SiamGPT vs iBuzzPen
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SiamGPT
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Bring your ideas, questions, and learning goals to SiamGPT, the AI assistant from SIAM.AI CLOUD. Get help with everyday tasks, explore your documents, create visuals, and practice English in one app. CHAT, WRITE, AND EXPLORE Ask questions, brainstorm ideas, draft content, translate text, and make complex topics easier to understand. Choose from available AI models and return to saved conversations whenever you need them. MAKE MORE OF YOUR DOCUMENTS Upload documents, including PDFs, and ask questions about their content. Get summaries, explore key points, and find information through conversation. SPEAK AND LISTEN Use your voice to enter messages and listen to AI responses read aloud. Keep the conversation going with voice features that fit the way you work and learn. CREATE WITH AI Generate images from your ideas. Explore SiamAvatar to create avatars from photos, bring images to life with Avatar Motion, or try new looks and backgrounds in Photo Booth. Save and share your creations. PRACTICE ENGLISH WITH WORDOODLE Meet Doodle, your friendly puppy tutor. Build vocabulary with quizzes and flash cards, explore grammar lessons, and arrange words to form sentences. Learn with Thai translations, ask Doodle for explanations, review words you missed, and track your progress by activity. DISCOVER MEOW ORACLE Take a playful break with Meow Oracle, a cat-themed oracle card experience. Pick a card and enjoy a moment of fun and reflection. LEARN THROUGH HERB GAME Test your knowledge of Thai herbs through interactive quizzes. Identify herbs from clues, explore herb and medicine interactions, and ask the AI assistant for explanations. MADE FOR EVERYDAY USE Move between chat, creativity, and learning in an interface with Thai and English language options. Whether you are preparing a draft, exploring a topic, or reviewing vocabulary, SiamGPT gives you a place to get started. Feature availability may vary depending on your account and enabled services.
iBuzzPen
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iBuzzPen iBuzzPen is a smart AI device powered by cutting-edge emotional computing technology. It reads your physical and mental state through natural writing, offering real-time feedback on your emotions, energy levels, stress, and fatigue – so you can quietly tune into your inner changes while working or studying. Four Core Features That Redefine Writing • Capture – Seamlessly syncs your handwritten notes to digital format in real time, with offline storage – never lose a single word. • Listen – Record audio as you write. Capture every key detail without missing a beat. • Organize – Turn handwriting, audio, and images into meeting minutes, to-do lists, or study notes with one tap. Say goodbye to manual sorting. • Insight – Our patented emotional computing model analyzes writing pressure and rhythm to generate personalized well-being reports, helping you better understand your inner world. Reusable Paper, Offline Storage Built In Comes with a dedicated rewriteable notebook – simply heat the page to erase marks and reuse it. It’s eco‑friendly and cost‑effective. While offline, all your notes are saved to the pen’s internal memory and automatically sync once connected to the app. No data worries. Unobtrusive, Proactive Intelligence Designed around “passive sensing and gentle companionship.” iBuzzPen never interrupts your flow. It helps you boost both productivity and well‑being – just write, and let iBuzzPen handle the rest. Multi‑Language Support – Ready for the World Supports Chinese, Japanese, English, French, Spanish, Vietnamese, and more. Whether you’re at work, studying, or traveling, it accurately recognizes and organizes your notes. Download the iBuzzPen App and start your warm, intelligent writing journey. Note: The emotional analysis results provided by this app are based on algorithmic models and are for personal reference only. They are not a substitute for professional psychological counseling or medical diagnosis.
Screenshots
Verdict
SiamGPT and iBuzzPen are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 28, 2026 and October 8, 2026 respectively.
| Parameter | SiamGPT | iBuzzPen |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 15 |
| Further details — not scored | ||
| Size | 110 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | SIAM AI CORPORATION COMPANY LIMITED | 香港不止書寫科技有限公司 |
In-app purchases
SiamGPT
No in-app purchases
iBuzzPen
No in-app purchases









