Comparison

CosmoVerse vs Onomaru

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

Head to head
About

CosmoVerse

Features
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Wonder. Discover. Learn. Cosmo Verse is an educational discovery app that helps children explore the fascinating worlds of nature, science, and space. Why do bees build hexagonal honeycombs? How do ants find their way? What’s inside an atom? Why does the Earth spin? How are stars formed? With Cosmo Verse, follow a new question every day. Explore Nature Discover the amazing systems of nature—from bees to ants, from mountains to oceans, and from water to plants. Learn how nature has inspired engineering, technology, and design. Discover Science Explore different fields of science—from the structure of atoms to the human body, and from relativity to robotics and algorithms—through explanations tailored for children. Get to know the works of scientists such as Al-Khwarizmi, Ibn al-Haytham, Al-Jazari, and Abdus Salam. Explore Space Pursue the questions you’ve always wondered about the Sun, the Moon, Earth, stars, the atmosphere, and the beginning of the universe. Discover the order of the sky and get to know the universe more closely. Knowledge and Reflection Combined While explaining scientific topics, Cosmo Verse also draws connections to verses in the Quran that highlight nature, the sky, living beings, and creation. Scientific knowledge and the context of the verses are addressed separately; children are encouraged both to learn and to reflect on the world around them. A New Discovery Every Day Choose a content package every day and complete your journey of discovery. The topics you complete appear on the Discovery Map, and as you learn, you build your own world of discovery. What’s in Cosmo Verse? Nature, Science, and Space discovery worlds Educational video content Interactive learning experiences Discoveries linked to verses Scientists and their discoveries Daily discovery suggestions Discovery Map and progress system Today’s discovery is waiting for you. Download CosmoVerse and discover where your curiosity takes you. PREMIUM SUBSCRIPTION DETAILS Get full access to the world of CosmoVerse! Discover the secrets of nature, the wonders of science, and the mysteries of space; take your curiosity a step further every day with educational content, interactive experiences, and inspiring discoveries. Subscription options and current prices are shown in the app. Subscriptions automatically renew at the end of the term. Automatic renewal will continue unless canceled at least 24 hours before the term ends. Subscription management and cancellation can be done in the “Subscriptions” section of your Apple ID settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Onomaru

Features
Read full description

Japanese onomatopoeia are everywhere in everyday conversation, manga, and anime, yet textbooks rarely teach them. Onomaru helps you learn the sound-symbolic words that make Japanese come alive. Learn giongo, giseigo, and gitaigo through clear explanations, illustrated example sentences, pronunciation audio, and listening practice. Compare similar sounds such as ころころ and ごろごろ, then hear how each one works in context. WHAT YOU GET • 144 Japanese onomatopoeia covering voices, sounds, textures, feelings, movement, and daily life • 432 illustrated example sentences that make each nuance easier to remember • Japanese pronunciation and example-sentence audio • English or Vietnamese translations with optional translated audio • Search, filters by word type and a personal list of remembered words • Passive listening practice for easy review • Works offline with no account required MADE FOR • Learners who want vocabulary beyond the textbook • Manga and anime fans who want to understand the onomatopoeia they read and hear • Anyone who wants their Japanese to sound more natural FREE TO START Start with 30 complete words for free. One Full Access purchase unlocks all 144 words, all 432 illustrated examples, and longer listening queues. There is no subscription and nothing to renew. Learn the words textbooks leave out, and start hearing the difference between similar Japanese sounds.

Screenshots

CosmoVerse4 screens
Onomaru4 screens

Verdict

The call

The clearest difference is update cadence: CosmoVerse at every 4 days against Onomaru's monthly. CosmoVerse also leads on iOS requirement (15.1 vs 17.0). On price, 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

Both are free to download. CosmoVerse sells 3 in-app purchases, starting at $9.99 per 7 days and Onomaru sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

CosmoVerse ships an update every 4 days, Onomaru monthly. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

Scorecard2 real differences · 4 level
CosmoVerse versus Onomaru: the parameters behind the verdict, then further details
ParameterCosmoVerseOnomaru
PriceFreeFree
Update frequencyEvery 4 days — betterMonthly
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size91 MB51 MB
Age rating4+4+
DeveloperBLACKBIRD TEKNOLOJI VE DANISMANLIK ANONIM SIRKETIHONG NHUNG BUI

In-app purchases

3 purchases

CosmoVerse

Subscriptions3
  • Weekly Subscription$9.997 Days
  • Aylık Abonelik$19.991 Month
  • Annual Subscription$129.991 Year
1 purchases

Onomaru

One-time1
  • Full app access$4.99

Questions

Is CosmoVerse free?
CosmoVerse is free to download, with in-app purchases available.
Is Onomaru free?
Onomaru is free to download, with in-app purchases available.
Do CosmoVerse or Onomaru have ads?
Neither CosmoVerse nor Onomaru shows ads.
Which is updated more often, CosmoVerse or Onomaru?
CosmoVerse ships an update every 4 days, and Onomaru monthly. Most recently, CosmoVerse was updated on October 25, 2026 and Onomaru on October 29, 2026.

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