Comparison

Basic Calc Plus vs Rotary calculator

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

Head to head

About

Basic Calc Plus

Features

Read full description

It is a calculator app basic for the iPhone. Set of sound and color settings, can be turned on and off of the consumption tax calculation. [Function] Four arithmetic operations % Calculation Memory facility 12-digit display Consumption tax calculation [Settings] Color: blue, yellow, red, green Sound: Normal, coins, punch, mute Consumption tax: ON, OFF Consumption tax rate:%

About

Rotary calculator

Features

Read full description

Calculator that rotates calculation results ~Easy to check calculation results with other people~

Screenshots

Basic Calc Plus3 screens

Rotary calculator3 screens

Verdict

The call

The clearest difference is update cadence: Rotary calculator at every 2 weeks against Basic Calc Plus's every 17 months. Rotary calculator also leads on device support (3 vs 1) and iOS requirement (15.8.3 vs 17.6). On price, ads and in-app purchases 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.

UpkeepUpdate frequency

Basic Calc Plus ships an update every 17 months, Rotary calculator every 2 weeks. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

Scorecard3 real differences · 3 level

Basic Calc Plus versus Rotary calculator: the parameters behind the verdict, then further details
Parameter	Basic Calc Plus	Rotary calculator
Price	Free	Free
Update frequency	Every 17 months	Every 2 weeks — better
Ads	Yes	Yes
In-app purchases	No	No
Devices	iPhone	iPhone, iPad, iPod — better
Requires iOS	17.6	15.8.3 — better
Further details — not scored
Size	5 MB	35 MB
Age rating	4+	4+
Developer	Osamu Ishigami	Hideaki Uchikoshi

In-app purchases

None

Basic Calc Plus

No in-app purchases

None

Rotary calculator

No in-app purchases

Questions

Is Basic Calc Plus free?

Basic Calc Plus is free to download, with no in-app purchases.

Is Rotary calculator free?

Rotary calculator is free to download, with no in-app purchases.

Do Basic Calc Plus or Rotary calculator have ads?

Both Basic Calc Plus and Rotary calculator show ads.

Which is updated more often, Basic Calc Plus or Rotary calculator?

Basic Calc Plus ships an update every 17 months, and Rotary calculator every 2 weeks. Most recently, Basic Calc Plus was updated on October 3, 2026 and Rotary calculator on October 1, 2026.