# Parabon CTX Study App vs LIFESPACE Research

The clearest difference is iOS requirement: Parabon CTX Study App at 13.0 against LIFESPACE Research's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Parabon CTX Study App ships an update every 3 weeks, LIFESPACE Research every 2 weeks. The most recent releases landed on September 19, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Parabon CTX Study App | LIFESPACE Research |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 10 MB | 53 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Parabon NanoLabs, Inc.](https://appshunter.io/developer/1401016241) | [Avicenna Research Inc.](https://appshunter.io/developer/1137173051) |

## What reviewers say

### Parabon CTX Study App

[App page](https://appshunter.io/ios/app/parabon-ctx-study-app/id6444806840)

**In-app purchases:** none


### LIFESPACE Research

[App page](https://appshunter.io/ios/app/lifespace-research/id6756270280)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Parabon CTX Study App free?

Parabon CTX Study App is free to download, with no in-app purchases.

### Is LIFESPACE Research free?

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

### Do Parabon CTX Study App or LIFESPACE Research have ads?

Neither Parabon CTX Study App nor LIFESPACE Research shows ads.

### Which is updated more often, Parabon CTX Study App or LIFESPACE Research?

Parabon CTX Study App ships an update every 3 weeks, and LIFESPACE Research every 2 weeks. Most recently, Parabon CTX Study App was updated on September 19, 2026 and LIFESPACE Research on September 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.*