# CALCUL Calculator vs Flex Calculators

The clearest difference is update cadence: CALCUL Calculator at every 4 days against Flex Calculators's every 10 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CALCUL Calculator sells 3 one-off in-app purchases and Flex Calculators sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

CALCUL Calculator ships an update every 4 days, Flex Calculators every 10 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | CALCUL Calculator | Flex Calculators |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calcul-calculator/id6474445617/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 10 days |
| Monetization | Free | — |
| Size | 1 MB | 37 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Reza Takhshid](https://appshunter.io/developer/1734530694) | [An Le](https://appshunter.io/developer/1863975090) |

## What reviewers say

### CALCUL Calculator

[App page](https://appshunter.io/ios/app/calcul-calculator/id6474445617)

A free calculator app offering a clean interface with essential functions. It includes a detailed calculation history, allowing users to easily copy and paste numbers. The app also features a simple time interval calculator.

**Highlights:** Free calculator, No ads, Calculation history, Copy/paste from history, Backspace key, Time interval calculator

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1xSupport | $1.99 | one-time |
| 2xSupport | $3.99 | one-time |
| 3xSupport | $9.99 | one-time |


### Flex Calculators

[App page](https://appshunter.io/ios/app/flex-calculators/id6761326502)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is CALCUL Calculator free?

CALCUL Calculator is free to download, with in-app purchases available.

### Is Flex Calculators free?

Flex Calculators is free to download, with in-app purchases available.

### Do CALCUL Calculator or Flex Calculators have ads?

Neither CALCUL Calculator nor Flex Calculators shows ads.

### Which is updated more often, CALCUL Calculator or Flex Calculators?

CALCUL Calculator ships an update every 4 days, and Flex Calculators every 10 days. Most recently, CALCUL Calculator was updated on November 4, 2026 and Flex Calculators on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*