# Slugline vs ScriptBuilder

The clearest difference is price: ScriptBuilder at Free against Slugline's $19.99. ScriptBuilder also leads on rating (4.6 vs 2.6) and update cadence (every 3 weeks vs every 2 months). Slugline's advantage is in-app purchases (none vs 2) and device support (4 vs 2). On review sentiment, ratings volume and ads there is nothing between them.

ScriptBuilder is free to download; Slugline costs $19.99 up front. ScriptBuilder sells 2 in-app purchases, starting at $5.99 per month. Slugline asks for nothing beyond the download.

ScriptBuilder holds the better App Store score, 4.6 against 2.6. Both are backed by a comparable volume of ratings — 14 and 7 respectively. Written reviews complicate that: 41% of Slugline's written reviews are positive against 36% of ScriptBuilder's, so the app with the better star average is not the one people write more warmly about.

Slugline ships an update every 2 months, ScriptBuilder every 3 weeks. Both last shipped on November 2, 2026.

## The numbers

| Metric | Slugline | ScriptBuilder |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | [2.6 (14 ratings)](https://appshunter.io/ios/app/slugline-simply-screenwriting/id1217359226/reviews) | **[4.6 (7 ratings)](https://appshunter.io/ios/app/scriptbuilder/id1358448790/reviews)** |
| Number of ratings | **14** | 7 |
| Positive reviews | **41.5% of reviews** | 35.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 10 MB | 23 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Vision Pro** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Act Focused Media LLC](https://appshunter.io/developer/368435453) | [patrick ridd](https://appshunter.io/developer/1139632147) |

## What reviewers say

### Slugline

[App page](https://appshunter.io/ios/app/slugline-simply-screenwriting/id1217359226)

This app offers a minimalist, distraction-free writing environment for screenplays. It automatically formats your plain text into a proper screenplay, supports outlining, and includes helpful structure templates. Your work can be synced via cloud services or stored locally.

**Highlights:** Automatic screenplay formatting, Integrated outlining, Cloud sync (iCloud, Dropbox), Structure templates (Save the Cat!), Plain text (Fountain format) support, Notes and scene synopses

**In-app purchases:** none


### ScriptBuilder

[App page](https://appshunter.io/ios/app/scriptbuilder/id1358448790)

Capture and develop screenplay ideas on the go. This app guides you through clarifying your movie concept, structuring your story arc with act builders, and fleshing out characters and scenes with targeted questions. Prepare to write compelling stories with a solid foundation.

**Highlights:** Idea clarification questions, Story arc structure (Act 1, 2, 3), Character development prompts, Scene building guidance, On-the-go idea capture

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access (1 Month) | $5.99 | per month |
| All Access (1 year) | $49.99 | per year |

**What reviewers like**

- 💡 Breaks acts into chunks
- 👍 Great idea and layout
- 💡 Useful for structuring stories
- 💡 Helps with character and story development
- 💡 Good for outlining

**What reviewers complain about**

- 💸 Pay to create features
- 💸 In-app purchases are expensive
- 💸 Unfair pricing model
- 💸 Hidden costs in purchases
- 💸 Forced to pay for access to scripts

**Reported bugs**

- Save function not working
- App crashes frequently
- App freezes
- Data loss after crashes
- Content deleted after saving

**Requested features**

- Fix bugs
- Improve save functionality
- Add autosave system
- Add dark mode
- Add notepad for drafts


## Frequently asked questions

### Is Slugline free?

Slugline costs $19.99, with no in-app purchases.

### Is ScriptBuilder free?

ScriptBuilder is free to download, with in-app purchases available.

### Which has better reviews, Slugline or ScriptBuilder?

ScriptBuilder is rated higher. Slugline averages 2.6 out of 5 from 14 ratings, while ScriptBuilder averages 4.6 from 7 ratings.

### Do Slugline or ScriptBuilder have ads?

Neither Slugline nor ScriptBuilder shows ads.

### Which is updated more often, Slugline or ScriptBuilder?

Slugline ships an update every 2 months, and ScriptBuilder every 3 weeks. Most recently, Slugline was updated on November 2, 2026 and ScriptBuilder on November 2, 2026.

---

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