# References On Tap vs Astrali A

The clearest difference is in-app purchases: Astrali A at none against References On Tap's 2. Astrali A also leads on iOS requirement (13.0 vs 15.0). References On Tap's advantage is device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. References On Tap sells 2 in-app purchases, starting at $4.99 per year. Astrali A asks for nothing beyond the download.

## The numbers

| Metric | References On Tap | Astrali A |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (304 ratings)](https://appshunter.io/ios/app/references-on-tap/id1092709557/reviews)** | — |
| Number of ratings | **304** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 68 MB | 30 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ReferencesOnTap](https://appshunter.io/developer/301316543) | [Bilek Bilek](https://appshunter.io/developer/6772554752) |

## What reviewers say

### References On Tap

[App page](https://appshunter.io/ios/app/references-on-tap/id1092709557)

This app helps you find, display, and import reference information and PDFs from various academic databases. Organize your references into groups, perform advanced searches, and sync your library across devices. It offers both a one-time purchase for core features and a subscription for cloud syncing.

**Highlights:** Search academic databases (arXiv, Google Scholar, PubMed, etc.), Import reference information and PDFs, Organize references in static and smart groups, Advanced boolean and full-text search options, Sync libraries across iOS and macOS devices via iCloud, Share references for reading or import

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per year |
| Standard | $4.99 | one-time |


### Astrali A

[App page](https://appshunter.io/ios/app/astrali-a/id6772554750)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is References On Tap free?

References On Tap is free to download, with in-app purchases available.

### Is Astrali A free?

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

### Do References On Tap or Astrali A have ads?

Neither References On Tap nor Astrali A shows ads.

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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.*