# DriveThruRPG Library vs SectorMaker

The clearest difference is rating: SectorMaker at 4.3 against DriveThruRPG Library's 3.3. SectorMaker also leads on iOS requirement (10.0 vs 14.5). DriveThruRPG Library's advantage is device support (3 vs 1). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SectorMaker holds the better App Store score, 4.3 against 3.3. Both are backed by a comparable volume of ratings — 12 and 6 respectively. Written reviews point the same way: 29% of DriveThruRPG Library's written reviews are positive against 33% of SectorMaker's.

DriveThruRPG Library ships an update every 9 months, SectorMaker every 13 months. The most recent releases landed on October 2, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | DriveThruRPG Library | SectorMaker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (12 ratings)](https://appshunter.io/ios/app/drivethrurpg-library/id1425976251/reviews) | **[4.3 (6 ratings)](https://appshunter.io/ios/app/sectormaker/id1435528047/reviews)** |
| Number of ratings | **12** | 6 |
| Positive reviews | 29.2% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 13 months |
| Monetization | Free | Free |
| Size | 49 MB | 9 MB |
| Requires iOS | 14.5 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 12+ | 4+ |
| Developer | [OneBookShelf, Inc.](https://appshunter.io/developer/442207598) | [Art Gorski](https://appshunter.io/developer/1086485068) |

## What reviewers say

### DriveThruRPG Library

[App page](https://appshunter.io/ios/app/drivethrurpg-library/id1425976251)

Easily sync and organize your entire collection of RPG files on your mobile device. Keep your digital library updated automatically and access any file with your preferred viewer. Access purchases from various OneBookShelf sites.

**Highlights:** Sync entire library to device, Organize by publisher/rule system, Custom collection organization, Automatic file updates, Open files in favorite viewer, Access OneBookShelf purchases

**Features:** macOS Compatibility

**In-app purchases:** none


### SectorMaker

[App page](https://appshunter.io/ios/app/sectormaker/id1435528047)

This app generates star charts and world details for a specific role-playing game. It allows for the creation of subsector names, political allegiances, and trade routes, utilizing an external mapping API. Data can be imported for editing and exported for printing.

**Highlights:** Sector star chart generation, Subsector naming, World detail creation, Political allegiance mapping, Trade and communication route visualization, Data import and export, Map printing via external tool

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DriveThruRPG Library free?

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

### Is SectorMaker free?

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

### Which has better reviews, DriveThruRPG Library or SectorMaker?

SectorMaker is rated higher. DriveThruRPG Library averages 3.3 out of 5 from 12 ratings, while SectorMaker averages 4.3 from 6 ratings.

### Do DriveThruRPG Library or SectorMaker have ads?

Neither DriveThruRPG Library nor SectorMaker shows ads.

### Which is updated more often, DriveThruRPG Library or SectorMaker?

DriveThruRPG Library ships an update every 9 months, and SectorMaker every 13 months. Most recently, DriveThruRPG Library was updated on October 2, 2026 and SectorMaker on September 9, 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.*