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OneCalc: All-in-one Calculator app icon#7in Calculation

OneCalc: All-in-one Calculator

Calculation · Free download
S Tier
Best in class · #7 of 40
91
4.6★5.1K ratings
Free downloadprice
2mosince update

What is OneCalc?

All-in-one Calculator is a free productivity app for iPhone and iPad. It includes a standard calculator with an advanced scientific mode, along with unit converters, financial, health, everyday math, construction, date and time, and business calculators. The listing describes over 40 calculators and unit converters in total.

Pricing. OneCalc: All-in-one Calculator is free to download on the App Store.

Good for

  • Estimating materials for small repair or DIY projects
  • Working out loan payments or savings and interest
  • Calculating tips, discounts, sales tax or profit margins

Screenshots

1 / 4

Why this app is in S tier

OneCalc scores 91 out of 100: rating 91, rating count 79, App Store search rank 93, update recency 99. The four parts are averaged with no weights, and S tier follows from that score within this list. The full explanation, as data.

Description

All-in-one Calculator is a free calculator app for iPhone and iPad featuring over 40+ calculators and unit converters categorized under finance, health, date & time, construction, shopping and everyday math. Simple yet powerful, the following features are built into this all-in-one calculator app:- STANDARD CALCULATOR • Includes percent key, negative sign, memory functions, brackets and history viewer. • Advanced mode includes functions for trigonometry, roots, exponents and logarithm found in scientific calculators. UNIT CONVERTER • Convert values between metric/ imperial units with conversion calculators for temperature, length, weight, area, volume and many more. FINANCIAL CALCULATORS • Interest calculators using simple and compound interest • Loan calculator with amortization schedule • Savings calculator to calculate future value and monthly savings amount • Currency converter HEALTH -Keep track of your body weight with these calculators:- • BMI calculator • Calories burnt calculator • Running Pace calculator EVERYDAY MATH • Percentage calculator • Fraction calculator • Rounding calculator • Area/ Volume calculator • Right-triangle calculator CONSTRUCTION -Estimate ma

Compare in Calculation

MeasureOneCalcCalculator with History +Calculator=
TierSSS
Score91 / 10092 / 10091 / 100
Rating4.6 ★4.7 ★4.6 ★
Ratings5.1K25.3K359K
Latest ratings · 180d—4.0 ★ · 20 reviews1.9 ★ · 20 reviews
Last update66d ago33d ago79d ago
PriceFree downloadFree downloadFree download

Alternatives

See all 39 ›
  1. Calculator+Free + IAP · ★ 4.7S
  2. Calculator‰Free · ★ 4.9S
  3. Calculator·Free + IAP · ★ 4.9S

Questions about OneCalc

Is the app free?

Yes. It is free to download. No in-app purchases are listed.

Does it include a scientific calculator?

The standard calculator has an advanced mode with trigonometry, roots, exponents and logarithm functions, which the listing describes as found in scientific calculators.

Which devices does it support?

The listing describes the app as being for iPhone and iPad.

Is OneCalc free?

OneCalc is free to download.

What is OneCalc good for?

OneCalc is built for estimating materials for small repair or DIY projects, working out loan payments or savings and interest, calculating tips, discounts, sales tax or profit margins. It sits in the calculation list on AppTierList.

Is OneCalc worth it?

OneCalc is S tier, ranked #7 of 40 calculation apps with a score of 91 out of 100, from a 4.6 App Store rating across 5,102 ratings. It is in the list's top tiers; 6 apps rank above it.

How does OneCalc compare to Calculator with History +?

OneCalc is S tier at 91; Calculator with History + is S tier at 92. Calculator with History + ranks higher. OneCalc is free to download, Calculator with History + is free to download.

How often is OneCalc updated?

OneCalc was last updated on 2026-08-17, 66 days ago.

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All the facts

List
Calculation (S tier, #7)
Tier
S (Best in class)
Score
91 / 100
Rank in list
#7 of 40
Ranking certainty
settled
Price
Free download
App Store rating
4.6 out of 5
Number of ratings
5,102
Current version
(66 days ago)
App Store data read
App Store category
Productivity
Good for
Estimating materials for small repair or DIY projects, Working out loan payments or savings and interest, Calculating tips, discounts, sales tax or profit margins
Requires
iOS 15.6 or later
Size
6 MB
Age rating
4+
Languages
11
Maker
unclaimed
As data
JSON · why it ranks here

App Store data read · ranking · how it is computed