# DALIM Virtual Library vs Coralis

The clearest difference is iOS requirement: DALIM Virtual Library at 9.3 against Coralis's 12.0. On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for DALIM Virtual Library against 5.0 for Coralis. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

DALIM Virtual Library ships an update every 3 months, Coralis every 5 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | DALIM Virtual Library | Coralis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/dalim-virtual-library/id1162056127/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/coralis/id1573244665/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 54 MB | 107 MB |
| Requires iOS | **9.3** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DALIM SOFTWARE GmbH](https://appshunter.io/developer/383313864) | [Coralis Americas LLC](https://appshunter.io/developer/1573244667) |

## What reviewers say

### DALIM Virtual Library

[App page](https://appshunter.io/ios/app/dalim-virtual-library/id1162056127)

Transform static PDF publications into interactive, multimedia-rich experiences for iPad. Add hyperlinks, videos, and slideshows to create an intuitive digital magazine. Offers features like full-text search and bookmarking.

**Highlights:** Multimedia integration (videos, slideshows), Hyperlink support, Single/double page view, Right-to-left reading, Table of contents, Full text search, Bookmarking

**Features:** macOS Compatibility

**In-app purchases:** none


### Coralis

[App page](https://appshunter.io/ios/app/coralis/id1573244665)

This app connects to a color measurement instrument via Bluetooth to collect and analyze color data. It supports various color measurement standards, performs color comparisons with difference formulas, and allows for the creation and searching of custom color databases.

**Highlights:** Bluetooth instrument connection, Collects color data (reflectance, CIE-LABCH, XYZ, etc.), Performs color comparisons with difference formulas, Creates custom color databases, Searches for similar colors in databases

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DALIM Virtual Library free?

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

### Is Coralis free?

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

### Which has better reviews, DALIM Virtual Library or Coralis?

DALIM Virtual Library and Coralis are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do DALIM Virtual Library or Coralis have ads?

Neither DALIM Virtual Library nor Coralis shows ads.

### Which is updated more often, DALIM Virtual Library or Coralis?

DALIM Virtual Library ships an update every 3 months, and Coralis every 5 months. Most recently, DALIM Virtual Library was updated on October 24, 2026 and Coralis on October 24, 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.*