# inspire hep browser vs Persimmon

The clearest difference is update cadence: Persimmon at every 3 weeks against inspire hep browser's every 2 months. inspire hep browser's advantage is ratings volume (6 vs 2) and iOS requirement (11.0 vs 18.1). On price, rating, ads and in-app purchases 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 inspire hep browser against 5.0 for Persimmon. Both are backed by a comparable volume of ratings — 6 and 2 respectively.

inspire hep browser ships an update every 2 months, Persimmon every 3 weeks. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | inspire hep browser | Persimmon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/inspire-hep-browser/id1435865611/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/persimmon-research-simplified/id6747952930/reviews) |
| Number of ratings | **6** | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 3 MB | 23 MB |
| Requires iOS | **11.0** | 18.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Yuji Tachikawa](https://appshunter.io/developer/378764358) | [Momenta Lab LLC](https://appshunter.io/developer/1615879512) |

## What reviewers say

### inspire hep browser

[App page](https://appshunter.io/ios/app/inspire-hep-browser/id1435865611)

This app facilitates easy PDF downloads and reading for inspirehep.net and arXiv.org. It offers iCloud synchronization across Apple devices, making it a convenient tool for high energy physicists.

**Highlights:** One-click PDF downloads, Read arXiv and new papers, iCloud sync across devices, Supports inspirehep.net, Supports arXiv.org

**Features:** macOS Compatibility

**In-app purchases:** none


### Persimmon

[App page](https://appshunter.io/ios/app/persimmon-research-simplified/id6747952930)

This app simplifies complex scientific research papers from arXiv and SocArXiv using AI. It offers customizable summaries tailored to your expertise level and allows you to search, save, and get daily updates on new publications. You can also use it as a basic preprint browser without AI.

**Highlights:** AI-powered paper summaries, Customizable AI models and expertise levels, Search arXiv and SocArXiv, Save papers for offline access, Daily updates and notifications, Privacy-focused, no data collection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is inspire hep browser free?

inspire hep browser is free to download, with no in-app purchases.

### Is Persimmon free?

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

### Which has better reviews, inspire hep browser or Persimmon?

inspire hep browser and Persimmon are both rated 5.0 out of 5 on the App Store, from 6 and 2 ratings respectively.

### Do inspire hep browser or Persimmon have ads?

Neither inspire hep browser nor Persimmon shows ads.

### Which is updated more often, inspire hep browser or Persimmon?

inspire hep browser ships an update every 2 months, and Persimmon every 3 weeks. Most recently, inspire hep browser was updated on October 17, 2026 and Persimmon 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.*