# Calculator vs JustCountdown

The clearest difference is update cadence: Calculator at every 5 days against JustCountdown's every 2 weeks. JustCountdown's advantage is iOS requirement (13.0 vs 15.0). 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.

Calculator ships an update every 5 days, JustCountdown every 2 weeks. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Calculator | JustCountdown |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/justcountdown/id6757598807/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | — | Free |
| Size | 2 MB | 3 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Ivan Znak](https://appshunter.io/developer/1769229490) | [John Healy](https://appshunter.io/developer/1065386158) |

## What reviewers say

### Calculator

[App page](https://appshunter.io/ios/app/calculator-gettogether/id6698887592)

**Features:** macOS Compatibility

**In-app purchases:** none


### JustCountdown

[App page](https://appshunter.io/ios/app/justcountdown/id6757598807)

This app provides a simple and elegant way to track upcoming events directly from your wrist. Set target dates and times, and view your progress with glanceable complications on your watch face. It offers multiple display formats and a private, ad-free experience.

**Highlights:** Set countdowns on your watch, Glanceable watch face complications, Multiple display formats, Favorite and recent event lists, Count up from past dates, Private and ad-free design

**In-app purchases:** none


## Frequently asked questions

### Is Calculator free?

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

### Is JustCountdown free?

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

### Do Calculator or JustCountdown have ads?

Neither Calculator nor JustCountdown shows ads.

### Which is updated more often, Calculator or JustCountdown?

Calculator ships an update every 5 days, and JustCountdown every 2 weeks. Most recently, Calculator was updated on October 27, 2026 and JustCountdown on October 28, 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.*