YSS ELC vs Cat Probability Roulette
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
YSS ELC
Prepare for the speaking sections of TOEFL Junior and TOEFL Primary tests. Practice conversational skills and answering open-ended questions to build confidence for exam success.
- TOEFL Junior speaking practice
- TOEFL Primary speaking practice
- Conversation practice
- Open-ended question answering
- Exam preparation
Read full descriptionHide full description
TOEFL English Learning Center Application to help students prepare for the speaking parts of the TOEFL Junior and TOEFL Primary tests. Practice taking part in a conversation and answering open-ended questions like on the TOEFL Junior and TOEFL Primary tests.
Cat Probability Roulette
Read full descriptionHide full description
### Neko Neko Probability Roulette A simple, thrilling color-guessing game that's a cut above ordinary roulette! If your chosen color lands perfectly, points equal to the number on the board will skyrocket! Miss and your points halve... but land the same color consecutively for bonus points pouring in! Battle it out in 10 intense matches! Simple rules make it perfect for learning about probability and statistics. Put your luck and brainpower to the test! **About Ads** Ads appear briefly only after the 1st match and every 5th match thereafter. For just 100 yen, you can completely remove ads for uninterrupted play! Compete with friends for the best score and get hyped, or just keep smashing your own personal best. Enjoy testing your luck and training your brain in Neko Neko World! BGM Casino written by Capybara Kids Roulette By the way. Phalene Voice “VOICEVOX: Zundamon”
Screenshots
Verdict
The clearest difference is in-app purchases: YSS ELC at none against Cat Probability Roulette's 1. YSS ELC also leads on ads (none vs shown) and iOS requirement (8.0 vs 15.0). Cat Probability Roulette's advantage is update cadence (every 2 months vs every 5 months). On price 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
Both are free to download. Cat Probability Roulette sells 1 one-off in-app purchase. YSS ELC asks for nothing beyond the download.
YSS ELC ships an update every 5 months, Cat Probability Roulette every 2 months. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.
| Parameter | YSS ELC | Cat Probability Roulette |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 months | Every 2 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 10 MB | 147 MB |
| Age rating | 4+ | 4+ |
| Developer | Edusoft.ltd | Yusuke Okada |
In-app purchases
YSS ELC
No in-app purchases
Cat Probability Roulette
- [Remove Ads]$0.49
Questions
Is YSS ELC free?
Is Cat Probability Roulette free?
Do YSS ELC or Cat Probability Roulette have ads?
Which is updated more often, YSS ELC or Cat Probability Roulette?
Other comparisons















