⚡ 簡単な評価:
- 価格: Siter starts free, then $7/month. B12 starts at $42/month.
- 最適な用途: Siter suits web designers who want full creative control. B12 suits service based businesses.
- 主な違い： Siter is a no code website builder with a Figma plugin. B12 uses artificial intelligence to draft sites.
- 私たちのおすすめ： Siter for most users. It gives you a free plan and a familiar workflow.
Both Siter and B12 promise to help you build professional websites without touching HTML.
しかし、彼らはそこに至るまでに全く異なる道を辿る。
Siter is a visual, freehand website builder made for web designers.
B12 is an AI powered website builder made for professional service providers.
One hands you full control. The other does the first draft for you.
このガイドでは、両方のツールを詳しく解説しているので、自分に合ったツールを選ぶことができます。
概要
This Siter vs B12 comparison covers pricing, key features, templates, and ease of use.
また、それぞれのウェブサイト構築ツールがどのようなユーザーに最適なのかも詳しく解説します。
弊社のライター陣は、各プラットフォームを直接操作し、実際に時間をかけて検証しました。
それらのメモは、以下の「チームが気づいたこと」のセクションに記載されています。
Siter とは何ですか?
Siter io is a no code website builder for designers and teams.
It uses a drag and drop interface, so you never need coding knowledge.
Siter focuses on visual design with full creative control.
A Figma plugin lets you turn Figma designs into live websites.
The freehand editor adapts your site to different screen sizes.
Many UI and UX designer users pick it to readily create simple sites fast.
サイト
A visual, code website builder for web designers. Build responsive, beautiful websites with a familiar workflow and no coding skills.
Siterの価格
Here is what Siter costs in 2026. Let’s break it down.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 無料 | 無料 | 最大10ページのウェブページと3つのフォーム |
| ソロ | 月額7ドル | Only a person building basic websites |
| プラス | 月額12ドル | Freelance web designers |
| プロ | 月額24ドル | コラボレーションツールを必要とするチーム |
価格は2026年2月に確定しました。
無料トライアル: Yes. The free plan is available with no credit card and lets you create up to ten web pages.
返金保証: 有料プランは月払いまたは年払いとなります。年払いの方が月額料金が安くなります。
📌 注記： The free plan is enough to test Siter on a real project before you pay.
⚠️ 価格に関する注記： Some sources list Siter at $8, $14, and $28. Our pricing follows Siter’s current published rates of $7, $12, and $24. Confirm the live price at checkout.
Siterの主な利点
Here is what makes Siter worth considering:
- No Code Design: Build live websites by dragging elements. You work directly on the canvas with mouse clicks.
- Figmaプラグイン： Import Figma designs and turn them into a fully functional site. It is a real time saving tool.
- Pre Built Templates: Start from templates for portfolios, landing pages, and 仕事 ウェブサイト。
- レスポンシブデザイン: Your site appears clean on the smallest screen and the largest desktop computer.
- カスタムドメイン: Connect your own domain so your website looks professional.
- 無料プラン: A free plan lets you create web pages and forms with no coding skills.
私たちのチームが気づいたこと
私たちの 作家 signed up for Siter and spent a few days building a landing page. Here is what stood out from that hands-on time:
Siterの長所と短所
✅ メリット
- Free plan includes up to 10 web pages and 3 forms
- Figma plugin converts figma designs into live websites
- Intuitive interface with a familiar workflow for designers
- レイアウト、デザイン、アニメーションに関する完全なクリエイティブコントロール
❌ デメリット
- Fewer third-party app integrations than other builders
- Support varies and can be slow at times
- No built-in AI to write relevant content for you
B12とは何ですか？
B12 ai is an ai powered website builder for professional service providers.
Its AI generates a website draft tailored to your industry in 60 seconds.
B12 is tailored for 会計士, lawyers, consultants, and coaches.
It bundles online scheduling, invoicing, and email marketing in one place.
A team of design and copywriting experts helps launch your professional website.
This all in one platform aims to get your business online fast.
B12
An easiest ai website builder for service based businesses. B12 s ai drafts your site, then adds scheduling, invoicing, and contact forms.
B12の価格
Here is what B12 costs in 2026. These are the paid plans.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 基本 | 月額42ドル | 新しいサイト 中小企業 |
| プロ | 月額169ドル | サービス業の成長 |
| 高度な | 月額339ドル | Teams needing full ongoing support |
価格は2026年2月に確定しました。
無料トライアル: B12 offers a free entry-level tier. You can generate a new website draft with free AI before you pay.
返金保証: B12 states it offers a full refund within a short period on paid plans.
📌 注記： Each plan includes features like contact forms, online payments, and recurring invoices for client billing.
⚠️ 価格に関する注記： B12 lists a free draft tier plus paid plans. Paid pricing shown here starts at $42/month. Confirm current tiers at signup, since features per plan can change.
ビタミンB12の主な利点
ビタミンB12を検討する価値がある理由は以下のとおりです。
- AI Draft: B12’s AI builds a first website draft, so initial setup takes a short period.
