# Big Clock vs ayi9

The clearest difference is in-app purchases: ayi9 at none against Big Clock's 3. ayi9 also leads on ads (none vs shown) and update cadence (every 6 weeks vs every 3 months). On price 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. ayi9 asks for nothing beyond the download.

Big Clock ships an update every 3 months, ayi9 every 6 weeks. The most recent releases landed on October 3, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Big Clock | ayi9 |
| --- | --- | --- |
| 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 | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Ad-supported | — |
| Size | 66 MB | 3 MB |
| Requires iOS | 18.0 | **16.6** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Kevin Ghori](https://appshunter.io/developer/1639082610) | [汉民 杨](https://appshunter.io/developer/611733383) |

## What reviewers say

### 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 |


### ayi9

[App page](https://appshunter.io/ios/app/ayi9/id6756864256)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Big Clock free?

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

### Is ayi9 free?

ayi9 is free to download, with no in-app purchases.

### Do Big Clock or ayi9 have ads?

Big Clock shows ads; ayi9 does not.

### Which is updated more often, Big Clock or ayi9?

Big Clock ships an update every 3 months, and ayi9 every 6 weeks. Most recently, Big Clock was updated on October 3, 2026 and ayi9 on October 18, 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.*