Explore a dictionary of Japanese onomatopoeia, featuring common words used in daily life with English translations. Currently includes around 270 words, with more planned for future updates.
Onomatopoeia Slam by TransWarp Technologies, LLC




158+ iOS apps & games curated and reviewed
Onomatopoeia Slam is the household name in onomatopia, but it's far from the only option. We track 158+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | — | — | No | May 2026 | |
| 2 | Free | 5.0★ (3) | Yes | Yes | Aug 2026 | |
| 3 | Free | — | Yes | No | May 2026 | |
| 4 | Free | 5.0★ (1) | No | No | May 2026 | |
| 5 | $5.99 | — | No | No | Jul 2026 | |
| 6 | Free | — | No | Yes | Jul 2026 | |
| 7 | Free | — | No | No | May 2026 | |
| 8 | Free | 5.0★ (1) | No | Yes | May 2026 |









Explore a dictionary of Japanese onomatopoeia, featuring common words used in daily life with English translations. Currently includes around 270 words, with more planned for future updates.






Interact with your device's camera using simple touch gestures. Explore a unique visual experience that responds to your fingers.








This app makes learning onomatopoeia fun for children. Explore various sound words and their meanings through interactive play. A free version is available, with an option to purchase a full package for more content.


Explore how different languages represent animal sounds, from "meow" to "miau" and "ニャー". Discover onomatopoeia by country and language, making it fun for kids, parents, teachers, and learners.


Explore animal sounds across 11 languages with built-in audio recordings. Features charming hand-drawn illustrations of animals in traditional hats. Designed with privacy in mind, it's a safe and educational experience for young learners.


An interactive storybook that teaches children about animals through matching games, sounds, and voices. It offers two reading modes and a fun zoo experience, all without ads or in-app purchases.


This educational game helps babies and young children learn to recognize animals and objects through colorful images and sounds. It encourages visual and auditory learning, promoting the development of listening and speech skills with a variety of engaging sounds.




Escape the everyday with a diverse collection of high-quality ambient sounds. Find calm, focus, or relaxation by immersing yourself in various environments, from bustling train stations to serene coastlines. Perfect for stress management, sleep, or blocking out distracting noises.


Explore Japanese vocabulary through engaging flashcards and interactive modes. Discover everyday objects, animals, culture, and more with visuals, audio, and trivia. Ideal for young learners and beginners of all ages.




Transform spoken words, songs, or vows into a visual soundwave art piece. Scan the artwork with your phone to play back the original audio. This app is exclusively for customers who have purchased a soundwave print.




This free entertainment app provides a collection of sounds grouped by category. Easily find and play sounds, add favorites for quick access, and use them for fun, learning, or to lift your mood.


Add laughter and fun to your day with a variety of hilarious sound effects. This app provides an intuitive soundboard to easily select and play prank sounds like air horns, fart noises, and horror effects to entertain friends.