# Pro Full Forms vs Big Clock

The clearest difference is in-app purchases: Pro Full Forms at none against Big Clock's 3. Pro Full Forms also leads on iOS requirement (12.0 vs 18.0). Big Clock's advantage is update cadence (every 3 months vs every 29 months). On price, ads and device support there is nothing between them.

Both are free to download. Big Clock sells 3 in-app purchases, starting at $4.99 per 7 days. Pro Full Forms asks for nothing beyond the download.

Pro Full Forms ships an update every 29 months, Big Clock every 3 months. The most recent releases landed on September 17, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Pro Full Forms | Big Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.3 (3 ratings)](https://appshunter.io/ios/app/big-clock-digital-display/id1553856417/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 29 months | **Every 3 months** |
| Monetization | — | Ad-supported |
| Size | 11 MB | 66 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [gangadhar goud](https://appshunter.io/developer/898647800) | [Kevin Ghori](https://appshunter.io/developer/1639082610) |

## What reviewers say

### Pro Full Forms

[App page](https://appshunter.io/ios/app/pro-full-forms/id1542450776)

**Features:** macOS Compatibility

**In-app purchases:** none


### Big Clock

[App page](https://appshunter.io/ios/app/big-clock-digital-display/id1553856417)

This utility app displays the current day, time, and date in a large, full-screen digital format. It offers customization options for clock digit color and includes integrated alarm, timer, and stopwatch functionalities with advanced settings like repetition and lap tracking.

**Highlights:** Full-screen digital clock display, Customizable digit colors, Multiple alarm settings, Countdown timer, Stopwatch with lap feature, Display day and date

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Big Digital Clock Weekly Plan | $4.99 | per 7 days |
| Big Digital Clock Monthly Plan | $9.99 | per month |
| Big Digital Clock Yearly Plan | $49.99 | per year |


## Frequently asked questions

### Is Pro Full Forms free?

Pro Full Forms is free to download, with no in-app purchases.

### Is Big Clock free?

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

### Do Pro Full Forms or Big Clock have ads?

Both Pro Full Forms and Big Clock show ads.

### Which is updated more often, Pro Full Forms or Big Clock?

Pro Full Forms ships an update every 29 months, and Big Clock every 3 months. Most recently, Pro Full Forms was updated on September 17, 2026 and Big Clock on September 16, 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.*