Comparison

Octuple Calc vs Calculator

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

Head to head

About

Octuple Calc

Features

Read full description

Display eight calculators and perform calculations with each one.

About

Calculator

Features

Read full description

Calculator - SLOX is a simple yet powerful calculator app with a beautiful dark interface. FEATURES: • Basic arithmetic operations: +, −, ×, ÷ • Percentage calculations • Plus/minus toggle • Decimal point support • Clear and delete functions • Clean, modern dark design • Haptic feedback for button presses HIGHLIGHTS: • No permissions required • Works completely offline • 15 languages supported • No ads • Battery efficient • Fast and responsive Perfect for everyday calculations. Download now!

Screenshots

Octuple Calc1 screens

Calculator3 screens

Verdict

The call

The clearest difference is ads: Calculator at none against Octuple Calc's shown. Calculator also leads on update cadence (every 3 days vs every 2 weeks) and iOS requirement (13.0 vs 15.8.3). On price, in-app purchases 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

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

UpkeepUpdate frequency

Octuple Calc ships an update every 2 weeks, Calculator every 3 days. The most recent releases landed on October 28, 2026 and November 9, 2026 respectively.

Scorecard3 real differences · 3 level

Octuple Calc versus Calculator: the parameters behind the verdict, then further details
Parameter	Octuple Calc	Calculator
Price	Free	Free
Update frequency	Every 2 weeks	Every 3 days — better
Ads	Yes	No — better
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.8.3	13.0 — better
Further details — not scored
Size	36 MB	19 MB
Age rating	4+	4+
Developer	Hideaki Uchikoshi	SEOKWON YANG

In-app purchases

None

Octuple Calc

No in-app purchases

None

Calculator

No in-app purchases

Questions

Is Octuple Calc free?

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

Is Calculator free?

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

Do Octuple Calc or Calculator have ads?

Octuple Calc shows ads; Calculator does not.

Which is updated more often, Octuple Calc or Calculator?

Octuple Calc ships an update every 2 weeks, and Calculator every 3 days. Most recently, Octuple Calc was updated on October 28, 2026 and Calculator on November 9, 2026.