# SubExtractor vs Prompt Studio AI

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.

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.

## The numbers

| Metric | SubExtractor | Prompt Studio AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (6 ratings)](https://appshunter.io/ios/app/subextractor/id6752910266/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/prompt-studio-ai/id6759345370/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free | Free |
| Size | 10 MB | 19 MB |
| Requires iOS | 26.0 | **18.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Junior Espino](https://appshunter.io/developer/1841681181) | [Quick One B.V.](https://appshunter.io/developer/1875321036) |

## What reviewers say

### SubExtractor

[App page](https://appshunter.io/ios/app/subextractor/id6752910266)

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.

**Highlights:** Instant caption detection in Safari, Clean reading view without distractions, Copy and export subtitles, Flexible formatting options, On-device processing for privacy

**Features:** macOS Compatibility, Safari Extension, Vision Pro support

**In-app purchases:** none


### Prompt Studio AI

[App page](https://appshunter.io/ios/app/prompt-studio-ai/id6759345370)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SubExtractor free?

SubExtractor is free to download, with no in-app purchases.

### Is Prompt Studio AI free?

Prompt Studio AI is free to download, with no in-app purchases.

### Which has better reviews, SubExtractor or Prompt Studio AI?

Prompt Studio AI is rated higher. SubExtractor averages 4.3 out of 5 from 6 ratings, while Prompt Studio AI averages 5.0 from 1 ratings.

### Do SubExtractor or Prompt Studio AI have ads?

Neither SubExtractor nor Prompt Studio AI shows ads.

### Which is updated more often, SubExtractor or Prompt Studio AI?

SubExtractor ships an update weekly, and Prompt Studio AI weekly. Most recently, SubExtractor was updated on October 24, 2026 and Prompt Studio AI on October 16, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*