Comparison

Random Sound Recorder vs World Clock

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

Head to head
About

Random Sound Recorder

Features
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‘Random Sound Recorder’ serves as a satellite application to ‘Acaan Trainer’, ‘Stack Trainer’, ‘Twice as Hard Trainer’, ‘Serial Sum Trainer’, and ‘Random Input’ which represent the single most unified set of technical learning tools for close-up magicians. These apps are available by this developer. ‘Random Sound Recorder’ allows to record sound files in caf-format (Apple Core Audio Format, caf) according to the four suits, the ace, the three court cards and values from 2 to 9. Also all numbers can be recorded to allow for the 52 positions in a deck. The created caf-files serve as sound files for the above mentioned apps. Once recorded, the sound files can be moved to their final destination in the other apps' documents folder.

About

World Clock

Visualize global time zones with a 3D Earth and Moon. This app displays local times for over 460 cities and offers a 3D/2D map view. It supports numerous system languages and provides detailed country and region information.

Highlights
  • 3D Earth and Moon visualization
  • Solar Clock feature
  • Over 460 cities' local time
  • 3D/2D Time Zone Map
  • Support for numerous system languages
  • Extensive country and region listing
Features
Read full description

SPIN THE WHEEL, SHOW THE TIME ! • 3D Earth & Moon • Solar Clock • Over 460+ Cities Local Time • 3D/2D Time Zone Map • System Languages: English Japanese Russian Chinese Arabic German French Spanish Korean Norwegian Hebrew Danish Portuguese Swedish Indonesian Turkish Dutch Uyghur Hungarian Polish Tibetan Czech Maltese Khmer Urdu Slovak Romanian Greek Slovene Lithuanian Latvian Hindi Kazakh Uzbek Malay Ukrainian • Countries and Regions Abkhazia, Afghanistan, Albania, Algeria, Andorra, Angola, Antigua & Barbuda, Argentina, Armenia, Australia, Austria, Azerbaijan, Bahamas, Bahrain, Bangladesh, Barbados, Belarus, Belgium, Belize, Benin, Bhutan, Bolivia, Bosnia & Herzegovina, Botswana, Brazil, Brunei, Bulgaria, Burkina Faso, Burundi, Cambodia, Cameroon, Canada, Cape Verde, Central Africa, Chad, Chile, China, Colombia, Comoros, East Congo, West Congo, Cook Islands, Costa Rica, Croatia, Cuba, Cyprus, Czech, Denmark, Djibouti, Dominican Republic, Dominica, East Timor, Ecuador, Egypt, El Salvador, Equatorial Guinea, Eritrea, Estonia, Ethiopia, Fiji, Finland, France, Gabon, Gambia, Georgia, Germany, Ghana, Greece, Grenada, Guatemala, Guinea-Bissau, Guinea, Guyana, Haiti, Honduras, Hungary, Iceland, India, Indonesia, Iran, Iraq, Ireland, Israel, Italy, Ivory Coast, Jamaica, Japan, Jordan, Kazakhstan, Kenya, Kiribati, North Korea, South Korea, Kosovo, Kuwait, Kyrgyzstan, Laos, Latvia, Lebanon, Lesotho, Liberia, Libya, Liechtenstein, Lithuania, Luxembourg, Macedonia, Madagascar, Malawi, Malaysia, Maldives, Mali, Malta, Marshall Islands, Mauritania, Mauritius, Mexico, Micronesia, Moldova, Monaco, Mongolia, Montenegro, Morocco, Mozambique, Myanmar, Nagorno-Karabakh, Namibia, Nauru, Nepal, Netherlands, New Zealand, Nicaragua, Nigeria, Niger, Niue, Norway, Oman, Pakistan, Palau, Palestine, Panama, Papua New Guinea, Paraguay, Peru, Philippines, Poland, Portugal, Qatar, Romania, Russia, Rwanda, Sahrawi, St. Kitts & Nevis, St. Lucia, St. Vincent & the Grenadines, Samoa, San Marino, Saudi Arabia, Senegal, Serbia, Seychelles, Sierra Leone, Singapore, Slovakia, Slovenia, Solomon Islands, Somalia, Somaliland, South Africa, South Ossetia, South Sudan, Spain, Sri Lanka, Sudan, Suriname, Swaziland, Sweden, Switzerland, Syria, São Tomé & Príncipe, Tajikistan, Tanzania, Thailand, Togo, Tonga, Transnistria, Trinidad & Tobago, Tunisia, Turkey, Turkmenistan, Tuvalu, Uganda, Ukraine, UAE, UK, US, Uruguay, Uzbekistan, Vanuatu, Vatican City, Venezuela, Vietnam, Yemen, Zambia, Zimbabwe

Screenshots

Random Sound Recorder4 screens
World Clock4 screens

Verdict

The call

The clearest difference is price: Random Sound Recorder at Free against World Clock's $2.99. Random Sound Recorder also leads on update cadence (every 9 months vs every 21 months) and iOS requirement (11.0 vs 15.6). On ads, 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

Random Sound Recorder is free to download; World Clock costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Random Sound Recorder ships an update every 9 months, World Clock every 21 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

Scorecard3 real differences · 5 level
Random Sound Recorder versus World Clock: the parameters behind the verdict, then further details
ParameterRandom Sound RecorderWorld Clock
PriceFree — better$2.99
Positive reviews—0.0% of reviews
Update frequencyEvery 9 months — betterEvery 21 months
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.6
Further details — not scored
Size0 MB11 MB
Age rating4+4+
DeveloperRalph Cos俊 姜

In-app purchases

None

Random Sound Recorder

No in-app purchases

None

World Clock

No in-app purchases

Questions

Is Random Sound Recorder free?
Random Sound Recorder is free to download, with no in-app purchases.
Is World Clock free?
World Clock costs $2.99, with no in-app purchases.
Do Random Sound Recorder or World Clock have ads?
Neither Random Sound Recorder nor World Clock shows ads.
Which is updated more often, Random Sound Recorder or World Clock?
Random Sound Recorder ships an update every 9 months, and World Clock every 21 months. Most recently, Random Sound Recorder was updated on November 1, 2026 and World Clock on November 2, 2026.

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