# OneCalc+ All-in-one Calculator — Calculates everything. No ads.

> Comprehensive calculator app with over 40 tools for various needs. (iPhone/iPad app by tasser gyati.)

- Source: https://appshunter.io/ios/app/onecalc-plus-all-in-one-calculator/id1324977953 (this page in markdown: same URL + `.md`)
- Developer: [tasser gyati](https://appshunter.io/developer/1324926550)
- Category: Productivity, Utilities
- Price: $3.99
- Rating: 4.70/5 from 512 App Store ratings · 107 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.6 · 3 MB
- Languages: American English, French (France), German (Germany), Italian, Japanese, Korean, Brazilian Portuguese, Russian, Chinese (Simplified, China), European Spanish and 1 more
- Released: 2018-02-21
- Data updated: 2026-08-27
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/onecalc-plus-all-in-one-calculator/id1324977953/reviews.md

## What is OneCalc+ All?

This is the premium (ad-free) version of "All-in-one calculator" app for iOS.

All-in-one calculator is a must have calculator app for your iPhone and iPad. It features over 40 calculators and unit converters for everyday use, grouped under finance, everyday math, health, construction, date & time, unit converters, and shopping/ retail.

Simple yet powerful, the following features are built into this all-in-one calculator:-

STANDARD CALCULATOR
• Includes percent key, negative sign, brackets and history viewer.
• Advanced mode includes memory keys and functions for trigonometry, roots, exponents and logarithm found in scientific calculators.

UNIT CONVERTER
• Supports temperature, length, weight, area, volume and many more measurement units.
• Currency converter.

FINANCIAL CALCULATOR
• Interest calculators using simple and compound interest
• Loan repayment and amortization schedule.
• Savings calculator with financial goal planner

FRACTIONS/ PERCENTAGE CALCULATOR
• Calculators for 3-way percentage, discount pricing, profit margin, tax, tip & split bill.
• Add, subtract, multiply, divide fractions

HEALTH
• BMI and calorie calculators to help you keep track of your body weight.

CONSTRUCTION CALCULATOR
• Calculators to estimate cement, sand, gravel quantities for concrete blocks, wall plastering and brick works.
• Area and volume calculator for common geometric shapes.
• Irregular land area calculator
• Solve height and distance problems using right-triangle calculator.

LIFESTYLE
• Age and date calculator

Need to know what you are paying for? Try out the free version of this calculator app from the developer profile.

## Key features

- Over 40 calculators and unit converters
- Standard and scientific calculator modes
- Financial calculators (interest, loans)
- Unit and currency converter
- Health (BMI, calorie) calculators
- Construction estimation tools
- Fraction and percentage calculations

## What do users think of OneCalc+ All?

Overall sentiment: positive

**Pros**

- 🚀 Comprehensive features
- 👍 Easy to use
- 🔒 No ads or tracking
- 💡 Useful unit conversions
- 🚀 Smooth performance
- 👍 Convenient history tracking
- 💡 Helpful for financial calculations

**Cons**

- 🐛 Ads still appear despite paid version
- 👎 Underlined buttons are distracting
- 🐛 Currency converter not up-to-date
- 👎 Lack of customization options
- 🐛 Calculation errors in complex operations

**Commonly reported bugs**

- History not clearing properly
- Paid version still showing ads
- Keyboard not working on Mac devices

**Most requested features**

- Add more themes and color options
- Implement a swap button for currency converter
- Allow manual ordering of favorites list
- Add a widget for quick access
- Include time calculation functionality
- Support for Bluetooth keyboard input

## Recent user reviews (10 of 107)

All indexed reviews: https://appshunter.io/ios/app/onecalc-plus-all-in-one-calculator/id1324977953/reviews.md

### 5/5 — Best calculator

*2026-06-10*

UPDATE: I really wish there was a pause in clearing the history. Like a button to confirm. I hit it on accident a couple times and had to redo a large amount of transactions. the Great product. I bought the ad free one, but apparently it does not erase the ad one when installed. I had two and kept seeing ads. Finally figured it out and deleted the ad one.  Weird way to build it.

