# CALCUL Calculator vs LockerCode

The clearest difference is in-app purchases: LockerCode at none against CALCUL Calculator's 3. CALCUL Calculator's advantage is update cadence (every 4 days vs every 4 months) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. CALCUL Calculator sells 3 one-off in-app purchases. LockerCode asks for nothing beyond the download.

CALCUL Calculator ships an update every 4 days, LockerCode every 4 months. The most recent releases landed on October 13, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | CALCUL Calculator | LockerCode |
| --- | --- | --- |
| 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 | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 4 months |
| Monetization | Free | — |
| Size | 1 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | +4 |
| Developer | [Reza Takhshid](https://appshunter.io/developer/1734530694) | [Meyssam Saghiri](https://appshunter.io/developer/1613311205) |

## 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 |


### LockerCode

[App page](https://appshunter.io/ios/app/lockercode/id6475039554)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is CALCUL Calculator free?

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

### Is LockerCode free?

LockerCode is free to download, with no in-app purchases.

### Do CALCUL Calculator or LockerCode have ads?

Neither CALCUL Calculator nor LockerCode shows ads.

### Which is updated more often, CALCUL Calculator or LockerCode?

CALCUL Calculator ships an update every 4 days, and LockerCode every 4 months. Most recently, CALCUL Calculator was updated on October 13, 2026 and LockerCode on October 30, 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.*