# Clinical Study Research vs Interval Coach Trainer

The clearest difference is iOS requirement: Clinical Study Research at 11.0 against Interval Coach Trainer's 15.1. 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.

## The numbers

| Metric | Clinical Study Research | Interval Coach Trainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 105 MB | 27 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [HelloMind APS](https://appshunter.io/developer/327538175) | [Riley Betts Limited](https://appshunter.io/developer/1895858721) |

## What reviewers say

### Clinical Study Research

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Interval Coach Trainer

[App page](https://appshunter.io/ios/app/interval-coach-trainer/id6764635030)

**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 Interval Coach Trainer free?

Interval Coach Trainer is free to download, with no in-app purchases.

### Do Clinical Study Research or Interval Coach Trainer have ads?

Neither Clinical Study Research nor Interval Coach Trainer shows ads.

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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.*