Comparison

GPS Speedometer vs World Time Clock Master

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

Head to head
About

GPS Speedometer

Track your speed in various units like MPH, KMH, and knots. This app offers a HUD display, speed limit alerts, and saves all your trip data. It's ideal for those with broken vehicle speedometers or for monitoring travel speed.

Highlights
  • Multiple speed units (MPH, KMH, Knots)
  • Digital speedometer with trip data
  • HUD display for windshield use
  • Customizable speed limit alerts
  • Compass functionality
  • Automatic trip saving and sharing
Features
Read full description

GPS Speedometer is used to measure car, bike, walk, run, boat, bus, train and bicycle speed. This app is very helpful for those who have a broken speedometer or odometer in their car, bike or other vehicle. # Features ◆ This GPS Speedometer app has 3 speed units - MPH, KMH, KNOTS. ◆ Digital speedometer not only shows your current speed. It also shows average speed, total distance, maximum speed, stop time and actual trip time taken by you , your car, your bike , etc. ◆ The speed accuracy is closed to 97%. ◆ HUD(Heads Unit Display) helps you to use GPS Speedometer in car windshield. You can change the colors of the display. ◆ You can set maximum speed limits to make sure you do not get too fast. Alert Sounds and Vibration will inform your if you drive more than the specified limit. ◆ Compass function lets you to see where you are pointing at. ◆ All trips are automatically saved and can be viewed at any time. ◆ App allows you to share your trip info easily. Subscription & Premium Access
 GPS Speedometer is free to download and use with basic features. For an enhanced experience with unlimited readings and advanced tools, you can choose from our in-app subscription plans.
 Billing Details
 * Payment is billed to your Apple ID account once the purchase is confirmed. * Your subscription automatically renews unless you turn off auto-renew at least 24 hours before the current period ends. * Within 24 hours before your subscription cycle ends, your account will be charged the renewal fee, and you’ll be informed of the renewal amount. Manage or Cancel
 * You can manage your subscription, or turn off auto-renewal, anytime through your Apple ID account settings after purchase. * Disabling auto-renew stops future charges but doesn’t immediately cancel your current subscription. Privacy Policy: https://sites.google.com/view/hanjadevi/fakegps-privacy-policy Terms of Use: https://sites.google.com/view/hanjadevi/termsconditions

About

World Time Clock Master

Effortlessly manage multiple time zones with this app. Convert times instantly, schedule events, and view global clocks at a glance with interactive widgets. Features atomic accuracy and a vast database of locations.

Highlights
  • Multiple time zone display
  • Interactive time conversion
  • Event scheduling
  • Atomic time accuracy
  • Dynamic home screen widgets
  • List mode for text view
  • Real moon phases and sunrise/sunset
Features
Read full description

THE EASIEST WAY TO DEAL WITH MULTIPLE TIMEZONES + INTERACTIVE WIDGETS Sick of screwing up meeting times and missing calls? This app cuts through time-zone confusion and hands you the perfect hour at a glance. Forget guesswork — just click, connect, and impress. KEY FEATURES EVENT SCHEDULING MADE EASY Found the perfect meeting time? Add events to your calendar with just a tap, and never miss an international webinar, call, or special moment again. ATOMIC ACCURACY No drift, no guesswork. Each second syncs with the atomic standard, so you can trust every moment. Extensive Time Zone Database: Tap into over 160,000 locations and time zones including GMT, UTC, and more. UNIFIED CLOCK FACE View all your essential time zones at a glance on one beautifully designed, customizable clock face. Whether you prefer digital or analog displays (or even military time), everything is exactly where you need it. INTERACTIVE TIME CONVERSION Convert times instantly by simply twisting or swiping across the clock face. Watch as your selected time zones update in real time—making planning international calls, meetings, or travel effortless. DYNAMIC WIDGETS Access global times without even opening the app. Our interactive home screen widget lets you drag a simple line to reveal and convert times, ensuring you’re always in sync no matter where you are. LIST MODE Get a clean, text-based view of all your cities in one column. See times and dates at a glance, and scroll to check future or past hours. It’s a no-fuss way to track the world’s clocks. FEELS LIKE A LUXURY TIMEPIECE We poured effort into details most people never notice — and we’re okay with that. Our users aren’t “most people.” Details include: — Real Moon Phases — Real Moon Rotation — Real Sunrise & Sunset — Advanced City Lights — Haptic Feedback * * * World Clock Master offers a premium subscription: Subscribe to get access to unlimited timezones, interactive widgets, customizations, 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

Screenshots

GPS Speedometer4 screens
World Time Clock Master4 screens

Verdict

The call

The clearest difference is rating: World Time Clock Master at 4.6 against GPS Speedometer's 4.0. World Time Clock Master also leads on ads (none vs shown) and update cadence (fortnightly vs every 2 months). GPS Speedometer's advantage is monetization model (free with in-app purchases vs subscription) and ratings volume (4.2K vs 839). On price, review sentiment, in-app purchases 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. GPS Speedometer sells 11 in-app purchases, starting at $1.99 per 7 days and World Time Clock Master sells 10 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

World Time Clock Master holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: GPS Speedometer has 4.2K ratings behind it against 839, so its average is the more settled of the two. Written reviews split almost evenly too, at 66% and 67% positive.

