# CalT vs Arcora

The clearest difference is price: Arcora at Free against CalT's $0.99. Arcora also leads on update cadence (monthly vs every 16 months). CalT's advantage is in-app purchases (none vs 3) and iOS requirement (12.0 vs 17.0). On ads and device support there is nothing between them.

Arcora is free to download; CalT costs $0.99 up front. Arcora sells 3 in-app purchases, starting at $4.99 per month. CalT asks for nothing beyond the download.

CalT ships an update every 16 months, Arcora monthly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CalT | Arcora |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Monthly** |
| Monetization | Paid | — |
| Size | 9 MB | 31 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Vladislav Kovalyov](https://appshunter.io/developer/718333197) | [uh-creations](https://appshunter.io/developer/1817071242) |

## 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


### Arcora

[App page](https://appshunter.io/ios/app/arcora-visual-day-planner/id6788354048)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Yearly | $39.99 | per year |
| Premium Lifetime | $89.99 | one-time |


## Frequently asked questions

### Is CalT free?

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

### Is Arcora free?

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

### Do CalT or Arcora have ads?

Neither CalT nor Arcora shows ads.

### Which is updated more often, CalT or Arcora?

CalT ships an update every 16 months, and Arcora monthly. Most recently, CalT was updated on October 30, 2026 and Arcora on October 31, 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.*