1.6 Safe to install
Clean, feature‑filled everyday calculator with intrusive ads
Simple Calculator delivers fast basic and scientific functions, history, memory keys, themes and an offline floating mode in a lightweight app — but frequent ads and limited customization reduce the user experience.
Simple Calculator is a fast, clean calculator app designed for everyday math. It handles quick additions and percentages, offers a calculation history, and includes a scientific keypad for more advanced operations, all in a lightweight design that works offline.
Key features
- Basic math: addition, subtraction, multiplication, division, percent, and parentheses.
- Scientific panel: trig functions (sin, cos, tan), log/ln, π, √, x^y, factorial, and a Deg/Rad switch.
- History tape: view, reuse, and copy previous calculations.
- Memory functions: M+, M−, MR, MC for running totals.
- Big buttons and a clear display for easy reading and tapping.
- Themes and dark mode for comfortable use day or night.
- Vibration (haptic) feedback as an optional key press cue.
- Floating calculator overlay for multitasking.
- Works offline—no sign-in or network required.
Calculator
The Calculator is a fast, clean tool for everyday math: quick additions and percentages, a stored history, and a switch to scientific keys when more power is needed, all in a lightweight, offline design.
Why it’s handy
- Simple and reliable: opens instantly and stays unobtrusive.
- Productive: history and memory keys speed up repetitive tasks.
- Comfortable: large keypad, dark mode, and smooth interactions.
Quick Calculator After Calls
It provides quick access right after calls to calculate totals, expenses, or other important numbers in seconds.
Overview
Calculator: Simple Calculator is a Freeware software in the category System Utilities developed by Simple Calculator.
The latest version of Calculator: Simple Calculator is 1.6, released on 08/29/2026. It was initially added to our database on 04/02/2026.
Calculator: Simple Calculator runs on the following operating systems: Android.
Users of Calculator: Simple Calculator gave it a rating of 4 out of 5 stars.
Pros
- Lightweight and fast — opens instantly and designed for everyday calculations.
- Offline functionality — works without an internet connection and requires no sign‑in.
- Basic + scientific features — supports add/subtract/multiply/divide, percent, parentheses, trig, log/ln, π, √, xʸ, factorial and Deg/Rad switch.
- History tape and memory functions — view/reuse/copy past calculations and use M+, M−, MR, MC.
- Large buttons and clear display — easy to read and tap for quick entry.
- Themes and dark mode — day/night comfort and optional haptic feedback for keypresses.
- Floating calculator overlay — quick multitasking access (floating window).
- High install count and generally positive rating (4.2 with 1M+ downloads) — shows broad user adoption.
- Developer-provided privacy statement indicates no data collected and data is encrypted in transit (as declared in Play Store listing).
Cons
- Contains ads and multiple user reports of intrusive pop‑ups while using the app (can interrupt calculations).
- Limited customization — reviewers note inability to adjust font size, decimal places, or choose colors beyond provided themes.
- Privacy/ads signals are mixed — Play Store shows app-ads-txt/ad domains and the app may share app info/device IDs with third parties for ads; developer privacy info is hosted on a simple sites.google.com page (less formal).
- No clear in‑app option shown to remove ads (users report persistent ads and many seek an ad‑free replacement).
- Some users report stability/usability annoyances tied to ads or UI choices (based on reviews).
- Support contact is a generic email; limited visible company information beyond an individual developer name and country — may be a concern for users who want formal support or enterprise use.
FAQ
What is Calculator: Simple Calculator by Simple Calculator?
A lightweight calculator app for Android that provides basic and scientific functions, a history tape, memory keys, themes (including dark mode), optional haptic feedback, and a floating calculator overlay. It works offline and requires no sign-in.
Is the app free and does it contain ads?
Yes, the app is free to download and contains ads. Several user reviews mention frequent ad pop-ups; consider this if you need an ad-free experience.
What math functions does the app support?
Basic operations (add, subtract, multiply, divide, percent, parentheses) plus a scientific panel with trig (sin, cos, tan), log/ln, π, square root, exponentiation (xʸ), factorial, and a Deg/Rad switch.
Can I view and reuse previous calculations?
Yes. The app includes a history tape where you can view, copy, and reuse previous calculations.
Does the app offer memory functions and how do they work?
Yes. Standard memory functions are supported: M+ and M− to add/subtract to memory, MR to recall the stored value, and MC to clear memory for running totals and multi-step calculations.
Is there a dark mode or theme options?
Yes. The app offers themes including dark mode to make the display comfortable for day or night use.
Does the app collect personal data or require permissions?
According to the store listing, the developer reports no data collected. The app may share app info/performance and device or other IDs with third parties. Data is encrypted in transit and cannot be deleted per the developer’s declaration. Check the privacy policy link on the store page for full details.
Does the calculator work offline and require an account?
Yes. The app works offline and does not require you to sign in or create an account.
How do I get support or report a problem?
Support email is [email protected]. The Play Store listing also links to the developer’s page and a privacy policy for more information.
Which devices and Android versions are supported and how many downloads does the app have?
The app is available for Android phones and tablets (Play Store listing). It has over 1 million installs and a user rating around 4.2 stars (based on the Play Store listing). For specific Android version requirements, check the Play Store compatibility section on your device.
Pete Milner
I'm Pete, a software reviewer at UpdateStar with a passion for the ever-evolving world of technology. My background in engineering gives me a unique insight into the intricacies of software, allowing me to provide in-depth, knowledgeable reviews and analyses. Whether it's the newest software releases, tech innovations, or the latest trends, I'm here to break it all down for you. I work from UpdateStar’s Berlin main office.
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