SubExtractor vs Prompt Studio AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SubExtractor
Effortlessly capture and use subtitles directly within Safari. Transform captions into clean, usable text for studying, research, or easy comprehension. Offers flexible formatting and privacy-focused, on-device processing.
- Instant caption detection in Safari
- Clean reading view without distractions
- Copy and export subtitles
- Flexible formatting options
- On-device processing for privacy
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SubExtractor makes it effortless to capture and use subtitles directly in Safari. Whether you’re studying, researching, or just following along, SubExtractor turns captions into clean, usable text in seconds. Key Features • Instant Detection – Grab captions instantly from supported sites in Safari. • Clean Reading View – Read subtitles without clutter or distractions. • Copy & Export – Copy to clipboard or save for later study. • Flexible Formatting – Choose flowing paragraphs, a single block, or keep original timestamps. • Privacy First – All processing happens on your device. Nothing leaves Safari. Why SubExtractor? Captions improve focus, comprehension, and accessibility. SubExtractor helps you take better notes, study more effectively, and enjoy videos anywhere—whether in a noisy environment or a quiet one. Designed to be simple, fast, and intuitive, it works seamlessly across iOS and macOS.
Prompt Studio AI
Organize and retrieve your AI prompts and their associated outputs. Save prompt text, attach references, link generated media, and search your entire library instantly. Ideal for creatives and teams managing AI-generated content.
- Visual prompt library
- Markdown editing and autosave
- Attach reference files
- Link AI outputs
- Nested folder organization
- Chain prompts into collections
- Import from X and Reddit
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Stop losing your best AI prompts. Prompt Studio is the AI prompt workspace for creatives and teams. Save the prompts you write, attach the references you used, and link the images, video, audio, or text you got back, then find it all again in seconds. WHAT YOU CAN DO • Build a visual prompt library with grid or list views • Save prompt text with seamless markdown editing and autosave • Attach reference images, PDFs, and documents • Link outputs (images, video, audio, text) back to the prompt that made them • Organize with nested folders by client, campaign, or theme • Chain related prompts into multi-step collections • Import prompts from X and Reddit with a URL • Search your whole library instantly FREE TO START • Unlimited prompts • Core library, folders, and imports • Upgrade anytime for higher limits on inputs, outputs, folders, and storage Prompt Studio organizes the creative work you already make. Terms of use: https://promptstudio.app/terms Privacy Policy: https://promptstudio.app/privacy
Screenshots
Verdict
The clearest difference is rating: Prompt Studio AI at 5.0 against SubExtractor's 4.3. Prompt Studio AI also leads on iOS requirement (18.6 vs 26.0). SubExtractor's advantage is ratings volume (6 vs 1). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Prompt Studio AI holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: SubExtractor has 6 ratings behind it against 1, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.
| Parameter | SubExtractor | Prompt Studio AI |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (6 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 6 — better | 1 |
| Update frequency | Weekly | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 18.6 — better |
| Further details — not scored | ||
| Size | 10 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Junior Espino | Quick One B.V. |
Customer experience
SubExtractor
Prompt Studio AI
In-app purchases
SubExtractor
No in-app purchases
Prompt Studio AI
No in-app purchases
Questions
Is SubExtractor free?
Is Prompt Studio AI free?
Which has better reviews, SubExtractor or Prompt Studio AI?
Do SubExtractor or Prompt Studio AI have ads?
Which is updated more often, SubExtractor or Prompt Studio AI?
Other comparisons
