kotoha vs Siritori
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
kotoha
This daily word game tests your Japanese language skills and helps you learn new words. It features different modes suitable for both beginners and advanced speakers, specifically designed around the Japanese syllabic writing system.
- Daily word guessing challenges
- Vocabulary expansion
- Modes for learners and fluent speakers
- Focus on Japanese syllabic writing system
- Free to play
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A daily word game that proves your knowledge of Japanese while expanding your vocabulary. Includes modes for learners and fluent speakers alike. Designed specifically for Japanese's syllabic writing system.
Siritori
Engage in a traditional Japanese word game where you must use the last letter of the previous word to start your own. Chat with virtual girls, teach them new words, and adjust difficulty levels. It's a fun way to practice Japanese vocabulary and grammar.
- Traditional Japanese word game mechanics
- Chat with virtual characters
- Teach characters new words
- Adjustable opponent strength
- Adjustable time limits
- Learn Japanese vocabulary
- Customizable backgrounds
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- "Siritori" is a traditional Japanese word game. - You must say a word starting with the last letter of the word your opponent said. - You lose if you say a word that ends with "n" or the same word as the previous one. - You can chat with a girl face-to-face. - There are 20 girls on the other side. - The other player uses the iOS settings to vocalize. - It is very useful for learning Japanese. - You can add more girls. - Each girl has her own area of expertise. - You can make the girls learn the words they don't know by answering them. - The strength of the opponent can be changed to 5 levels. - Time limit can be changed to 5 levels. - You can also switch to "Atamatori" to play. - Clock and time signal functions are also included. - 30 backgrounds to choose from.
Screenshots
Verdict
The clearest difference is rating: kotoha at 4.6 against Siritori's 1.0. kotoha also leads on in-app purchases (none vs 1) and ads (none vs shown). Siritori's advantage is iOS requirement (14.0 vs 17.0). On price, update cadence 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. Siritori sells 1 one-off in-app purchase. kotoha asks for nothing beyond the download.
kotoha holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: kotoha has 16 ratings behind it against 1, so its average is the more settled of the two.
kotoha ships an update every 3 weeks, Siritori fortnightly. The most recent releases landed on September 3, 2026 and September 6, 2026 respectively.
| Parameter | kotoha | Siritori |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (16 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 16 — better | 1 |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | kyle coburn | Mihoko Araki |
Customer experience
kotoha
Siritori
In-app purchases
kotoha
No in-app purchases
Siritori
- No Ads$2.99
