# Researchist vs 44th ISTS Symposium

The clearest difference is in-app purchases: 44th ISTS Symposium at none against Researchist's 1. 44th ISTS Symposium also leads on update cadence (every 4 days vs fortnightly) and iOS requirement (13.0 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. 44th ISTS Symposium asks for nothing beyond the download.

Researchist ships an update fortnightly, 44th ISTS Symposium every 4 days. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Researchist | 44th ISTS Symposium |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Size | 113 MB | 18 MB |
| Requires iOS | 27.0 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Essayist Software Inc.](https://appshunter.io/developer/1537845386) | [Poznan Supercomputing and Networking Center](https://appshunter.io/developer/726093818) |

## What reviewers say

### Researchist

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

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (1)**

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


### 44th ISTS Symposium

[App page](https://appshunter.io/ios/app/44th-ists-symposium/id6759277003)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Researchist free?

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

### Is 44th ISTS Symposium free?

44th ISTS Symposium is free to download, with no in-app purchases.

### Do Researchist or 44th ISTS Symposium have ads?

Neither Researchist nor 44th ISTS Symposium shows ads.

### Which is updated more often, Researchist or 44th ISTS Symposium?

Researchist ships an update fortnightly, and 44th ISTS Symposium every 4 days. Most recently, Researchist was updated on November 8, 2026 and 44th ISTS Symposium on November 9, 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.*