# Basic Calculator vs CTTMX Sécurité

The clearest difference is in-app purchases: CTTMX Sécurité at none against Basic Calculator's 1. CTTMX Sécurité also leads on ads (none vs shown). Basic Calculator's advantage is update cadence (every 2 months vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Basic Calculator sells 1 one-off in-app purchase. CTTMX Sécurité asks for nothing beyond the download.

Basic Calculator ships an update every 2 months, CTTMX Sécurité every 4 months. The most recent releases landed on September 23, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Basic Calculator | CTTMX Sécurité |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (3.2K ratings)](https://appshunter.io/ios/app/basic-calculator-classic-calc/id430271248/reviews)** | — |
| Number of ratings | **3.2K** | — |
| Positive reviews | 74.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 93 MB | 115 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [MobArts](https://appshunter.io/developer/429185872) | [DOGO INFORMATIQUE SA DE CV](https://appshunter.io/developer/1515724149) |

## What reviewers say

### Basic Calculator

[App page](https://appshunter.io/ios/app/basic-calculator-classic-calc/id430271248)

A free, classic calculator app with large, easy-to-press buttons and customizable skins. It supports basic arithmetic, memory functions, and can handle very large numbers without using scientific notation. Multitasking is also supported on compatible devices.

**Highlights:** Large, easy-to-press buttons, Multiple beautiful skins, Basic arithmetic operations, Standard memory functions, Supports large numbers (up to 60 digits), Multitasking support (Split View, Slide Over)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Banner Ad Removal | $0.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 💡 Useful copy and paste functions
- 👍 Clear and large display
- 👍 Variety of skins/themes
- 👍 Responsive and fast

**What reviewers complain about**

- 🐛 Compatibility issues with iOS updates
- 🐛 Inaccurate calculations with larger numbers
- 🔋 Slow load times
- 🔍 Intrusive ads

**Reported bugs**

- Crashes or freezes after iOS updates
- Percent key not functioning correctly

**Requested features**

- Reinstate iPhone version
- Add scientific calculator functions
- Improve memory retention


### CTTMX Sécurité

[App page](https://appshunter.io/ios/app/cttmx-securite/id1519385993)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Basic Calculator free?

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

### Is CTTMX Sécurité free?

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

### Do Basic Calculator or CTTMX Sécurité have ads?

Basic Calculator shows ads; CTTMX Sécurité does not.

### Which is updated more often, Basic Calculator or CTTMX Sécurité?

Basic Calculator ships an update every 2 months, and CTTMX Sécurité every 4 months. Most recently, Basic Calculator was updated on September 23, 2026 and CTTMX Sécurité on September 18, 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.*