# Synapse Social vs alphaXiv

The clearest difference is rating: Synapse Social at 5.0 against alphaXiv's 4.7. Synapse Social also leads on update cadence (every 2 days vs every 4 days). alphaXiv's advantage is monetization model (free vs ad-supported). 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.

Synapse Social holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 14 and 17 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Synapse Social ships an update every 2 days, alphaXiv every 4 days. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Synapse Social | alphaXiv |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (14 ratings)](https://appshunter.io/ios/app/synapse-social/id6747992429/reviews)** | [4.7 (17 ratings)](https://appshunter.io/ios/app/alphaxiv/id6782411985/reviews) |
| Number of ratings | 14 | **17** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 days |
| Monetization | Ad-supported | **Free** |
| Size | 75 MB | 61 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Synapse Social LLC](https://appshunter.io/developer/1769426157) | [alphaXiv Inc.](https://appshunter.io/developer/6782411987) |

## What reviewers say

### Synapse Social

[App page](https://appshunter.io/ios/app/synapse-social/id6747992429)

This app delivers a personalized feed of new research papers, helping researchers stay updated without constant searching. It learns your interests to notify you of relevant publications, offering summaries and methodologies to assess their value.

**Highlights:** Personalized research feeds, Track research questions, not just keywords, Follow journals, authors, and institutions, View paper summaries and methodologies, Track online attention for papers, Save and organize research

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

**In-app purchases:** none


### 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 Synapse Social free?

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

### Is alphaXiv free?

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

### Which has better reviews, Synapse Social or alphaXiv?

Synapse Social is rated higher. Synapse Social averages 5.0 out of 5 from 14 ratings, while alphaXiv averages 4.7 from 17 ratings.

### Do Synapse Social or alphaXiv have ads?

Neither Synapse Social nor alphaXiv shows ads.

### Which is updated more often, Synapse Social or alphaXiv?

Synapse Social ships an update every 2 days, and alphaXiv every 4 days. Most recently, Synapse Social was updated on October 28, 2026 and alphaXiv 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.*