Comparison

Thinklet vs GraChat

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Thinklet

Features
Read full description

Thinklet is a powerful, privacy-friendly AI chat client for iOS. Connect it to any OpenAI-compatible API -- including OpenAI, Anthropic, Mistral, Groq, Ollama, and self-hosted models -- and start chatting in seconds. CONNECT ANY AI MODEL Add your own API key and Base URL. Thinklet works with any service that follows the OpenAI Chat Completions standard. Manage multiple platforms side by side, browse the full model list, and star your favorites for quick access. NATURAL VOICE CONVERSATION Press and hold the mic button to speak. Thinklet transcribes your words in real time and sends them the moment you lift your finger. Enable the speaker to have AI responses read aloud -- perfect for hands-free use. ATTACH IMAGES & FILES Pick a photo from your library or attach a text or PDF file directly to your message. Vision-capable models can analyze images; text files are embedded as context so the AI understands your documents. SMART SYSTEM PROMPTS Choose from built-in prompt templates -- General Assistant, Blog Writer, Code Expert, Translator, Academic Editor, Creative Writer -- or craft and save your own. Each conversation can have its own persona. PER-CONVERSATION PARAMETERS Fine-tune Temperature, Max Tokens, Top-P, and streaming mode for every chat independently. Add custom key-value parameters for advanced API features without touching a single line of code. MCP TOOL INTEGRATION Connect external tools and data sources via the Model Context Protocol (MCP). Enable web search, code execution, database queries, or any MCP-compatible service -- and assign different tools to different conversations. CLEAN, FOCUSED DESIGN A sidebar keeps all your conversations organized. Swipe right or tap the menu icon to open it. The minimal input bar stays out of your way until you need it. Dark mode and Dynamic Type are fully supported. YOUR DATA, YOUR CONTROL Thinklet stores everything -- conversations, settings, API keys -- locally on your device using iOS secure storage. No account, no cloud sync, no telemetry. Whether you are a developer experimenting with the latest models, a writer looking for a creative partner, or a professional who needs a capable AI assistant on the go, Thinklet gives you the flexibility and power you need, beautifully packaged for iPhone. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

GraChat

Features
Read full description

GraChat is a creative AI chat assistant designed to help you explore ideas, improve your writing, find useful answers, and complete everyday tasks more efficiently. Whether you need help with writing, rewriting, translation, brainstorming, studying, work, social media captions, emails, stories, or daily questions, GraChat provides a smooth and helpful AI conversation experience. With GraChat, you can turn simple thoughts into clear content, discover new perspectives, solve problems, and communicate with AI through an easy-to-use chat interface. Key Features • Chat with AI anytime • Ask questions and receive helpful answers • Write, rewrite, and polish text • Translate, summarize, and explain content • Generate ideas for work, study, and creative projects • Create emails, captions, messages, stories, and more • Explore topics through natural AI conversations • Enjoy a clean and simple chat experience Premium Membership Upgrade to GraChat Premium to unlock full access to premium AI features and enjoy a more powerful chat experience. We offer three membership options: • Weekly Membership Access premium AI features with a weekly subscription. • Yearly Membership Enjoy premium access for one year with better long-term value. • Lifetime Membership Unlock lifetime premium access with a one-time purchase. Subscription Information Payment will be charged to your Apple ID account after purchase confirmation. Weekly and yearly subscriptions automatically renew unless auto-renewal is turned off at least 24 hours before the end of the current subscription period. Your account will be charged for renewal within 24 hours before the end of the current period. You can manage or cancel your subscription at any time through your Apple ID subscription settings. The lifetime membership is a one-time purchase and does not automatically renew. Privacy Policy: https://docs.google.com/document/d/1VYo406aw5dcGCyagDWl7hQ_nkuw-bvn9Bh8qrYTJEtQ/edit?usp=sharing Terms of Use: https://docs.google.com/document/d/1qm48GJ8i1cHkNCG857vRNxuau-f0vdibxfH2X2LETsg/edit?usp=sharing

Screenshots

Thinklet4 screens
GraChat4 screens

Verdict

The call

The clearest difference is update cadence: GraChat at every 3 days against Thinklet's every 2 months. GraChat also leads on iOS requirement (15.0 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Thinklet sells 4 in-app purchases, starting at $4.99 per month and GraChat sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Thinklet ships an update every 2 months, GraChat every 3 days. Both last shipped on October 31, 2026.

Scorecard2 real differences Ā· 4 level
Thinklet versus GraChat: the parameters behind the verdict, then further details
ParameterThinkletGraChat
PriceFreeFree
Update frequencyEvery 2 monthsEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPod
Requires iOS26.215.0 — better
Further details — not scored
Size8 MB5 MB
Age rating4+12+
Developerę“‹ å¼ Mola Tech Co., Ltd.

In-app purchases

4 purchases

Thinklet

Subscriptions4
  • Starter$4.991 Month
  • Basic$9.991 Month
  • Pro$19.991 Month
Show 1 more
  • Max$49.991 Month
3 purchases

GraChat

Subscriptions2
  • week vip$3.997 Days
  • year vip$14.991 Year
One-time1
  • lifetime vip$19.99

Questions

Is Thinklet free?
Thinklet is free to download, with in-app purchases available.
Is GraChat free?
GraChat is free to download, with in-app purchases available.
Do Thinklet or GraChat have ads?
Neither Thinklet nor GraChat shows ads.
Which is updated more often, Thinklet or GraChat?
Thinklet ships an update every 2 months, and GraChat every 3 days. Most recently, Thinklet was updated on October 31, 2026 and GraChat on October 31, 2026.

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