Atomic Clock PRO vs Market Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Atomic Clock PRO
Get the most accurate time from an official atomic clock server. This app automatically detects your time zone and allows custom backgrounds. Easily switch between digital and analog clock displays with a swipe.
- Exact time from atomic clock
- Automatic time zone recognition
- Customizable background images
- Digital and analog clock modes
- Optional sound alerts
- Color customization
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Get accurate time on your iPhone and iPad by syncing with an official atomic clock time server. Download now for free! If you want exact time, a precise time reference, or an easy-to-read clock display, this app is designed for that. It automatically recognizes your time zone, lets you use one of your own photos as the background, and lets you switch between a digital display and a classic analog clock with a simple swipe. It is ideal as a personalized desk clock, a reliable travel companion, an everyday reference clock, or when you need exact time to set a mechanical watch accurately. Overview: - Accurate and precise time synced from an official atomic clock time server - Automatically recognizes your time zone and shows the current local time - Choose digital, analog, or combined analog and digital clock displays - Swipe to switch between clock displays - Resize the digital clock for a larger or smaller display - Includes time (hours, minutes, and seconds), date, and day of the week (optional) - Optional sound every second or every minute - Change clock and background colors - Use your own photos as background images - Choose atomic clock sync or your device's system clock - Option to keep the screen awake while the app is open - Works in portrait and landscape mode - For iPhone and iPad Helpful for: - A personalized desk clock at home or at work - Getting the correct local time while traveling - Setting a mechanical watch accurately - A clear reference clock when you want accurate, easy-to-read time PLEASE NOTE: You can switch between the analog and digital clock by swiping left or right across the clock. Disclaimer: Please note that whilst all reasonable care has been taken to make this application as accurate as possible we can not guarantee 100% accuracy. Standard Apple Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Market Clock
Stay informed about global financial market trading hours and holidays. This app provides a consolidated view of market openings, closings, and upcoming events, replacing outdated physical calendars. Receive timely notifications to manage your trading strategy effectively.
- Global market trading hours
- Holiday and event calendar
- Clock, calendar, and timeline views
- Customizable notifications
- Support for equities, options, futures, and FX
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Market Clock brings global market hours, holidays, and key events together in one simple, reliable app. Built natively for iPhone, it gives traders and support teams a clear, real-time view of what’s happening across financial markets so you always know what’s open, what’s closed, and why. Instead of relying on static calendar cards that quickly become outdated, Market Clock keeps everything up to date automatically. It presents market schedules in a consistent, easy-to-read format, making it faster to track multiple exchanges and stay ahead of upcoming holidays and events. With access to a wide range of global markets, the iPhone app includes powerful features to help you stay informed and in control: - Personalise your view with a custom selection of markets. - See live market status and local time at a glance. - Get timely notifications for holidays and events: one week ahead, one day before, and on the day. - Browse upcoming events across all markets in a unified calendar. - Explore market hours with a scrollable, zoomable timeline and adjustable time zone. - Set custom alerts for specific market phases. Whether you’re monitoring a single exchange or tracking activity around the world, Market Clock helps you stay one step ahead of the market. Market Clock uses a simple subscription to keep your data accurate and up to date, with continuous updates to market hours, holidays, and newly supported markets. Track one market for free, or upgrade to unlimited markets for just $0.99 USD per month. Payment will be charged to your Apple ID account at the confirmation of purchase. The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase. Any unused portion of a free trial will be forfeited if you purchase a subscription. For more information, see our terms of service at https://www.market-clock.com/terms/ and privacy policy at https://www.market-clock.com/privacy/.
Screenshots
Verdict
The clearest difference is rating: Atomic Clock PRO at 4.7 against Market Clock's 3.7. Atomic Clock PRO also leads on ratings volume (10K vs 7). Market Clock's advantage is ads (none vs shown). On price, review sentiment, update cadence and in-app purchases 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. Atomic Clock PRO sells 2 in-app purchases, starting at $1.99 per month and Market Clock sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
Atomic Clock PRO holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: Atomic Clock PRO has 10K ratings behind it against 7, so its average is the more settled of the two. Written reviews split almost evenly too, at 73% and 73% positive.
Atomic Clock PRO ships an update every 3 months, Market Clock every 4 months. The most recent releases landed on October 15, 2026 and September 9, 2026 respectively.
| Parameter | Atomic Clock PRO | Market Clock |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (10K ratings) — better | 3.7 (7 ratings) |
| Positive reviews | 73.0% of reviews — better | 72.7% of reviews |
| Number of ratings | 10K — better | 7 |
| Update frequency | Every 3 months — better | Every 4 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 — better | 16.6 |
| Further details — not scored | ||
| Size | 6 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Brachmann Online Marketing GmbH & Co. KG | Benjamin Smith |
Customer experience
Atomic Clock PRO
Market Clock
Bugs and requests
Atomic Clock PRO
Reported bugs
3 issues- Second hand occasionally runs in reverse
- Digital clock display cuts off on some devices
- Inconsistent behavior when switching between clock types
Requested features
3 requests- Customizable clock face options
- Ability to set widget on home screen
- Sync with system clock to automatically update time
Market Clock
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Atomic Clock PRO
- Premium$1.991 Month
- Remove Ads$5.99
Market Clock
- Premium Market Data (1 Month)$0.991 Month
- Premium Market Data (1 Year)$9.991 Year
Questions
Is Atomic Clock PRO free?
Is Market Clock free?
Which has better reviews, Atomic Clock PRO or Market Clock?
Do Atomic Clock PRO or Market Clock have ads?
Which is updated more often, Atomic Clock PRO or Market Clock?
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