Big Clock vs RetroClock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Big Clock
This app displays the time edge-to-edge on iOS devices, offering enhanced readability with crisp fonts for advanced displays. Customize your clock face with bold fonts, choose time formats, and toggle seconds. It functions offline and prioritizes user data privacy.
- Edge-to-edge time display
- Crisp font for XDR/Liquid Retina
- Dark mode support
- 12/24 hour format
- Customizable clock face styling
- Offline functionality
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Big Clock is designed specifically for iOS users. With an optimised layout for iOS devices, the time can be shown from edge to edge on the display for better readability and usability. For devices adopting XDR or Liquid Retina display technologies, a more crisp and clear font can be shown. FEATURES * Dark mode (night mode) is supported natively in app. The clock face can be viewed comfortably whenever it is in day time or in dark. * The clock can be displayed in either 12/24 time format. * Styling your own clock face with bold font, or to choose showing/hiding the seconds counter. * Timing and clock styling are made within the app. No network connection is required. For accurate time display, please make sure your phone’s clock is in-sync with the timezone that you’re in. * As no third-parties is involved within the process, all data are kept within the app. Made by PPES Developers & Contributors
RetroClock
Display customizable clock panels with various themes like digital, flip, and retro radio styles. Enjoy a selection of natural white noises with free combination playback.
- Digital clock themes
- Flip clock styles
- Retro radio clock
- Natural white noises
- Combination playback
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The application provides clock panels with various theme styles such as digital clock, flip clock, and retro radio style. It also contains a variety of natural white noises and provides free combination playback functions.
Screenshots
Verdict
The clearest difference is rating: RetroClock at 5.0 against Big Clock's 2.3. RetroClock also leads on update cadence (every 3 weeks vs every 31 months). Big Clock's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, review sentiment, ratings volume and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. RetroClock sells 1 one-off in-app purchase. Big Clock asks for nothing beyond the download.
RetroClock holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews split almost evenly too, at 50% and 50% positive.
Big Clock ships an update every 31 months, RetroClock every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Big Clock | RetroClock |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (4 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| Number of ratings | 4 — better | 3 |
| Update frequency | Every 31 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 8 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Philip Tam | 伟 雷 |
Customer experience
Big Clock
RetroClock
In-app purchases
Big Clock
No in-app purchases
RetroClock
- VIP$0.99
Questions
Is Big Clock free?
Is RetroClock free?
Which has better reviews, Big Clock or RetroClock?
Do Big Clock or RetroClock have ads?
Which is updated more often, Big Clock or RetroClock?
Other comparisons
