PromptSmith vs CoPaMemo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PromptSmith
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PromptSmith is an app that automatically generates “optimized prompts” to help you get more accurate and higher-quality responses from AI. Simply enter your question, and the app creates professional-grade instructions that anyone can use—no expertise required. In addition, nothing you type is ever sent outside the app. All processing is completed locally on your device, ensuring safe and secure use. ■ Key Features • No login required — start immediately No account creation, email registration, or setup needed. Just open the app and use it instantly. • Automatically generates optimized prompts from your input Your text is transformed into clear, structured instructions that AI can easily understand, improving response accuracy. • Professional-level prompts for beginners Even without prompt engineering knowledge, anyone can produce high-quality prompts that draw out precise AI responses. • Works with any AI service—not only ChatGPT Compatible with Claude, Gemini, Copilot, LINE AI chat, and most AI platforms. Simply copy and paste the generated prompt.
CoPaMemo
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CoPaMemo is a memo app optimized for copy and paste workflows. Quickly save and retrieve text you frequently copy and paste. KEY FEATURES Memo Management - Create, edit, and delete memos - Separate title and content - Favorite memos - Automatic usage statistics (usage count, last used date) Organization with Tags - Create multiple tags freely - Set colors for tags for visual management - Filter by tags - Apply multiple tags simultaneously Create from Clipboard - Quickly convert clipboard content to memos - Register multiple lines of text at once - Split each line into individual memos Custom Keyboard Extension - Access memos while using other apps - Input memos directly from keyboard - Paste instantly with a tap - Priority display for favorites and recently used memos - Filter by tags - Customize sort order, display limit, and height iCloud Sync (New in v1.1) - Automatic sync across devices - Seamlessly share data between iPhone and iPad - Restore data after reinstalling the app Search and Filtering - Text search (title and content) - Filter by tags - Show favorites only - Multiple sort options - By creation date - By update date - By usage frequency - By title Display Modes - List view - Grid view - Compact overview for quick reference Multi-language Support - Supports Japanese, English, Spanish, German, French, Chinese (Simplified), and Korean - Automatic switching based on system settings - Can set language individually within the app Free and Premium Versions - Free version: Basic memo features (limited memos and tags, with ads) - Premium version: Unlimited memos and tags, ad-free PERFECT FOR - Managing login information (IDs and passwords) - Inputting templates (email signatures, greetings) - Code snippets (frequently used code fragments) - Addresses and phone numbers (for form input) - Multi-language text (special characters and foreign language templates) - Shopping lists - Frequently used URLs PRIVACY AND SECURITY - Data stored locally and in iCloud (optional) - iCloud sync protected by Apple's encryption - No transmission to external servers - Data shared only between main app and keyboard via App Groups - Custom keyboard works without Full Access ABOUT THE ICON The pasta icon is derived from the internet slang "copypasta," a portmanteau of "copy paste" and "pasta," meaning text that is copied and pasted repeatedly. It represents the core concept of this app.
Screenshots
Verdict
The clearest difference is in-app purchases: PromptSmith at none against CoPaMemo's 1. CoPaMemo's advantage is ads (none vs shown) and update cadence (every 3 days vs every 6 weeks). On price, device support and iOS requirement 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. CoPaMemo sells 1 one-off in-app purchase. PromptSmith asks for nothing beyond the download.
PromptSmith ships an update every 6 weeks, CoPaMemo every 3 days. The most recent releases landed on October 28, 2026 and October 10, 2026 respectively.
| Parameter | PromptSmith | CoPaMemo |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.5 | 17.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 6 MB |
| Age rating | 12+ | 4+ |
| Developer | AKIRA SASAKI | Ryoma Yanagimoto |
In-app purchases
PromptSmith
No in-app purchases
CoPaMemo
- Premium Unlock$1.99