UpkeepUpdate frequency

GPS Speedometer ships an update every 2 months, World Time Clock Master fortnightly. The most recent releases landed on October 28, 2026 and October 27, 2026 respectively.

Scorecard6 real differences · 4 level
GPS Speedometer versus World Time Clock Master: the parameters behind the verdict, then further details
ParameterGPS SpeedometerWorld Time Clock Master
PriceFreeFree
Rating4.0 (4.2K ratings)4.6 (839 ratings) — better
Positive reviews66.2% of reviews66.7% of reviews — better
Number of ratings4.2K — better839
Update frequencyEvery 2 monthsFortnightly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, Vision Pro
Requires iOS15.0 — better17.0
Further details — not scored
Size28 MB236 MB
Age rating4+4+
DeveloperHanja DeviAlex Komarov Inc.

Customer experience

GPS Speedometer

All ratings4,169 ratings
Positive73.4%
Neutral8.8%
Negative17.9%
Written reviews1,226 reviews
Positive66.2%
Neutral9.2%
Negative24.6%

World Time Clock Master

All ratings839 ratings
Positive90.9%
Neutral2.5%
Negative6.6%
Written reviews78 reviews
Positive66.7%
Neutral5.1%
Negative28.2%

User reviews

GPS Speedometer

From 4.2K App Store ratings

What we love

  • 🚀 GPS functionality
  • 👍 Useful for pranking friends
  • 👍 Realistic map integration

Room to improve

  • 🐛 Doesn't actually change GPS location
  • 💰 Requires paid subscription
  • 🔒 Privacy concerns with location spoofing

World Time Clock Master

From 839 App Store ratings

What we love

  • 🚀 Delightful scheduling assistance
  • 👍 Feature improvement
  • 👍 The best Timezone helper
  • 👍 One of the best clocks around
  • 👍 The Widget is so damn cool!

Room to improve

  • 🐛 Problemas al actualizar
  • 🐛 Sticky signup interface
  • 🐛 Demo not enough
  • 🔒 NOT A FREE APP
  • 💰 Terrible monetisation model compared to previous app

Bugs and requests

GPS Speedometer

Reported bugs

2 issues
  • App crashes after update
  • Subscription paywall blocks free usage

Requested features

2 requests
  • Allow location pinpointing instead of just address search
  • Integrate with other apps for seamless GPS spoofing

World Time Clock Master

Reported bugs

4 issues
  • Lose all the registered locations after updating the app
  • Sticky signup interface
  • Widget doesn't work
  • GMT and London currently have a 1 hour time difference between the two locations, but the app shows them the same time

Requested features

4 requests
  • Add the time difference in hours between the default location and other locations in both the widget and the app
  • See my calendar events on the dial
  • Make a paid tier that doesn't collect my data
  • Add new event to a Calendar

In-app purchases

11 purchases

GPS Speedometer

Subscriptions9
  • GPS App Premium Weekly$1.997 Days
  • Weekly Premium$3.997 Days
  • Unlimited use Monthly$4.991 Month
Show 6 more
  • GPS Speedometer Weekly$4.997 Days
  • GPS App Premium Monthly$5.991 Month
  • Unlimited Speedometer Monthly3 Days trial$9.991 Month
  • GPS Speedometer Monthly3 Days trial$12.991 Month
  • Unlimited use for Six Months$23.996 Months
  • GPS Speedometer Yearly Premium3 Days trial$29.991 Year
One-time2
  • GPS Speedometer Lifetime$24.99
  • GPS Speedometer Lifetime Forever$29.99
10 purchases

World Time Clock Master

Subscriptions6
  • 1 month3 variants$2.991 Month
  • 3 months$3.993 Months
  • 1 year1 Year trial2 variants$11.991 Year
Show 3 more
  • 1 year3 Days trial$11.991 Year
  • 1 year$11.991 Year
  • 1 year3 Days trial$19.991 Year
One-time4
  • Lifetime$29.99
  • Lifetime$49.99
  • Lifetime$79.99
Show 1 more
  • Lifetime$99.99

Questions

Is GPS Speedometer free?
GPS Speedometer is free to download, with in-app purchases available.
Is World Time Clock Master free?
World Time Clock Master is free to download, with in-app purchases available.
Which has better reviews, GPS Speedometer or World Time Clock Master?
World Time Clock Master is rated higher. GPS Speedometer averages 4.0 out of 5 from 4.2K ratings, while World Time Clock Master averages 4.6 from 839 ratings.
Do GPS Speedometer or World Time Clock Master have ads?
GPS Speedometer shows ads; World Time Clock Master does not.
Which is updated more often, GPS Speedometer or World Time Clock Master?
GPS Speedometer ships an update every 2 months, and World Time Clock Master fortnightly. Most recently, GPS Speedometer was updated on October 28, 2026 and World Time Clock Master on October 27, 2026.

Other comparisons