# Peeref vs SciSpace

The clearest difference is review sentiment: Peeref at 100% against SciSpace's 11%. Peeref also leads on rating (5.0 vs 2.6). SciSpace's advantage is update cadence (every 3 weeks vs every 3 months). On price, ratings volume, 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.

Peeref holds the better App Store score, 5.0 against 2.6. Both are backed by a comparable volume of ratings — 7 and 11 respectively. Written reviews point the same way: 100% of Peeref's written reviews are positive against 11% of SciSpace's.

Peeref ships an update every 3 months, SciSpace every 3 weeks. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Peeref | SciSpace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/peeref-science-social-sharing/id1563050008/reviews)** | [2.6 (11 ratings)](https://appshunter.io/ios/app/scispace/id6742434138/reviews) |
| Number of ratings | 7 | **11** |
| Positive reviews | **100.0% of reviews** | 11.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 71 MB | 78 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Accdon LLC](https://appshunter.io/developer/1563050010) | [PubGenius Inc.](https://appshunter.io/developer/1798128342) |

## What reviewers say

### Peeref

[App page](https://appshunter.io/ios/app/peeref-science-social-sharing/id1563050008)

This platform connects researchers and scientists to discover articles, journals, funding opportunities, and webinars. Engage in discussions, host your own webinars, and get certified as a peer reviewer.

**Highlights:** Explore scientific articles and journals, Discover global funding opportunities, Host and attend webinars, Engage in research discussions via Hubs, Get certified as a peer reviewer, Access reviewer resources

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

**In-app purchases:** none


### SciSpace

[App page](https://appshunter.io/ios/app/scispace/id6742434138)

This AI-powered research companion helps academics, researchers, and students accelerate literature reviews. It allows users to search millions of papers using natural language, extract key information from documents, and receive citation-backed answers to their queries.

**Highlights:** AI-powered semantic search, Instant paper insights extraction, Citation-backed answers, Access to 270+ million papers, Multilingual support

**In-app purchases:** none


## Frequently asked questions

### Is Peeref free?

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

### Is SciSpace free?

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

### Which has better reviews, Peeref or SciSpace?

Peeref is rated higher. Peeref averages 5.0 out of 5 from 7 ratings, while SciSpace averages 2.6 from 11 ratings.

### Do Peeref or SciSpace have ads?

Neither Peeref nor SciSpace shows ads.

### Which is updated more often, Peeref or SciSpace?

Peeref ships an update every 3 months, and SciSpace every 3 weeks. Most recently, Peeref was updated on November 7, 2026 and SciSpace on November 4, 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.*