# eLinus vs Altadena Library District

The clearest difference is update cadence: eLinus at every 3 weeks against Altadena Library District's every 16 months. eLinus also leads on iOS requirement (12.1 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

eLinus ships an update every 3 weeks, Altadena Library District every 16 months. The most recent releases landed on October 15, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | eLinus | Altadena Library District |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (5 ratings)](https://appshunter.io/ios/app/elinus/id1586338098/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 16 months |
| Monetization | Free | — |
| Size | 9 MB | 44 MB |
| Requires iOS | **12.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Linus Learning](https://appshunter.io/developer/1586338100) | [Altadena Library District](https://appshunter.io/developer/1813189236) |

## What reviewers say

### eLinus

[App page](https://appshunter.io/ios/app/elinus/id1586338098)

Access a vast collection of academic literature instantly on your mobile device. Sync your progress across platforms and customize your reading experience with adjustable fonts, sizes, and modes. Visit linusebooks.com for the optimal experience.

**Highlights:** Large academic library access, Cross-platform syncing, Customizable fonts and sizes, Adjustable reading modes, Instant access on mobile

**Features:** macOS Compatibility

**In-app purchases:** none


### Altadena Library District

[App page](https://appshunter.io/ios/app/altadena-library-district/id6745619928)

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

**In-app purchases:** none


## Frequently asked questions

### Is eLinus free?

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

### Is Altadena Library District free?

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

### Do eLinus or Altadena Library District have ads?

Neither eLinus nor Altadena Library District shows ads.

### Which is updated more often, eLinus or Altadena Library District?

eLinus ships an update every 3 weeks, and Altadena Library District every 16 months. Most recently, eLinus was updated on October 15, 2026 and Altadena Library District on September 30, 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.*