Comparison

WSPR watch vs World Clock Pro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

WSPR watch

This utility app provides ham radio operators with real-time WSPRnet and PSKreporter data. It displays who can hear you and offers detailed information for each spot. Users can also export data for further analysis.

Highlights
  • WSPRnet and PSKreporter data display
  • Real-time reception information
  • Detailed spot information
  • QRZ.com call sign lookup
  • Tab-delimited CSV export
Features
Read full description

Utility for ham radio users of WSPRnet. Quickly shows who can hear you and details of each spot. Tap a spot in the table to look up the call on QRZ.com. Export produces as tab delimited CSV file that can be sent to Numbers for sorting, filtering and graphing beyond what is in the app itself.

About

World Clock Pro

Easily track and convert time across multiple global time zones. Schedule events, share accurate times instantly, and access a vast database of cities and time zones. Ideal for international communication and planning.

Highlights
  • Universal clock access
  • Effortless time conversion
  • Schedule calendar events
  • Instant time sharing
  • Large city and timezone database
  • Automatic timezone updates
Features
Read full description

TIMEZONE CALCULATOR – YOUR ULTIMATE WORLD TIME COMPANION Master global time with a tool that is clear, concise, and built for busy international lives. Whether you’re scheduling business meetings or connecting with friends overseas, World Clock Pro keeps you in sync—simply and directly. ESSENTIAL FEATURES UNIVERSAL CLOCK ACCESS: View accurate times in cities around the world—New York, London, Tokyo, Sydney. No fuss, just the facts. EFFORTLESS TIME CONVERSION: Swipe to convert and compare time zones with precision. Plan your calls and meetings with ease. SCHEDULE WITH CONFIDENCE: Create and integrate calendar events quickly. Organize trips, group activities, and international calls without confusion. INSTANT TIME SHARING: Share exact times via email, SMS, social media, or messengers. Coordination is just a click away. HUGE CITY & TIMEZONE DATABASE: Access over 160,000 cities and popular time zones like GMT, UTC, EST, and PST at your fingertips. WHY THIS APP MATTERS Say goodbye to timezone confusion. This isn’t just another world clock—it’s a powerful tool for global thinkers, frequent travelers, and anyone who values clear, reliable time data. Streamline your schedule and manage your day without delay. EXTEND YOUR EXPERIENCE For a deeper dive into global time management, World Clock Pro is also available on Mac. Just search “World Clock Pro” in the Mac AppStore * * * World Clock Pro offers a premium subscription: Subscribe to get access to unlimited timezones, and timely automatic updates of our timezone database of more than 160,000 locations and timezones. – Length of subscription: 1 month or 1 year – Payment will be charged to iTunes Account at confirmation of purchase – Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period – Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal – Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase – Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable – Terms & Conditions: https://timemaster.s3.amazonaws.com/Time-master-terms.pdf – Privacy Policy: https://timemaster.s3.amazonaws.com/Time-master-privacy-policy.pdf

Screenshots

WSPR watch4 screens
World Clock Pro4 screens

Verdict

The call

The clearest difference is in-app purchases: WSPR watch at none against World Clock Pro's 6. WSPR watch also leads on update cadence (fortnightly vs every 2 months) and review sentiment (94% vs 77%). World Clock Pro's advantage is ratings volume (1.3K vs 73) and iOS requirement (13.0 vs 17.6). On price, rating, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. World Clock Pro sells 5 in-app purchases, starting at $1.99 per month. WSPR watch asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for WSPR watch against 4.8 for World Clock Pro. That said, the two scores are not equally well evidenced: World Clock Pro has 1.3K ratings behind it against 73, so its average is the more settled of the two. Written reviews are what separate them: 94% of WSPR watch's written reviews are positive against 77% of World Clock Pro's.

UpkeepUpdate frequency

WSPR watch ships an update fortnightly, World Clock Pro every 2 months. The most recent releases landed on September 18, 2026 and September 3, 2026 respectively.

Scorecard6 real differences · 4 level
WSPR watch versus World Clock Pro: the parameters behind the verdict, then further details
ParameterWSPR watchWorld Clock Pro
PriceFreeFree
Rating4.8 (73 ratings)4.8 (1.3K ratings)
Positive reviews93.7% of reviews — better76.7% of reviews
Number of ratings731.3K — better
Update frequencyFortnightly — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.613.0 — better
Further details — not scored
Size6 MB41 MB
Age rating4+4+
DeveloperAccess InformaticsAlex Komarov Inc.

