# Big Clock vs Studio Clock GX2021

The clearest difference is review sentiment: Studio Clock GX2021 at 73% against Big Clock's 0%. Studio Clock GX2021 also leads on rating (4.5 vs 3.5) and ads (none vs shown). Big Clock's advantage is monetization model (ad-supported vs free with in-app purchases). On price and in-app purchases there is nothing between them.

Both are free to download. Big Clock sells 3 in-app purchases, starting at $4.99 per 7 days and Studio Clock GX2021 sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Studio Clock GX2021 holds the better App Store score, 4.5 against 3.5. That said, the two scores are not equally well evidenced: Studio Clock GX2021 has 79 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of Big Clock's written reviews are positive against 73% of Studio Clock GX2021's.

Big Clock ships an update every 3 months, Studio Clock GX2021 every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Big Clock | Studio Clock GX2021 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (4 ratings)](https://appshunter.io/ios/app/big-clock-digital-display/id1553856417/reviews) | **[4.5 (79 ratings)](https://appshunter.io/ios/app/studio-clock-gx2021/id1584184143/reviews)** |
| Number of ratings | 4 | **79** |
| Positive reviews | 0.0% of reviews | **73.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 66 MB | 3 MB |
| Requires iOS | 18.0 | **14.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Ghori](https://appshunter.io/developer/1639082610) | [Trevor Kamhunga](https://appshunter.io/developer/1444171188) |

## 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 |


### Studio Clock GX2021

[App page](https://appshunter.io/ios/app/studio-clock-gx2021/id1584184143)

Transform your space into a professional studio with a highly accurate LED clock inspired by 1970s designs. Perfect for live shows, streams, and podcasts, it offers precise timing and customizable visual elements.

**Highlights:** 1/1000 second accuracy, Leap second support, 1970s LED design, Customizable colors, Quarter/half/hourly pips, Greenwich Time Signal (GTS)

**Features:** Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tangerine | $0.99 | one-time |
| Aqua | $0.99 | one-time |
| Plum | $0.99 | one-time |
| Banana | $0.99 | one-time |
| Strawberry | $0.99 | one-time |
| Bubblegum | $0.99 | one-time |
| Flora | $0.99 | one-time |
| Maraschino | $0.99 | one-time |
| Color Bundle | $2.99 | one-time |


## Frequently asked questions

### Is Big Clock free?

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

### Is Studio Clock GX2021 free?

Studio Clock GX2021 is free to download, with in-app purchases available.

### Which has better reviews, Big Clock or Studio Clock GX2021?

Studio Clock GX2021 is rated higher. Big Clock averages 3.5 out of 5 from 4 ratings, while Studio Clock GX2021 averages 4.5 from 79 ratings.

### Do Big Clock or Studio Clock GX2021 have ads?

Big Clock shows ads; Studio Clock GX2021 does not.

### Which is updated more often, Big Clock or Studio Clock GX2021?

Big Clock ships an update every 3 months, and Studio Clock GX2021 every 3 days. Most recently, Big Clock was updated on October 24, 2026 and Studio Clock GX2021 on October 24, 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.*