, tan, ln, log, powers, roots, factorials, π and more, in degrees or radians. NUMBER BASE CONVERSION Switch between decimal, binary, octal and hex, and calculate with AND, OR, XOR, NOT and bit shifts. FIND DIVISORS See every divisor of a number, with its prime divisors first. FUNCTION MODE WITH GRAPH Turn any expression into f(x). Trace the graph, pinch to zoom, or go full screen. DESIGNED FOR EVERY SCREEN Made for iPhone, iPad and iPhone Duo, with a layout that makes the most of every size. Also includes history synced with iCloud, seven accent colors with matching icons, haptic feedback, and full keyboard support.

Screenshots

Blue Calculator+2 screens
interCalculator4 screens

Verdict

The call

The clearest difference is update cadence: Blue Calculator+ at every 10 days against interCalculator's every 9 months. Blue Calculator+ also leads on iOS requirement (10.0 vs 17.0). On price, rating, ratings volume and ads 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

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

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Blue Calculator+ against 5.0 for interCalculator. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Blue Calculator+ ships an update every 10 days, interCalculator every 9 months. Both last shipped on November 3, 2026.

Scorecard2 real differences · 8 level
Blue Calculator+ versus interCalculator: the parameters behind the verdict, then further details
ParameterBlue Calculator+interCalculator
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings11
Update frequencyEvery 10 days — betterEvery 9 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, Mac
Requires iOS10.0 — better17.0
Further details — not scored
Size26 MB32 MB
Age rating4+4+
DeveloperBryan Stoneinterfinity Limited

Customer experience

Blue Calculator+

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

interCalculator

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Blue Calculator+

No in-app purchases

None

interCalculator

No in-app purchases

Questions

Is Blue Calculator+ free?
Blue Calculator+ is free to download, with no in-app purchases.
Is interCalculator free?
interCalculator is free to download, with no in-app purchases.
Which has better reviews, Blue Calculator+ or interCalculator?
Blue Calculator+ and interCalculator are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Blue Calculator+ or interCalculator have ads?
Neither Blue Calculator+ nor interCalculator shows ads.
Which is updated more often, Blue Calculator+ or interCalculator?
Blue Calculator+ ships an update every 10 days, and interCalculator every 9 months. Most recently, Blue Calculator+ was updated on November 3, 2026 and interCalculator on November 3, 2026.

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