# aClocks vs OLEDX Analog BigClock

The clearest difference is review sentiment: aClocks at 100% against OLEDX Analog BigClock's 0%. aClocks also leads on update cadence (every 9 days vs every 2 months) and iOS requirement (9.0 vs 13.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. aClocks sells 1 one-off in-app purchase and OLEDX Analog BigClock sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

aClocks ships an update every 9 days, OLEDX Analog BigClock every 2 months. The most recent releases landed on October 21, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | aClocks | OLEDX Analog BigClock |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 17 MB | 19 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tomoyuki Okawa](https://appshunter.io/developer/421623755) | [Mamoona Yasin](https://appshunter.io/developer/1560108451) |

## What reviewers say

### aClocks

[App page](https://appshunter.io/ios/app/aclocks-international-clocks/id1193106356)

Display multiple analog clocks for cities worldwide. This app supports over 200 locations and observes daylight saving time and Japanese holidays with visual indicators. Choose from multiple languages for city and region names.

**Highlights:** Multiple analog clocks, Over 200 cities worldwide, Daylight saving time observation, Japanese holiday notifications, Multi-language support for city names, Offline functionality

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited clocks | $0.99 | one-time |


### OLEDX Analog BigClock

[App page](https://appshunter.io/ios/app/oledx-analog-bigclock-pendulum/id1574641032)

Transform your device into a customizable analog clock with a variety of styles, including photo and wallpaper options. Enjoy a large, easy-to-read display perfect for nightstands, with options for date, time, and battery status. Personalize your clock face with custom images and color schemes.

**Highlights:** Full-screen analog clock display, Customizable clock faces with imported images, Nightstand mode with large, readable time, HD wallpaper clock options, Date, time, and battery status display, Variety of analog clock styles, Adjustable brightness via swipe

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month SC | $2.99 | per month |
| Three Month SC | $4.99 | per 3 months |
| One Year SC | $17.99 | per year |
| Life time - One time PR | $24.99 | one-time |


## Frequently asked questions

### Is aClocks free?

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

### Is OLEDX Analog BigClock free?

OLEDX Analog BigClock is free to download, with in-app purchases available.

### Do aClocks or OLEDX Analog BigClock have ads?

Neither aClocks nor OLEDX Analog BigClock shows ads.

### Which is updated more often, aClocks or OLEDX Analog BigClock?

aClocks ships an update every 9 days, and OLEDX Analog BigClock every 2 months. Most recently, aClocks was updated on October 21, 2026 and OLEDX Analog BigClock on October 10, 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.*