# Clinical Study Research vs HejMind

The clearest difference is update cadence: HejMind at daily against Clinical Study Research's every 3 weeks. Clinical Study Research's advantage is iOS requirement (11.0 vs 14.0). 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.

Clinical Study Research ships an update every 3 weeks, HejMind daily. The most recent releases landed on October 6, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Clinical Study Research | HejMind |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 105 MB | 33 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [HelloMind APS](https://appshunter.io/developer/327538175) | [Nejsi Lleshi](https://appshunter.io/developer/1848331898) |

## What reviewers say

### Clinical Study Research

[App page](https://appshunter.io/ios/app/clinical-study-research/id6464368768)

**Features:** macOS Compatibility

**In-app purchases:** none


### HejMind

[App page](https://appshunter.io/ios/app/hejmind/id6754452873)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Clinical Study Research free?

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

### Is HejMind free?

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

### Do Clinical Study Research or HejMind have ads?

Neither Clinical Study Research nor HejMind shows ads.

### Which is updated more often, Clinical Study Research or HejMind?

Clinical Study Research ships an update every 3 weeks, and HejMind daily. Most recently, Clinical Study Research was updated on October 6, 2026 and HejMind on September 11, 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.*