Customer experience

WSPR watch

All ratings73 ratings
Positive93.2%
Neutral4.1%
Negative2.7%
Written reviews79 reviews
Positive93.7%
Neutral5.1%
Negative1.3%

World Clock Pro

All ratings1,349 ratings
Positive95.3%
Neutral1.9%
Negative2.8%
Written reviews206 reviews
Positive76.7%
Neutral4.9%
Negative18.4%

User reviews

WSPR watch

From 73 App Store ratings

What we love

  • 👍 Easy to use interface
  • 🚀 Fast data access
  • 🗺️ Superb globe/map visualization
  • 📱 Runs well on Mac, iPad, and iPhone
  • 💡 Developer is responsive and active

Room to improve

  • 🐛 Spot info jumbled in portrait mode
  • 🐛 Crashes sometimes
  • 🐛 WSPRnet API not working for some users
  • 🐛 PSK reporter not working for some users
  • 🐛 RBN not working for some users

World Clock Pro

From 1.3K App Store ratings

What we love

  • 🚀 Elegant and intuitive interface
  • 🔍 Excellent visualization of multiple time zones
  • ⏱ Seamless time shifting
  • 🌍 Convenient for international teams and travelers
  • 📆 Helpful for scheduling across time zones

Room to improve

  • 🐛 Widget issues and lack of functionality
  • 🖥 Lack of iPad and landscape mode support
  • 🔧 Concerns about app updates and feature removals
  • 💰 Complaints about subscription model and pricing

Bugs and requests

WSPR watch

Reported bugs

16 issues
  • Spot Info is jumbled in Portrait mode
  • Crashes sometimes
  • WSPRnet API hasn't worked for weeks for some users
  • WSPRnet itself not providing data for some users
  • PSK reporter doesn't work
Show 11 more
  • RBN doesn't work for some users
  • Hourly look back period obscured by keyboard on iPhone 5se
  • Color legend doesn't work as described
  • Duplicates in the spot list
  • Cannot get 10MHz results
  • Unclear what colored bars indicate
  • Doesn't load all spots for a band
  • Minimum DX distance not working for version 4
  • Hourly look back period obscured by keyboard on iPhone 5se
  • Color legend doesn't work as described
  • Duplicates in the spot list

Requested features

18 requests
  • Zoom out on map to see all spots
  • Add-on features
  • Ability to switch between local and UTC time
  • 24/12hr time format
  • Compare two callsigns
Show 13 more
  • Audio input for WSPR receive (decode on phone)
  • Monitor 2 or more bands at once
  • Quick way to change bands without going into settings
  • Time window slider on the map
  • Sorting by time, distance, etc. on list view
  • Partial callsign search
  • Satellite map view
  • Color legend for pins/lines
  • Duplicate spot removal
  • Support for 70cm and 23cm bands
  • Improved graph clarity
  • Option to change line color connecting Rx station to spot
  • Dark mode option

World Clock Pro

Reported bugs

3 issues
  • Widget not working on iOS 14 and newer
  • Issues with local time zone detection and display
  • Inconsistent behavior after app updates

Requested features

4 requests
  • Add date function for future time zone changes
  • Ability to customize and sort displayed time zones
  • Implement an Apple Watch app
  • Improve widget functionality and customization

In-app purchases

None

WSPR watch

No in-app purchases

5 purchases

World Clock Pro

Subscriptions5
  • 1 month$1.991 Month
  • 1 month2 variants$2.991 Month
  • 1 year3 Days trial$9.991 Year
Show 2 more
  • 1 year3 Days trial$11.991 Year
  • 1 year3 Days trial$19.991 Year

Questions

Is WSPR watch free?
WSPR watch is free to download, with no in-app purchases.
Is World Clock Pro free?
World Clock Pro is free to download, with in-app purchases available.
Which has better reviews, WSPR watch or World Clock Pro?
WSPR watch and World Clock Pro are both rated 4.8 out of 5 on the App Store, from 73 and 1.3K ratings respectively.
Do WSPR watch or World Clock Pro have ads?
Neither WSPR watch nor World Clock Pro shows ads.
Which is updated more often, WSPR watch or World Clock Pro?
WSPR watch ships an update fortnightly, and World Clock Pro every 2 months. Most recently, WSPR watch was updated on September 18, 2026 and World Clock Pro on September 3, 2026.

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