Home / 比較
Pi vs Isekai Zero
Pi edges Isekai Zero on our editorial score (4.0 vs 3.9), but Pi is the stronger pick if you want live voice calls, while Isekai Zero fits better if image sharing or video or custom characters matter more.
0| Pi0 | Isekai Zero0 | |
|---|---|---|
| 編集スコア | 4.0 / 5 | 3.9 / 5 |
| 価格 | Free | Free |
| 価格帯 | Free | Free |
| 無料プラン | あり | あり |
| 価格の詳細 | Free, with no usage limit and no paid tier — no card required. | No monthly subscription. Free Mana refreshes daily; Arcane credits bought à la carte (100 ≈ $1) for chat, images, music and video. Optional 18+ setting. |
| アダルトコンテンツ | No adult mode | Optional mature mode |
| 音声 | ライブ通話 | なし |
| 画像 | なし | あり |
| 動画 | なし | あり |
| 記憶 | あり | あり |
| カスタムキャラクター | なし | あり |
| コンパニオンの種類 | Any character | Any character |
| プラットフォーム | Web, iOS, Android | Web, iOS, Android |
| ローカル動作 | なし | なし |
Pi — 私たちの見解
Completely free, genuinely warm, and no upsell wall. Not a roleplay product, but an excellent listener.
- Entirely free with unlimited voice
- Consistently rated the most empathetic free model
- No ads
Isekai Zero — 私たちの見解
A story-driven isekai RPG where you spend credits on chat, image, music and video generation — no flat subscription, free Mana refreshes daily.
- Pay only for what you generate
- Image, music and video generation
- Long-term memory and an 18+ mode
Pi vs Isekai Zero — よくある質問
Which is cheaper, Pi or Isekai Zero?
They cost the same on our recorded numbers (Free).
Which one has a free tier?
Both do — you can try either without paying.
Which remembers conversations better?
Both keep context across sessions. The practical difference is elsewhere: voice support differs between them.
Which handles adult content differently?
Pi: No adult mode. Isekai Zero: Optional mature mode. This directory is SFW — we record whether a mature mode exists so you know before signing up, and we describe no explicit material.