CALCOs vs Flex Calculators
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
CALCOs
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Calco is a fast, simple, and reliable calculator designed for those who need clear results without distractions. Its clean interface makes it easy to perform basic math operations in seconds, whether for personal, school, or work calculations. In addition to essential arithmetic functions, Calco automatically saves a history of your recent calculations, allowing you to review, copy, or reuse them whenever you need. Key Features: Basic operations: addition, subtraction, multiplication, and division. Calculation history accessible at all times. Intuitive and easy-to-use interface. Optimized for fast and stable performance on any iOS device. Compatible with light and dark modes. With Calco, you have a practical, secure, and straightforward tool for your daily calculation needs, without intrusive ads or unnecessary features.
Flex Calculators
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Flex Calculators is a powerful all-in-one calculator app built for everyday problems and advanced math. Use it as your daily calculator, then switch to specialized tools for equations, calculus, statistics, finance, time, and conversions. Key features: - Scientific calculator - Fast expression input and real-time result preview - History support for quick reuse - Configurable angle mode (degrees/radians) - Real-only or complex result handling - Advanced math tools - Equation solver - System of equations and system of inequalities - Matrix calculator - Vector calculator - Derivatives and integrals - Statistics and distributions - Value table and proportion tools - Number base converter - Unit converter - Convert across many categories including: length, mass, area, volume, temperature, time, speed, force, pressure, energy, power, electrical, light, sound, data, performance, chemistry, and biology - Daily life calculators - Currency converter - Energy/fuel cost calculator - BMI/body index calculator - Loan payment calculator - Savings calculator - Date calculator - World hour/time-zone tool - Personalization and display controls - Light, dark, or system theme - Custom theme color - Multi-language interface - Decimal precision setting - Number formatting options (including thousand separators) - Ads and purchase - Banner/interstitial ads may be shown - One-time purchase option to remove ads Why users choose Flex Calculators: - One app for both basic and advanced calculations - Clean workflow for study, engineering, and daily finance tasks - Practical tools that reduce the need to install multiple calculator apps Whether you need quick arithmetic, equation solving, conversions, or planning daily expenses, Flex Calculators helps you solve it faster.
Screenshots
Verdict
The clearest difference is in-app purchases: CALCOs at none against Flex Calculators's 1. On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Flex Calculators sells 1 one-off in-app purchase. CALCOs asks for nothing beyond the download.
| Parameter | CALCOs | Flex Calculators |
|---|---|---|
| Price | Free | Free |
| Update frequency | โ | Every 10 days |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details โ not scored | ||
| Size | 24 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Sportrade OU | An Le |
In-app purchases
CALCOs
No in-app purchases
Flex Calculators
- Remove Ads$4.99
Questions
Is CALCOs free?
Is Flex Calculators free?
Do CALCOs or Flex Calculators have ads?
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