# SciSpace vs DSDonline

The clearest difference is update cadence: SciSpace at fortnightly against DSDonline's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SciSpace ships an update fortnightly, DSDonline every 5 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | SciSpace | DSDonline |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (11 ratings)](https://appshunter.io/ios/app/scispace/id6742434138/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 12.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free | — |
| Size | 78 MB | 3 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PubGenius Inc.](https://appshunter.io/developer/1798128342) | [DSD PLANNING CENTER SL](https://appshunter.io/developer/1606681046) |

## 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


### DSDonline

[App page](https://appshunter.io/ios/app/dsdonline/id6793562970)

**In-app purchases:** none


## Frequently asked questions

### Is SciSpace free?

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

### Is DSDonline free?

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

### Do SciSpace or DSDonline have ads?

Neither SciSpace nor DSDonline shows ads.

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

SciSpace ships an update fortnightly, and DSDonline every 5 weeks. Most recently, SciSpace was updated on October 24, 2026 and DSDonline 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.*