Cotomo(コトモ:音声会話型おしゃべりAI) vs やるきON
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 step into interactive stories where your choices matter. Build evolving relationships through shared memories and explore various conversation modes, including roleplay and casual chat.
- AI-powered interactive stories
- Unique AI personalities
- Evolving relationships with shared memories
- Romance and roleplay modes
- Immersive voice audio
- Create custom AI characters
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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!
やるきON
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「やるきON」は、モチベーションが上がらないときに、やる気を引き出すアクションカードをガチャ形式で提案するアプリです。 【アクションカードガチャ】 ボタンを押すだけで、今すぐできるやる気アップアクションをランダムに提案。「散歩する」「深呼吸する」「小さな目標を1つ決める」など、具体的な行動がカードに書かれています。 【カテゴリ別】 体を動かす系、マインド系、環境を変える系、ごほうび系など、カテゴリ別にアクションを分類。気分に合ったカテゴリから引くこともできます。 【お気に入りカード】 自分に効果があったアクションカードをお気に入りに保存。やる気が出ないときの「自分だけのスイッチ集」を作れます。 【やる気ログ】 ガチャを回した日時と実行したアクションを記録。自分のやる気パターンを振り返れます。 【カスタムカード】 自分だけのアクションカードを追加可能。自分に効くスイッチを登録して、パーソナルなやる気ツールに。 勉強や仕事を始められないとき、何もしたくないとき、気分転換が欲しいときに。小さな一歩を踏み出すきっかけをお届けします。
Screenshots
Verdict
The clearest difference is in-app purchases: やるきON at none against Cotomo(コトモ:音声会話型おしゃべりAI)'s 11. 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 2 weeks) and iOS requirement (15.0 vs 17.0). 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 11 one-off in-app purchases. やるきON 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, やるきON every 2 weeks. The most recent releases landed on October 27, 2026 and October 11, 2026 respectively.
| Parameter | Cotomo(コトモ:音声会話型おしゃべりAI) | やるきON |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (9 ratings) — better | — |
| Positive reviews | 40.9% of reviews | — |
| Number of ratings | 9 — better | — |
| Update frequency | Every 6 days — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 116 MB | 5 MB |
| Age rating | 9+ | 4+ |
| Developer | Starley Inc. | SANWA Inc. |
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 x2750$49.99
- Cotomo Coin x5000$49.99
- Cotomo Coin x10000$99.99
- Cotomo Coin x14700$249.99
- Cotomo Coin x25000$249.99
やるきON
No in-app purchases









