Random Sound Recorder vs World Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Random Sound Recorder
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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.
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.
- 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
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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
Verdict
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
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.
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.
| Parameter | Random Sound Recorder | World Clock |
|---|---|---|
| Price | Free — better | $2.99 |
| Positive reviews | — | 0.0% of reviews |
| Update frequency | Every 9 months — better | Every 21 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 0 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Ralph Cos | 俊 姜 |
In-app purchases
Random Sound Recorder
No in-app purchases
World Clock
No in-app purchases
Questions
Is Random Sound Recorder free?
Is World Clock free?
Do Random Sound Recorder or World Clock have ads?
Which is updated more often, Random Sound Recorder or World Clock?
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