# SciSpace vs Deep Research

The clearest difference is review sentiment: Deep Research at 67% against SciSpace's 13%. Deep Research also leads on rating (3.5 vs 3.2). SciSpace's advantage is in-app purchases (none vs 2) and iOS requirement (15.1 vs 18.5). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Deep Research sells 2 in-app purchases, starting at $7.99 per month. SciSpace asks for nothing beyond the download.

Deep Research holds the better App Store score, 3.5 against 3.2. Both are backed by a comparable volume of ratings — 6 and 6 respectively. Written reviews point the same way: 13% of SciSpace's written reviews are positive against 67% of Deep Research's.

SciSpace ships an update fortnightly, Deep Research every 10 days. The most recent releases landed on September 22, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | SciSpace | Deep Research |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (6 ratings)](https://appshunter.io/ios/app/scispace/id6742434138/reviews) | **[3.5 (6 ratings)](https://appshunter.io/ios/app/deep-research/id6754216260/reviews)** |
| Number of ratings | 6 | 6 |
| Positive reviews | 12.5% of reviews | **66.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 78 MB | 29 MB |
| Requires iOS | **15.1** | 18.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 12+ |
| Developer | [PubGenius Inc.](https://appshunter.io/developer/1798128342) | [Best Surgical Education, LLC](https://appshunter.io/developer/1331613158) |

## What reviewers say

### 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 insights 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

**Features:** macOS Compatibility

**In-app purchases:** none


### Deep Research

[App page](https://appshunter.io/ios/app/deep-research/id6754216260)

This app provides in-depth summaries and relevant web links for any query, going beyond quick searches. It's designed for professionals and students needing thorough research, processing extensive data for detailed insights.

**Highlights:** Detailed query summaries, Relevant web link generation, Extensive data processing (1 million tokens), State-of-the-art web scraping, AI-powered summary generation, Background processing

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription, Deep Research | $7.99 | per month |
| Deep Research Yearly Subscription | $59.99 | per year |


## Frequently asked questions

### Is SciSpace free?

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

### Is Deep Research free?

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

### Which has better reviews, SciSpace or Deep Research?

Deep Research is rated higher. SciSpace averages 3.2 out of 5 from 6 ratings, while Deep Research averages 3.5 from 6 ratings.

### Do SciSpace or Deep Research have ads?

Neither SciSpace nor Deep Research shows ads.

### Which is updated more often, SciSpace or Deep Research?

SciSpace ships an update fortnightly, and Deep Research every 10 days. Most recently, SciSpace was updated on September 22, 2026 and Deep Research on September 17, 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.*