# eLibrarian vs Apollo Books Tracker

The clearest difference is rating: eLibrarian at 5.0 against Apollo Books Tracker's 3.0. eLibrarian also leads on update cadence (every 9 days vs every 3 weeks) and iOS requirement (10.0 vs 17.0). On price, review sentiment, ratings volume and ads there is nothing between them.

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

eLibrarian holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

eLibrarian ships an update every 9 days, Apollo Books Tracker every 3 weeks. The most recent releases landed on September 22, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | eLibrarian | Apollo Books Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/elibrarian/id1523729873/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/apollo-books-tracker/id1615011629/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 68 MB | 11 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mallory Haas](https://appshunter.io/developer/1523729875) | [Antonio Stigliano](https://appshunter.io/developer/1615011631) |

## What reviewers say

### eLibrarian

[App page](https://appshunter.io/ios/app/elibrarian/id1523729873)

Easily catalog your personal book collection by scanning ISBNs or typing titles. Securely store and access your library from any device, with options to edit and delete entries. Never lose track of your books again.

**Highlights:** Add books via ISBN scan or manual entry, Secure cloud storage for your library, View and manage your book collection, Edit and delete book entries, Sort books alphabetically, Access library on any device

**In-app purchases:** none


### Apollo Books Tracker

[App page](https://appshunter.io/ios/app/apollo-books-tracker/id1615011629)

Organize your personal library by adding books through search or barcode scanning. Track reading progress, add notes, and filter your collection. Enjoy automatic iCloud sync and a customizable interface.

**Highlights:** Add books via search or barcode scan, Track reading status, Add and search book notes, Filter and sort library, iCloud synchronization, Customizable interface

**In-app purchases:** none


## Frequently asked questions

### Is eLibrarian free?

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

### Is Apollo Books Tracker free?

Apollo Books Tracker is free to download, with no in-app purchases.

### Which has better reviews, eLibrarian or Apollo Books Tracker?

eLibrarian is rated higher. eLibrarian averages 5.0 out of 5 from 5 ratings, while Apollo Books Tracker averages 3.0 from 2 ratings.

### Do eLibrarian or Apollo Books Tracker have ads?

Neither eLibrarian nor Apollo Books Tracker shows ads.

### Which is updated more often, eLibrarian or Apollo Books Tracker?

eLibrarian ships an update every 9 days, and Apollo Books Tracker every 3 weeks. Most recently, eLibrarian was updated on September 22, 2026 and Apollo Books Tracker on October 14, 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.*