# iCOquit® App vs MyGreenSpace

The clearest difference is update cadence: MyGreenSpace at monthly against iCOquit® App's every 2 months. On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 3.4 for iCOquit® App against 3.3 for MyGreenSpace. Both are backed by a comparable volume of ratings — 5 and 6 respectively.

iCOquit® App ships an update every 2 months, MyGreenSpace monthly. Both last shipped on November 3, 2026.

## The numbers

| Metric | iCOquit® App | MyGreenSpace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (5 ratings)](https://appshunter.io/ios/app/icoquit-app/id1514616823/reviews)** | [3.3 (6 ratings)](https://appshunter.io/ios/app/mygreenspace/id6450016610/reviews) |
| Number of ratings | 5 | **6** |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 54 MB | 67 MB |
| Requires iOS | **14** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Bedfont Scientific](https://appshunter.io/developer/957361914) | [Greenphire](https://appshunter.io/developer/1691582987) |

## What reviewers say

### iCOquit® App

[App page](https://appshunter.io/ios/app/icoquit-app/id1514616823)

This app helps users quit smoking by tracking carbon monoxide levels in their breath. It works with a special device to provide visual motivation and monitor progress towards healthier CO levels.

**Highlights:** Carbon monoxide breath monitoring, Real-time progress tracking, Visual motivation through graphs, Goal setting for quitting, Share results with support network, Works with iCOquit Smokerlyzer device

**Features:** macOS Compatibility

**In-app purchases:** none


### MyGreenSpace

[App page](https://appshunter.io/ios/app/mygreenspace/id6450016610)

Manage your clinical trial participation with this companion app. Access study payments, submit reimbursement requests, complete eConsent, and fill out surveys. Features available depend on your specific study.

**Highlights:** View study payment details, Upload receipts for reimbursement, Complete eConsent, Fill out study surveys and trackers, Access study insights and resources

**In-app purchases:** none


## Frequently asked questions

### Is iCOquit® App free?

iCOquit® App is free to download, with no in-app purchases.

### Is MyGreenSpace free?

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

### Which has better reviews, iCOquit® App or MyGreenSpace?

iCOquit® App is rated higher. iCOquit® App averages 3.4 out of 5 from 5 ratings, while MyGreenSpace averages 3.3 from 6 ratings.

### Do iCOquit® App or MyGreenSpace have ads?

Neither iCOquit® App nor MyGreenSpace shows ads.

### Which is updated more often, iCOquit® App or MyGreenSpace?

iCOquit® App ships an update every 2 months, and MyGreenSpace monthly. Most recently, iCOquit® App was updated on November 3, 2026 and MyGreenSpace on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*