Comparison

Mind Prompt vs Arky

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

Head to head
About

Mind Prompt

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Transform ideas into high-quality AI prompts in seconds. Mind Prompt is designed for creators, developers, writers, designers, marketers, and anyone using AI every day. Simply speak or type your idea, and Mind Prompt converts it into a clear, structured prompt ready for your favorite AI assistant. Unlike many AI utilities, Mind Prompt focuses on privacy and local processing. Download supported AI models directly to your device and work even without a permanent internet connection. Features: • Convert speech into structured AI prompts • Improve prompt quality automatically • Support for downloadable local AI models • Local voice transcription • Prompt history • Multiple prompt categories • Fast prompt editing • One-tap copy • Multiple languages • Privacy-first design • Modern, clean interface Perfect for: • ChatGPT • Claude • Gemini • Grok • Local LLMs • AI image generators • Coding assistants • Writing assistants Whether you're building software, creating content, generating images, or brainstorming ideas, Mind Prompt helps you produce better prompts faster.

About

Arky

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Where ideas take shape. Arky is a visual workspace for mapping and structuring your thinking. It helps you organize notes and source material in connected Docs and Canvases, understand your project’s structure, and ask AI questions grounded in your project context. Arky for iPhone is designed for exploring and reviewing your existing workspace on the go. With Arky for iPhone, you can: • Browse your projects and recent work • Move between a spatial Canvas and focused Doc view • See connections and understand your project’s structure at a glance • Ask questions with AI that understands your project context • Review notes and source material wherever you are In this iOS 1.0 release, project content in Docs and Canvas is read-only. Creating or editing project content is available in the Arky web app. An Arky account is required. Some features may depend on your workspace plan.

Screenshots

Mind Prompt4 screens
Arky4 screens

Verdict

The call

The clearest difference is in-app purchases: Arky at none against Mind Prompt's 1. Arky also leads on ads (none vs shown) and iOS requirement (16.4 vs 18.5). Mind Prompt's advantage is device support (3 vs 1). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Mind Prompt sells 1 one-off in-app purchase. Arky asks for nothing beyond the download.

Scorecard4 real differences · 2 level
Mind Prompt versus Arky: the parameters behind the verdict, then further details
ParameterMind PromptArky
PriceFreeFree
Update frequencyWeekly—
AdsYesNo — better
In-app purchasesYesNo — better
DevicesiPhone, iPad, Mac — betteriPhone
Requires iOS18.516.4 — better
Further details — not scored
Size26 MB40 MB
Age rating4+4+
DeveloperNataliia KovryzhenkoArky

In-app purchases

1 purchases

Mind Prompt

One-time1
  • Disable Ads$1.99
None

Arky

No in-app purchases

Questions

Is Mind Prompt free?
Mind Prompt is free to download, with in-app purchases available.
Is Arky free?
Arky is free to download, with no in-app purchases.
Do Mind Prompt or Arky have ads?
Mind Prompt shows ads; Arky does not.

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