### 5/5 — Best calculator

*2026-03-30*

Great product. I bought the ad free one, but apparently it does not erase the ad one when installed. I had two and kept seeing ads. Finally figured it out and deleted the ad one.  Weird way to build it.

### 5/5 — Very useful

*2026-03-14*

Great easy to use calculator. With lots of bonus calculations you get included. No brainer don’t have to remember formulas, you get the answer you need with just inputting values. I like its simplicity and any highly recommend for quick one offs. Soulver is also good for more involved tallies with persistence

### 4/5 — Very good except one thing

*2025-10-08*

I use this app a lot and would have rated 5 stars if the favorites list was sortable. Would be helpful to enable alpha sorting at a minimum. Would be even more helpful to have a manual ordering option.

### 5/5 — No Ads, No Tracking

*2025-09-18*

Great calculator. Modestly priced paid app. This app is what I would have expected as a default app on my iPhone. Sadly, Apple failed me there. 

But this app is great. No ads. No tracking. (Again, talking about the paid version.) Just a good calculator app. Highly recommend.

### 4/5 — Unités manquantes

*2025-08-21*

Très bonne app. 

En revanche pourquoi les unités centilitres et centigrammes ne sont pas présentes dans la liste du convertisseur ?! À corriger.

### 4/5 — Great. One Star Off for 1 Reason

*2025-08-16*

I like this app. I purchased the lifetime license to remove the ads. It is superior to the stock calculator in most ways. My only request is for the developer to add a swap button on the currency calculator so we can easily swap between currencies for example USD > DOP and the swap button to quickly switch to DOP > USD

### 5/5 — Très bonne appli

*2025-08-12*

Très utile

### 5/5 — Personal Fav

*2025-07-14*

I’ve downloaded a lot of calculators over the years but this one seems to have everything I could want. The vast array of unit conversions is really nice. 
One function that pleases me is the ability to calculate very large numbers - into the billions - a place where others calculators toss out error codes.

### 4/5 — A really good app but...

*2025-02-28, version 1.5.3*

I think the underline is unnecessary on every button,hope they can be removed in future

## Frequently asked questions about OneCalc+ All

### What does the OneCalc+ app do?

OneCalc+ is a premium calculator app offering over 40 specialized calculators and unit converters. It covers finance, everyday math, health, construction, date and time calculations, and unit conversions, all without advertisements.

### What are the key features of OneCalc+?

Key features include a standard calculator with advanced scientific functions, a comprehensive unit converter with currency exchange, financial calculators for loans and interest, health calculators like BMI, and specialized tools for construction estimation and fraction calculations.

### How much does OneCalc+ cost?

OneCalc+ is the premium, ad-free version of the app. Based on its description as a premium version, it is a paid application, meaning there is an upfront cost to download and use it.

### What devices is OneCalc+ compatible with?

The app is designed for iOS devices, specifically mentioning compatibility with iPhone and iPad. It is a must-have tool for these platforms.

### What are some common use cases for OneCalc+?

Common use cases include calculating loan repayments, estimating construction materials, tracking BMI and calories, converting currencies and units of measurement, calculating discounts and tips, and performing complex scientific calculations.

## Version history (last 5 releases)

### 1.6.1 — 2026-08-17

Minor improvements

### 1.6 — 2025-12-26

Bug fixes and minor improvements

### 1.5.4 — 2025-03-05

Bug-fixes and minor improvements

### 1.5.3 — 2025-02-25

Bug-fixes and minor improvements

### 1.5.2 — 2024-07-12

Bug fixes and minor improvements

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## More apps by tasser gyati

- [Simple Calculator.](https://appshunter.io/ios/app/simple-calculator/id1324926551)
- [Simple Calculator. +](https://appshunter.io/ios/app/simple-calculator-plus/id1324927779)
- [OneCalc: All-in-one Calculator](https://appshunter.io/ios/app/onecalc-all-in-one-calculator/id1324977193)
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All apps by tasser gyati: https://appshunter.io/developer/1324926550

## Related topics

[tasser gyati](https://appshunter.io/ios/topics/tasser-gyati)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-27.*