Onomato vs RNDex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Onomato
This app facilitates language learning through memorization and live practice with native speakers. It leverages smartphone accessibility for anytime, anywhere study, aiming to build genuine conversation skills through practical application.
- Anytime, anywhere smartphone learning
- Memorization system for vocabulary
- Live practice exercises with native speakers
- Focus on practical conversation ability
- Builds confidence through real usage
Read full descriptionHide full description
* Objective (1) In language learning, repeated memorization is necessary. In order to efficiently learn with memorization, we have implemented a system so that you can learn anytime and anywhere with your smartphone. (2) In language learning, it is not only memorizing, but it is important to actually try and use what you have learned. With this system, using expressions that you have memorized, and in conjunction with live practice exercises with native Japanese speakers, we aim for genuine conversation ability. Through practice conversations and not written tests, you can gain practical conversation ability. * Features (1) Utilizing smartphones, you can learn on your own anytime and anywhere. While commuting to school or work, or when you have a break, you can utilize a bit of free time to efficiently learn a language. (2) Using the vocabulary and expressions that you have learned on your own, you can have actual live conversations with native Japanese speakers through practice exercises. By actually trying to use the expressions that you have learned, it will give you the confidence in your conversation ability as you realize "I was understood!" or "I was able to speak!" In this way what you have learned can become fixed. * Message to students (1) Using smartphones, you can efficiently memorize and learn. Using the words you have memorized, it will be very fun to have a live conversation with Japanese people. (2) For people who think that there is not enough practice at language school, or who want to master Japanese more quickly, or who want to learn useful Japanese that is actually spoken, you should definitely give this a try.
RNDex
This app provides a comprehensive database for all Pokémon generations, from the original Red and Blue to the latest Scarlet and Violet. It offers detailed information on Pokémon, including their abilities, evolutions, moves, locations, and items. Users can also mark their favorite Pokémon for quick access.
- All Pokémon generations covered
- Detailed Pokémon stats
- Evolution information
- Move lists
- Item database
- Location data
- Favorite Pokémon list
Read full descriptionHide full description
An open-source Dex application that covers all generations from Red, Blue, Yellow up to Modern Scarlet and Violet! Features: - All Generations - Detailed view -- Abilities, Base XP, and more! - Evolutions - Moves - Locations - Items - Abilities - Favorites *Disclaimer: RNDex is an unofficial app and is NOT affiliated, endorsed or supported by Nintendo, GAME FREAK or The Pokémon company in any way. Some images used in this app are copyrighted and are supported under fair use. Some images used in RNDex are copyrighted and belong to Nintendo, GAME FREAK or The Pokémon Company. They are used in this app in accordance with the laws of Fair Use, for the United States of America. Pokémon and Pokémon character names are trademarks of Nintendo. No copyright infringement intended. Pokémon © 2002-2024 Pokémon. © 1995-2024 Nintendo/Creatures Inc./GAME FREAK inc.
Screenshots
Verdict
The clearest difference is review sentiment: RNDex at 100% against Onomato's 0%. RNDex also leads on rating (5.0 vs 1.0) and ratings volume (5 vs 1). Onomato's advantage is iOS requirement (12.0 vs 15.1). On price, in-app purchases and monetization model 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
RNDex holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: RNDex has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Onomato's written reviews are positive against 100% of RNDex's.
| Parameter | Onomato | RNDex |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 5 — better |
| Update frequency | — | Every 21 months |
| Ads | — | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | — | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 55 MB | 84 MB |
| Age rating | 12+ | 4+ |
| Developer | Akademia Limited Company | Parker Oxford |
Customer experience
Onomato
RNDex
In-app purchases
Onomato
No in-app purchases
RNDex
No in-app purchases





