# AB Library vs Star Signal SB44 Controller

The clearest difference is iOS requirement: AB Library at 8.0 against Star Signal SB44 Controller's 15.0. 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.

AB Library ships an update every 10 months, Star Signal SB44 Controller every 19 months. The most recent releases landed on October 21, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | AB Library | Star Signal SB44 Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ab-library/id484660000/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 19 months |
| Monetization | Free | — |
| Size | 23 MB | 64 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Acuity Brands Lighting, Inc](https://appshunter.io/developer/384447835) | [Grote Industries, Inc.](https://appshunter.io/developer/1199733567) |

## What reviewers say

### AB Library

[App page](https://appshunter.io/ios/app/ab-library/id484660000)

Access the latest marketing collateral and product literature from a leading lighting solutions provider. Quickly find product information, specification sheets, and photometric data. Share catalog pages and locate sales representatives.

**Highlights:** Up-to-date product information, Search by product name/catalog number, Email/share catalog pages, Access specification sheets, Create bookmarks and notes, Find related products, Locate sales representatives

**Features:** macOS Compatibility

**In-app purchases:** none


### Star Signal SB44 Controller

[App page](https://appshunter.io/ios/app/star-signal-sb44-controller/id1560388685)

**In-app purchases:** none


## Frequently asked questions

### Is AB Library free?

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

### Is Star Signal SB44 Controller free?

Star Signal SB44 Controller is free to download, with no in-app purchases.

### Do AB Library or Star Signal SB44 Controller have ads?

Neither AB Library nor Star Signal SB44 Controller shows ads.

### Which is updated more often, AB Library or Star Signal SB44 Controller?

AB Library ships an update every 10 months, and Star Signal SB44 Controller every 19 months. Most recently, AB Library was updated on October 21, 2026 and Star Signal SB44 Controller on October 15, 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.*