# LegionSpace vs Researchist

The clearest difference is in-app purchases: LegionSpace at none against Researchist's 1. LegionSpace also leads on update cadence (weekly vs fortnightly) and iOS requirement (15.0 vs 27.0). On price, ads and device support there is nothing between them.

Both are free to download. Researchist sells 1 in-app purchase, starting at $39.99 per year. LegionSpace asks for nothing beyond the download.

LegionSpace ships an update weekly, Researchist fortnightly. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | LegionSpace | Researchist |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/legionspace/id6747742179/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free | — |
| Size | 203 MB | 113 MB |
| Requires iOS | **15.0** | 27.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Mac |
| Age rating | 17+ | 4+ |
| Developer | [PAYEGIS INC.](https://appshunter.io/developer/681031202) | [Essayist Software Inc.](https://appshunter.io/developer/1537845386) |

## What reviewers say

### LegionSpace

[App page](https://appshunter.io/ios/app/legionspace/id6747742179)

This platform facilitates collaboration, sharing, and building through a decentralized system. It leverages distributed ledger, public key infrastructure, and digital identity technologies to create a secure environment for task agents.

**Highlights:** Distributed ledger technology, Distributed public key infrastructure, Distributed digital identity, Task collaboration agent terminal, Data trust open platform

**In-app purchases:** none


### Researchist

[App page](https://appshunter.io/ios/app/researchist-pdf-reader/id6749282472)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Researchist Pro (Yearly) | $39.99 | per year |


## Frequently asked questions

### Is LegionSpace free?

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

### Is Researchist free?

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

### Do LegionSpace or Researchist have ads?

Neither LegionSpace nor Researchist shows ads.

### Which is updated more often, LegionSpace or Researchist?

LegionSpace ships an update weekly, and Researchist fortnightly. Most recently, LegionSpace was updated on October 28, 2026 and Researchist 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.*