# Calculator Widget Pro 18 vs CalDown

The clearest difference is price: CalDown at Free against Calculator Widget Pro 18's $1.99. CalDown also leads on ads (none vs shown) and update cadence (weekly vs every 7 months). Calculator Widget Pro 18's advantage is in-app purchases (none vs 1) and iOS requirement (17.0 vs 26.0). On device support there is nothing between them.

CalDown is free to download; Calculator Widget Pro 18 costs $1.99 up front. CalDown sells 1 one-off in-app purchase. Calculator Widget Pro 18 asks for nothing beyond the download.

Calculator Widget Pro 18 ships an update every 7 months, CalDown weekly. The most recent releases landed on October 12, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Calculator Widget Pro 18 | CalDown |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/caldown/id6744269741/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | Paid | **Free** |
| Size | 4 MB | 13 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Minh Nhat Dang](https://appshunter.io/developer/1581740311) | [Valentin Haberling](https://appshunter.io/developer/1803412455) |

## What reviewers say

### Calculator Widget Pro 18

[App page](https://appshunter.io/ios/app/calculator-widget-pro-18/id6467722661)

Create customizable calculator widgets for your Home Screen and StandBy mode. Easily access calculations with a tap, and personalize the look with various themes. Requires iOS 17.

**Highlights:** Home Screen widgets, StandBy mode widgets, Customizable calculator themes, Interactive widget design, iOS 17 compatibility

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

**In-app purchases:** none


### CalDown

[App page](https://appshunter.io/ios/app/caldown/id6744269741)

This app transforms your Apple Calendar into a clear, focused timeline. It highlights your current event with a countdown and remaining time bar, and offers customizable widgets for quick glances on your iPhone, iPad, and Apple Watch. Manage your schedule with enhanced time awareness and notifications.

**Highlights:** Focused event timeline, Countdown and remaining time bar, Customizable widgets, Live Activities on Lock Screen/Dynamic Island, Calendar notifications, Apple Watch complications, Reminders integration (beta)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock CalDown Pro | $9.99 | one-time |


## Frequently asked questions

### Is Calculator Widget Pro 18 free?

Calculator Widget Pro 18 costs $1.99, with no in-app purchases.

### Is CalDown free?

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

### Do Calculator Widget Pro 18 or CalDown have ads?

Calculator Widget Pro 18 shows ads; CalDown does not.

### Which is updated more often, Calculator Widget Pro 18 or CalDown?

Calculator Widget Pro 18 ships an update every 7 months, and CalDown weekly. Most recently, Calculator Widget Pro 18 was updated on October 12, 2026 and CalDown 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.*