Cotomo（コトモ：音声会話型おしゃべりAI） vs ドーナる
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cotomo（コトモ：音声会話型おしゃべりAI）
Engage in dynamic AI conversations with unique personalities and interactive stories. Build evolving relationships through shared memories and customize your own AI characters. Experience immersive voice chats with live subtitles.
- AI-powered interactive stories
- Unique AI personalities
- Evolving relationships
- Immersive voice audio
- Customizable AI characters
- Live English subtitles
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Cotomo is an AI conversation experience where stories, relationships, and unforgettable characters come to life. Discover thousands of unique AI personalities, step into interactive stories you can talk to, and build relationships that evolve through shared memories over time. ■ Stories You Can Talk To Experience AI-powered interactive stories where your choices shape conversations, relationships, and outcomes. ■ Find Your Cotomo Meet characters with unique personalities, voices, emotions, and stories. From wholesome companions to chaotic troublemakers, every Cotomo feels different. ■ Relationships That Evolve Shared memories grow overtime, building relationships that are unique to you! ■ Multiple Conversation Experiences Experience immersive conversations with cinematic stage directions, or switch to everyday conversations. ■ Immersive Voice Audio Experience voiced AI conversations, including Japanese voice chats with live English subtitles. ■ Create Your Own Cotomo Design your own characters, customizing personalities, backstories, voices, and even quirks!
ドーナる
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写真を撮るだけで、あなたがかわいいドーナツキャラクターに変身！ 「ドーナる」は、人物の写真からAIが特徴を読み取り、あなただけのオリジナルドーナツキャラクターを作れるアプリです。 顔立ちや髪型、表情などの雰囲気を活かして、ふわふわ・カラフル・とびきりかわいいドーナツに変身。完成したキャラクターは、SNSアイコンや友だちとのシェアにも使えます。 【できること】 ・写真からAIドーナツキャラクターを生成 ・顔や髪型、表情の特徴を反映 ・かわいいドーナツデザインを楽しめる ・完成画像を保存してシェア 「自分がドーナツだったら？」を、写真1枚で楽しもう。 ※生成結果はAIによるイメージ表現です。 プライバシーポリシー： https://tama912.github.io/donaru-support/privacy.html 利用規約（EULA）： https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: ドーナる at none against Cotomo（コトモ：音声会話型おしゃべりAI）'s 10. ドーナる also leads on iOS requirement (13.0 vs 15.0). Cotomo（コトモ：音声会話型おしゃべりAI）'s advantage is update cadence (every 6 days vs every 4 weeks). On price, ads 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. Cotomo（コトモ：音声会話型おしゃべりAI） sells 10 one-off in-app purchases. ドーナる asks for nothing beyond the download.
Cotomo（コトモ：音声会話型おしゃべりAI） ships an update every 6 days, ドーナる every 4 weeks. The most recent releases landed on November 4, 2026 and October 16, 2026 respectively.
| Parameter | Cotomo（コトモ：音声会話型おしゃべりAI） | ドーナる |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (10 ratings) — better | — |
| Positive reviews | 40.9% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Every 6 days — better | Every 4 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 116 MB | 19 MB |
| Age rating | 9+ | 4+ |
| Developer | Starley Inc. | HIDEKI TAMAI |
In-app purchases
Cotomo（コトモ：音声会話型おしゃべりAI）
- Cotomo Coin x125$2.49
- Cotomo Coin x250$2.49
- Cotomo Coin x500$4.99
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- Cotomo Essentials Pack 9.99$9.99
- Cotomo Coin x525$9.99
- Cotomo Coin x1000$9.99
- Cotomo Coin x5000$49.99
- Cotomo Coin x10000$99.99
- Cotomo Coin x14700$249.99
- Cotomo Coin x25000$249.99
ドーナる
No in-app purchases
