# Calctan vs CTRL

The clearest difference is update cadence: CTRL at fortnightly against Calctan's every 3 months. CTRL also leads on iOS requirement (13.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Calctan ships an update every 3 months, CTRL fortnightly. The most recent releases landed on November 6, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Calctan | CTRL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (61 ratings)](https://appshunter.io/ios/app/calctan/id1445480535/reviews)** | — |
| Number of ratings | **61** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 9 MB | 193 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jorge Lozada](https://appshunter.io/developer/421852863) | [My CTRL](https://appshunter.io/developer/1685816257) |

## What reviewers say

### Calctan

[App page](https://appshunter.io/ios/app/calctan/id1445480535)

This app offers a high-precision scientific and financial calculator with a smart formula workspace and an auditable tape for tracking calculations. It's designed for students and professionals needing to edit complex expressions, manage finances, and export reports.

**Highlights:** Smart formula editing with tap-to-edit cursor, Undo/Redo functionality, Advanced scientific math functions, Auditable calculation tape, Exportable reports via AirPrint/PDF, iCloud sync across devices

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

**In-app purchases:** none


### CTRL

[App page](https://appshunter.io/ios/app/ctrl/id6448717740)

**In-app purchases:** none


## Frequently asked questions

### Is Calctan free?

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

### Is CTRL free?

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

### Do Calctan or CTRL have ads?

Neither Calctan nor CTRL shows ads.

### Which is updated more often, Calctan or CTRL?

Calctan ships an update every 3 months, and CTRL fortnightly. Most recently, Calctan was updated on November 6, 2026 and CTRL on October 25, 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.*