Comparison

Calculator vs Calc+α

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

Head to head
About

Calculator

This utility app allows users to perform calculations and view the formulas used. It offers the ability to edit past calculations and share results via email or memos. An optional purchase can remove advertisements.

Highlights
  • View calculation formulas
  • Edit past formulas
  • Share calculations
  • Ad-free option via purchase
  • Output to memos or email
Features
Read full description

This is a calculator. You can see the formula. You can edit formulas later. To edit a formula, tap the place you want to edit. Purchasing an option allows you to turn off advertisements. Since there is a sharing function, you can output calculation formulas and results to memos or send them by e-mail.

About

Calc+α

This utility app simplifies daily calculations with an intuitive interface. It features a history of your calculations, allows for easy editing and recalculation, and provides convenient tax and division functions. Organize your finances and avoid manual note-taking.

Highlights
  • Calculation history and review
  • Edit past calculations and recalculate
  • Tax-inclusive and exclusive calculation modes
  • Standard and reduced tax rate switching
  • Clear division and remainder display
  • Create and copy calculation sheets
Read full description

Calc+α is an app designed to make daily calculations easier and more efficient. Each feature is intuitive, enabling anyone to use it effortlessly. Whenever there's a need for calculations, Calc+α will be your reliable partner. **Calculation Sheet with History** Calculator+α saves your past calculations in a list, allowing you to review them anytime. It displays subtotals for each calculation, making verification simple. For different purposes like travel or shopping, you can create and copy various sheets to organize your calculations. No need to note down the calculation results on paper anymore. **Mistake Correction Feature** No worries about mistakes. You can edit past calculations and recalculate. By changing numbers, adding or removing rows, you can proceed with your calculations accurately. **Tax Rate Calculation** Switch between tax-inclusive and tax-exclusive calculations with just one button. Furthermore, effortlessly switch between standard and reduced tax rates, smoothing out calculations for products with different tax rates. **Division and Remainder Calculation** With a clear remainder display, you can instantly grasp intermediate results in calculations. By setting the truncation position, you can adjust the display of remainders to your liking. No more headaches with remainders in division.

Screenshots

Calculator3 screens
Calc+α4 screens

Verdict

The call

The clearest difference is review sentiment: Calculator at 43% against Calc+α's 0%. Calculator also leads on device support (3 vs 1). Calc+α's advantage is in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 2 months). On price, ads and iOS requirement 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. Calculator sells 1 one-off in-app purchase. Calc+α asks for nothing beyond the download.

UpkeepUpdate frequency

Calculator ships an update every 2 months, Calc+α every 3 weeks. The most recent releases landed on October 12, 2026 and October 20, 2026 respectively.

Scorecard5 real differences · 5 level
Calculator versus Calc+α: the parameters behind the verdict, then further details
ParameterCalculatorCalc+α
PriceFreeFree
Rating3.7 (10 ratings) — better—
Positive reviews42.9% of reviews — better0.0% of reviews
Number of ratings10 — better—
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better16.4
Further details — not scored
Size4 MB9 MB
Age rating4+4+
DeveloperHideki OgawaAriane Inc.

Customer experience

Calculator

All ratings10 ratings
Positive60.0%
Neutral10.0%
Negative30.0%
Written reviews7 reviews
Positive42.9%
Neutral14.3%
Negative42.9%

Calc+α

Written reviews2 reviews
Positive0.0%
Neutral50.0%
Negative50.0%

In-app purchases

1 purchases

Calculator

One-time1
  • Remove in-app ads$2.99
None

Calc+α

No in-app purchases

Questions

Is Calculator free?
Calculator is free to download, with in-app purchases available.
Is Calc+α free?
Calc+α is free to download, with no in-app purchases.
Do Calculator or Calc+α have ads?
Both Calculator and Calc+α show ads.
Which is updated more often, Calculator or Calc+α?
Calculator ships an update every 2 months, and Calc+α every 3 weeks. Most recently, Calculator was updated on October 12, 2026 and Calc+α on October 20, 2026.

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