# Calctan vs CharWiseF

The clearest difference is in-app purchases: CharWiseF at none against Calctan's 1. CharWiseF also leads on ads (none vs shown) and update cadence (every 8 days vs every 3 months). On price and device support there is nothing between them.

Both are free to download. Calctan sells 1 one-off in-app purchase. CharWiseF asks for nothing beyond the download.

Calctan ships an update every 3 months, CharWiseF every 8 days. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Calctan | CharWiseF |
| --- | --- | --- |
| 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 | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 13 MB |
| Requires iOS | 16.6 | **14** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Jorge Lozada](https://appshunter.io/developer/421852863) | [赋秋 蒋](https://appshunter.io/developer/1812216881) |

## What reviewers say

### Calctan

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

This sophisticated calculator app offers a minimalist design with advanced mathematical functions and extensive personalization options. It seamlessly syncs across devices and includes multitasking features for enhanced productivity.

**Highlights:** Intuitive minimalist design, 100+ customizable themes, 47 advanced mathematical functions, Automatic calculation history, iCloud sync across devices, Split Screen and Swipe Mode multitasking, Share calculations easily

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $9.99 | one-time |


### CharWiseF

[App page](https://appshunter.io/ios/app/charwisef/id6751485958)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calctan free?

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

### Is CharWiseF free?

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

### Do Calctan or CharWiseF have ads?

Calctan shows ads; CharWiseF does not.

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

Calctan ships an update every 3 months, and CharWiseF every 8 days. Most recently, Calctan was updated on October 11, 2026 and CharWiseF on October 7, 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.*