# SciSpace vs Gamma AI

The clearest difference is monetization model: SciSpace at free against Gamma AI's free with in-app purchases. Gamma AI's advantage is rating (3.5 vs 3.2). On price, ratings volume, update cadence 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.

Gamma AI holds the better App Store score, 3.5 against 3.2. Both are backed by a comparable volume of ratings — 6 and 6 respectively.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | SciSpace | Gamma AI |
| --- | --- | --- |
| 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/gamma-ai-presentation-maker/id6757909978/reviews)** |
| Number of ratings | 6 | 6 |
| Positive reviews | 12.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 78 MB | 165 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PubGenius Inc.](https://appshunter.io/developer/1798128342) | [Barbara Martin](https://appshunter.io/developer/6818980819) |

## 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


### Gamma AI

[App page](https://appshunter.io/ios/app/gamma-ai-presentation-maker/id6757909978)

Effortlessly create and edit professional presentations with a wide range of templates. This assistant streamlines slide design and content focus, saving you valuable time. Organize your projects with folders and access past work through your history.

**Highlights:** AI-generated slides, Variety of templates, One-touch editing, Folder organization, Work history, Subscription-based

**In-app purchases:** none


## Frequently asked questions

### Is SciSpace free?

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

### Is Gamma AI free?

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

### Which has better reviews, SciSpace or Gamma AI?

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

### Do SciSpace or Gamma AI have ads?

Neither SciSpace nor Gamma AI shows ads.

### Which is updated more often, SciSpace or Gamma AI?

SciSpace ships an update fortnightly, and Gamma AI fortnightly. Most recently, SciSpace was updated on October 9, 2026 and Gamma AI on October 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.*