PromptSmith vs Tuck
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.
Tuck
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Find your booking before you leave, your receipt when it's time to claim expenses, and your warranty when something needs fixing. Tuck keeps screenshots and documents together, ready for the moment you need them. Share something to Tuck and it's saved right away. Add photos, scan a document, import a file or paste a link or text. Tuck reads it on your device, recognizes bookings, tickets, receipts, orders, warranties and documents, and picks out useful details such as dates, amounts and addresses. Your originals are kept too. Search for a shop name or a few words you remember. Open the original, copy a detail or confirm a reminder for an important date. • Save images, PDFs, links and text; add several photos at once • Search titles, text in images and extracted details, including through iPhone system search • Browse Upcoming, Receipts and Warranties smart collections • Receipts are grouped by month with a monthly total • Warranties show when they end and remind you a month before • Flights and stays a few days apart are grouped into one trip • Taiwan e-invoice QR codes fill in the invoice number, date and total • Filter by type; edit an item's name, type, date, amount or warranty length • Saving the same file twice keeps just one copy • Organize items into collections you can rename, merge or delete; move or delete several items at once • Zoom into originals, view PDFs and copy dates, amounts or addresses • Set a local reminder with a date and message ready to confirm • On iPad and an unfolded iPhone Duo, your library and the open item sit side by side No account or login needed. Tuck includes ads, shown only at natural breaks. A one-time purchase removes them.
Screenshots
Verdict
The clearest difference is in-app purchases: PromptSmith at none against Tuck's 1. PromptSmith also leads on iOS requirement (18.5 vs 26.0). Tuck's advantage is update cadence (daily vs every 6 weeks). On price, ads and device support 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. Tuck sells 1 one-off in-app purchase. PromptSmith asks for nothing beyond the download.
PromptSmith ships an update every 6 weeks, Tuck daily. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.
| Parameter | PromptSmith | Tuck |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Daily — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.5 — better | 26.0 |
| Further details — not scored | ||
| Size | 5 MB | 7 MB |
| Age rating | 12+ | 4+ |
| Developer | AKIRA SASAKI | Yi-Chiun Wu |
In-app purchases
PromptSmith
No in-app purchases
Tuck
- Remove ads$9.99








