# Big Red Clock vs allTimeCalc

The clearest difference is price: Big Red Clock at Free against allTimeCalc's $2.99. Big Red Clock also leads on update cadence (every 2 weeks vs every 21 months) and device support (4 vs 2). allTimeCalc's advantage is in-app purchases (none vs 2). On ads there is nothing between them.

Big Red Clock is free to download; allTimeCalc costs $2.99 up front. Big Red Clock sells 2 in-app purchases, starting at $0.99 per month. allTimeCalc asks for nothing beyond the download.

Big Red Clock ships an update every 2 weeks, allTimeCalc every 21 months. The most recent releases landed on October 14, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Big Red Clock | allTimeCalc |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.6 (183 ratings)](https://appshunter.io/ios/app/big-red-clock/id1056306447/reviews)** | — |
| Number of ratings | **183** | — |
| Positive reviews | 77.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 21 months |
| Monetization | Free | — |
| Size | 15 MB | 6 MB |
| Requires iOS | **18.6** | 26.0 |
| Devices | **iPhone, iPad, Mac, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Single Sail Software, LLC](https://appshunter.io/developer/359715495) | [Paulo Correia](https://appshunter.io/developer/1237073918) |

## What reviewers say

### Big Red Clock

[App page](https://appshunter.io/ios/app/big-red-clock/id1056306447)

This app provides a large, easily readable digital clock with both 12-hour and 24-hour formats. It also includes a countdown timer and a stopwatch function for various timekeeping needs.

**Highlights:** Large digital clock display, 12-hour and 24-hour formats, Countdown timer, Stopwatch functionality, Red color theme

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $5.99 | per year |


### allTimeCalc

[App page](https://appshunter.io/ios/app/alltimecalc/id1621535924)

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

**In-app purchases:** none


## Frequently asked questions

### Is Big Red Clock free?

Big Red Clock is free to download, with in-app purchases available.

### Is allTimeCalc free?

allTimeCalc costs $2.99, with no in-app purchases.

### Do Big Red Clock or allTimeCalc have ads?

Neither Big Red Clock nor allTimeCalc shows ads.

### Which is updated more often, Big Red Clock or allTimeCalc?

Big Red Clock ships an update every 2 weeks, and allTimeCalc every 21 months. Most recently, Big Red Clock was updated on October 14, 2026 and allTimeCalc on October 4, 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.*