- ビジネスツール: Online appointment scheduling, online payments, and contact management run on one all in one platform.
- AIアシスト: The AI Assist tool writes blog posts and email marketing copy right in the editor.
- 専門家チーム： Copywriting experts and designers help polish your website’s design.
- SEO And Analytics: Sites come SEO-ready with an SEO service and analytics for a professional online presence.
- サポート： Unlimited expert support runs through phone support, email, and chat.
私たちのチームが気づいたこと
Our writer signed up for B12 and generated a website building draft for a test business. Here is what stood out from that hands-on time:
ビタミンB12のメリットとデメリット
✅ メリット
- AI drafts a full business website in about 60 seconds
- Built-in scheduling, invoicing, and email marketing tools
- Expert design and copywriting help included
- Strong fit for professional service providers
❌ デメリット
- Paid plans start much higher than most ウェブサイトビルダー
- Less freehand creative control than a visual design tool
- AI templates can feel similar across business websites
機能比較
Ready to dive into a detailed comparison of Siter vs B12? We will explore nine key features to help you pick the right platform.
| 特徴 | サイト | B12 |
|---|---|---|
| 開始価格 | Free / $7/month | 月額42ドル |
| 無料プラン | ✅ | ✅ (draft) |
| No Code Editor | ✅ ドラッグ＆ドロップ | ✅ AI powered |
| Figmaプラグイン | ✅ | ❌ |
| AIコンテンツ | ❌ | ✅ |
| オンライン予約 | ❌ | ✅ |
| メールマーケティング | ❌ | ✅ |
| レスポンシブデザイン | ✅ | ✅ |
| 最適な用途 | Web designers | サービス業 |
1. No-Code Website Building
サイト: Siter offers a freehand design tool where you build by dragging elements. You get full control with no coding, working with simple mouse clicks on the canvas.
B12: B12’s ai website builder creates a first draft for you. You answer a few prompts, and the AI powered engine builds a professional website in a short period.
2. テンプレートとデザイン管理
サイト: Siter includes pre built templates for landing pages, portfolios, and business websites. The editor gives you creative control to make simply attractive designs.
B12: B12 uses customizable AI website prompts to shape your website’s design. You guide the AI, then refine relevant content in a user-friendly editor.
3. Figma Plugin vs AI Generation
サイト: The Figma plugin is a standout feature. It turns figma designs into live websites, so your familiar workflow carries straight into development work.
B12: B12 replaces design work with artificial intelligence. Its Website ジェネレータ GPT drafts a new website from your business needs in about 60 seconds.
4. Forms and Contact Management
サイト: Siter’s free plan supports up to three forms. You can collect leads and manage submissions without touching HTML or extra plugins.
B12: B12 adds full contact management and contact forms. This helps service based businesses engage clients and track leads in one place.
5. Media and Content
サイト: Siter supports embedding videos from ユーチューブ or as local mp4 files. This suits designers who want media-rich landing pages and プレゼンテーション サイト。
B12: B12 includes blogging tools, and its AI Assist writes blog posts for you. That keeps a business online with fresh, relevant content.
6. Layers and Editing Depth
サイト: A Layer Panel lets you manage every element in a multi layered product. Inline editing means you click any 文章 そして、入力を開始してください。
B12: B12’s AI Agent handles edits through simple requests. You describe a change, and the B12 team’s AI applies it across the site.
7. 統合
サイト: Siter connects with Figma, メールチンプ, and Google Analytics. Custom linking lets you easily access external tools, though it has fewer integrations than some other website builders.
B12: B12 supports third-party integrations and connects ソーシャルメディア accounts. It ties payments, scheduling, and marketing into one design suite.
8. SEO and Search Visibility
サイト: Siter provides essential on-page SEO settings and integrates with Google Analytics. Customizable maps and clean markup help each site appears search-ready.
B12: B12 sites come SEO-ready out of the box. An SEO service plus analytics track performance for a stronger professional online presence.
9. Marketing and Client Tools
サイト: Siter keeps its focus on design, not marketing オートメーション. For a designer who wants beautiful websites fast, that narrow focus is a great tool.
B12: B12 adds email marketing and automation to reach clients. It sends branded, recurring invoices, so professionals can serve clients online end to end.
10. 価格設定とコスト
料金プランを並べて比較してみましょう。
| プラン | サイト | B12 |
|---|---|---|
| 無料 | Free (10 pages, 3 forms) | Free draft |
| エントリ | 一人暮らし 月額7ドル | Basic $42/month |
| 中 | 月額12ドル追加 | Professional $169/month |
| トップ | プロプラン 月額24ドル | Advanced $339/month |
サイト: Siter is the budget pick. A free plan plus $7 paid tiers make it easy for solo designers to build professional websites cheaply.
B12: B12 costs more because you also get scheduling, invoicing, and expert support. For small businesses that need those tools, the higher price can save countless hours.
