All AI Models in One vs 日本語AIチャット
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
All AI Models in One
Access multiple AI models in a single chat interface on your iPhone. Ask questions, write, summarize, translate, and even search the web for current information with the Pro version. Easily switch between models within the same conversation.
- Access multiple AI models
- Switch models mid-conversation
- Web search for current events (Pro)
- Read answers aloud
- Automatic chat titling
- Photo analysis
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Fast AI puts AI models from several companies in one chat on your iPhone. Pick a model, ask anything, and switch whenever you like, in the same conversation. WHAT YOU CAN DO • Ask questions and get clear answers • Write, rewrite, summarize and translate • Study a topic or get unstuck on homework • Search the web automatically for current questions (Pro) • Have any answer read aloud • Chats get automatic titles, so they are easy to find later QUESTIONS Is Fast AI free? You can send a few messages every day for free. Pro (yearly, auto-renewing) unlocks every model, web search and a much higher limit. Prices are shown in the app before you buy. Can I switch models in the middle of a chat? Yes. Change the model at any time and keep the same conversation. Which models are included? Models from several companies, such as Gemini, Claude, Grok, DeepSeek and Perplexity Sonar. We update the list as new models come out. Does it know about current events? With Pro, Fast AI searches the web by itself when your question needs fresh information. Does it read photos or make images? It reads photos: attach one and ask about it. It doesn't make images or videos, or read files. Fast AI is made by Saga Labs, an independent studio. It is not affiliated with the companies whose models it uses; their names belong to their owners. Payment is charged to your Apple ID at confirmation of purchase. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel it in Settings > your name > Subscriptions. Terms of Use: https://aisagalab.com/terms.html Privacy Policy: https://aisagalab.com/privacy.html Apple Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
日本語AIチャット
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今、世界中で話題のChatGPT-3.5とスマホで簡単にチャットをすることができます。無料で使い始めることができて、利用制限のない有料版もたった月額350円で利用可能です。 API経由での利用のため、通常のChatGPT無料版で懸念として挙げられる、投稿内容が学習データに利用される心配もありません。また、セキュリティを重要視して、サーバー等への応答内容の保存は一切しておりません。ですので、安心してご利用いただけます。 ■■■ 有料版について ■■■ 無料版では初日10往復、その後1日1往復のAIとのやりとりができます。まずは無料版で使っていただき、気に入れば有料版をご検討ください。 ●有料版: 月間払い 350円 / 月 有料版に加入すると、無制限でAIとの会話をお楽しみいただけます。 ●機種変更時の復元 機種変更時には、以前購入した有料版を無料で復元できます。(『設定』ページから)購入時と同じAppleIDでiPhone・iPad端末のiTunesにログインしていてください。 ●確認と解約 AppStoreアプリの最下部にある「おすすめ」を選択—> Apple IDを選択—>「Apple IDを表示」を選択—> 購読の中にある「管理」から『MobileGPT』を選択。この画面から次回の自動更新タイミングの確認や、自動更新の解除/設定ができます。 ●自動継続課金について 期間終了日の24時間以上前に自動更新の解除をされない場合、契約期間が自動更新されます。自動更新の課金は、契約期間の終了後24時間以内に行われます。 ●注意点 ・アプリ内で課金された方は上記以外の方法での解約できません ・当月分のキャンセルについては受け付けておりません。 ・iTunesアカウントを経由して課金されます。 ●利用規約 https://b12r.net/terms ●プライバシーポリシー https://b12r.net/privacy
Screenshots
Verdict
The clearest difference is iOS requirement: 日本語AIチャット at 16.2 against All AI Models in One's 18.6. On price, ads, in-app purchases 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. All AI Models in One sells 6 in-app purchases, starting at $7.99 per 7 days and 日本語AIチャット sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | All AI Models in One | 日本語AIチャット |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 85.7% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 5 days | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.6 | 16.2 — better |
| Further details — not scored | ||
| Size | 35 MB | 22 MB |
| Age rating | 9+ | 4+ |
| Developer | Saga Ltd. | Chisa Kubo |
In-app purchases
All AI Models in One
- Weekly3 Days trial$7.997 Days
- Monthly$9.991 Month
- Discounted_Yearly_B3 Days trial$39.991 Year
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- Discounted_Yearly3 Days trial$49.991 Year
- Discounted_Yearly_C3 Days trial$59.991 Year
- Yearly3 Days trial$69.991 Year
日本語AIチャット
- 月額プレミアム機能$1.991 Month









