# Orbini vs alphaXiv

The clearest difference is in-app purchases: alphaXiv at none against Orbini's 2. alphaXiv also leads on update cadence (every 4 days vs every 2 weeks) and iOS requirement (17.0 vs 26.1). On price, ads and device support there is nothing between them.

Both are free to download. Orbini sells 2 in-app purchases, starting at $9.99 per month. alphaXiv asks for nothing beyond the download.

Orbini ships an update every 2 weeks, alphaXiv every 4 days. The most recent releases landed on September 9, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Orbini | alphaXiv |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (17 ratings)](https://appshunter.io/ios/app/alphaxiv/id6782411985/reviews)** |
| Number of ratings | — | **17** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | — | Free |
| Size | 7 MB | 73 MB |
| Requires iOS | 26.1 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Orbioom](https://appshunter.io/developer/1887333946) | [alphaXiv Inc.](https://appshunter.io/developer/6782411987) |

## What reviewers say

### Orbini

[App page](https://appshunter.io/ios/app/orbini/id6762076909)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Orbini Pro Monthly | $9.99 | per month |
| Orbini Pro Annual | $49.99 | per year |


### alphaXiv

[App page](https://appshunter.io/ios/app/alphaxiv/id6782411985)

This app helps researchers stay updated with the latest AI studies from arXiv. It offers AI-powered summaries, literature reviews, and visual explanations of complex papers. Users can also annotate papers and track their research interests.

**Highlights:** Trending research feed, AI-powered literature reviews, Interactive paper reader with notes, AI Visual Blogs for paper explanations, Personalized research recommendations

**In-app purchases:** none


## Frequently asked questions

### Is Orbini free?

Orbini is free to download, with in-app purchases available.

### Is alphaXiv free?

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

### Do Orbini or alphaXiv have ads?

Neither Orbini nor alphaXiv shows ads.

### Which is updated more often, Orbini or alphaXiv?

Orbini ships an update every 2 weeks, and alphaXiv every 4 days. Most recently, Orbini was updated on September 9, 2026 and alphaXiv on September 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.*