さまざまなシナリオ
| 必要な場合は | 選ぶ | なぜ |
|---|---|---|
| 予算が限られている | サイト | Free plan and $7 tiers |
| 完全なクリエイティブコントロール | サイト | Freehand design tool |
| Figmaワークフロー | サイト | Built-in figma plugin |
| Fast business site | B12 | AI draft in 60 seconds |
| クライアントのスケジュール管理 | B12 | オンライン予約機能が組み込まれています |
💰 あなたの予算
Siter wins on price with a free plan and cheap tiers. B12 asks more but bundles business tools.
🔌 あなたの技術スタック
Pick Siter if you live in Figma. Pick B12 if you want payments and email marketing in one tool.
🎓 あなたの経験レベル
Designers with a familiar workflow lean to Siter. Non-designers who want done-for-you sites lean to B12.
🆓 無料トライアルとデモ
Test both first. Siter’s free plan and B12’s free AI draft both let you try before you buy.
🛟 サポートオプション
Siter support varies by plan. B12 offers unlimited expert and phone support across every paid tier.
切り替えガイド
既にこれらのツールのいずれかをご利用ですか？切り替える場合、どのような変更が想定されますか？
🔄 Switching from Siter to B12?
✅ 得られるもの：
- オンライン予約とオンライン決済
- AI content plus design and copywriting experts
- Email marketing and contact management in one platform
❌ 失うもの：
- The Figma plugin and figma designs import
- Full creative control over every pixel
- The low free plan entry price
📋切り替え方法：
- Save your Siter content and images
- Generate a new site with B12’s free AI
- ページを再構築し、カスタムドメインを接続します。
🔄 Switching from B12 to Siter?
✅ 得られるもの：
- Full control and a freehand design tool
- The Figma plugin for a familiar workflow
- 無料プランと大幅に低い月額料金
❌ 失うもの：
- AI content and the expert launch team
- Built-in scheduling, invoicing, and payments
- Email marketing and contact management
📋切り替え方法：
- Export your B12 text and media
- Siterアカウントを作成し、テンプレートを選択してください。
- Rebuild by dragging elements onto the canvas
私たちのレビューで取り上げられなかったこと
This comparison focused on individual designers and small businesses. We did not test large team accounts or heavy development work. Our notes reflect the February 2026 versions, so new features may have shipped since. If you run a large agency, your priorities may differ from what we covered here.
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰価格 | サイト |
| 🎨 クリエイティブコントロール | サイト |
| 🤖 AI機能 | B12 |
| 🧰 ビジネスツール | B12 |
| 👶 使いやすさ | サイト |
| 🛟 サポート | B12 |
| 🏆総合優勝 | サイト |
🏆 WINNER: SITER
Siter wins 4 out of 6 categories.
最適な用途: Web designers, UI and UX designer teams, and anyone building simple sites on a budget.
Siter and B12 are two very different products. Siter is a visual, no code website builder for designers who want full control.
B12 is an AI powered platform for professional service providers who want a business online fast. It is a strong choice when you value scheduling and support over design freedom.
For most beginners and web designers, Siter is the better pick. It gives you a free plan, an intuitive interface, and a familiar workflow that saves time.
シターの比較
Here is how Siter stacks up against other no code builders:
シター対 フレーマ
シターが勝利した点： Simpler learning curve, cheaper free plan, closer Figma-style canvas
フレーマーが勝利した点： Deeper animations, larger template gallery, built-in CMS
シター対 ドリック
シターが勝利した点： Freehand design control, Figma plugin, smoother inline editing
ドリックの勝利条件： More hosting options, AI site generation, membership features
シターが勝利した点： Pixel-level layout control, video embedding, designer workflow
Typedreamが勝利した点： Faster setup for text pages, Notion-style editing, cheaper starter tier
ビタミンB12の含有量が比較で増加
Here is how B12 stacks up against other AI website builders:
B12対 耐久性
B12が勝つ点： Expert launch team, richer invoicing, deeper client management
耐久性に優れた製品は以下の点で優れています。 Lower monthly price, faster AI generation, simpler dashboard
B12が勝つ点： Scheduling and payments built in, copywriting help, service-business focus
10ウェブ 勝利したタイトル： WordPress hosting, page speed tools, more design flexibility
B12が勝つ点： All-in-one client tools, automated marketing, done-for-you setup
フレーマーが勝利した点： Design polish, animation control, developer-friendly components
よくある質問
Siter.ioは無料ですか？
Yes. Siter offers a free plan with no credit card. It lets you create up to ten web pages and use up to three forms.
Siter IOの価格はいくらですか？
Paid plans are Solo at $7/month, Plus at $12/month, and Pro at $24/month. A free plan is also available for basic websites.
B12 AIのウェブサイトは無料ですか？
B12 offers a free entry-level tier to generate a website draft. Paid plans start at $42/month and add scheduling, invoicing, and expert support.
初心者にとって最適なウェブサイト作成ツールはどれですか？
Siter suits designers who want control with no coding knowledge. B12 suits non-designers who want AI to build a professional website for them.
Siter.ioはどのように機能しますか？
You pick a template or blank canvas, then build with a drag and drop interface. Preview it, then publish live websites on your own domain.
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