# CalT vs Countdown Timer Reminder

The clearest difference is price: Countdown Timer Reminder at Free against CalT's $0.99. CalT's advantage is iOS requirement (12.0 vs 16.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Countdown Timer Reminder is free to download; CalT costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CalT ships an update every 16 months, Countdown Timer Reminder every 18 months. The most recent releases landed on October 6, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | CalT | Countdown Timer Reminder |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/calt-date-and-time-calculator/id793926401/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 16 months** | Every 18 months |
| Monetization | Paid | — |
| Size | 9 MB | 22 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Vladislav Kovalyov](https://appshunter.io/developer/718333197) | [Farouk Nasser](https://appshunter.io/developer/1478256466) |

## What reviewers say

### CalT

[App page](https://appshunter.io/ios/app/calt-date-and-time-calculator/id793926401)

Perform calculations with dates and times, including adding, subtracting, multiplying, and dividing time intervals. Customize the app's appearance with themes and colors. Find the difference between two specific dates and times.

**Highlights:** Add, subtract, multiply, and divide time intervals, Calculate difference between two dates/times, Switch between result modes, Lite and Dark themes, Customizable accent colors

**Features:** macOS Compatibility

**In-app purchases:** none


### Countdown Timer Reminder

[App page](https://appshunter.io/ios/app/countdown-timer-reminder/id6743029117)

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

**In-app purchases:** none


## Frequently asked questions

### Is CalT free?

CalT costs $0.99, with no in-app purchases.

### Is Countdown Timer Reminder free?

Countdown Timer Reminder is free to download, with no in-app purchases.

### Do CalT or Countdown Timer Reminder have ads?

Neither CalT nor Countdown Timer Reminder shows ads.

### Which is updated more often, CalT or Countdown Timer Reminder?

CalT ships an update every 16 months, and Countdown Timer Reminder every 18 months. Most recently, CalT was updated on October 6, 2026 and Countdown Timer Reminder on September 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.*