# RWL COACH vs Plack

The clearest difference is in-app purchases: RWL COACH at none against Plack's 2. RWL COACH also leads on iOS requirement (11.0 vs 15.1). Plack's advantage is update cadence (every 5 days vs every 3 weeks) and rating (4.7 vs 4.5). On price, ads and device support there is nothing between them.

Both are free to download. Plack sells 2 in-app purchases, starting at $9.99 per month. RWL COACH asks for nothing beyond the download.

Plack holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Plack has 15 ratings behind it against 2, so its average is the more settled of the two.

RWL COACH ships an update every 3 weeks, Plack every 5 days. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | RWL COACH | Plack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/rwl-coach/id1475488391/reviews) | **[4.7 (15 ratings)](https://appshunter.io/ios/app/plack-microplastics-scanner/id6740711020/reviews)** |
| Number of ratings | 2 | **15** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | **Free** | Freemium |
| Size | 53 MB | 45 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cevene Care Clinic](https://appshunter.io/developer/1475488390) | [Abel Thomas Noble](https://appshunter.io/developer/1791189065) |

## What reviewers say

### RWL COACH

[App page](https://appshunter.io/ios/app/rwl-coach/id1475488391)

This app offers personalized weight loss plans and physician-directed programs. It includes custom eating plans, coaching, and various testing methods to achieve measurable results for a healthier life. The program focuses on individual needs and lifestyle strategies for lasting success.

**Highlights:** Custom weight loss plans, Physician oversight, Weekly coaching sessions, Health integrations (Apple Health), HIPAA compliant messaging, Progress tracking, Meal and supplement logging

**Features:** macOS Compatibility

**In-app purchases:** none


### Plack

[App page](https://appshunter.io/ios/app/plack-microplastics-scanner/id6740711020)

Empower yourself to identify and understand microplastic content in everyday products. Scan items or search for insights into harmful substances, track your exposure, and make informed choices for better well-being.

**Highlights:** Scan products for microplastics, Detect Phthalates and Bisphenols, Understand exposure and health impact, Track microplastic footprint, Personalized tracking and saved history, Access news dashboard (Pro)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plack Pro | $9.99 | per month |
| Plack Pro | $29.99 | per year |


## Frequently asked questions

### Is RWL COACH free?

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

### Is Plack free?

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

### Which has better reviews, RWL COACH or Plack?

Plack is rated higher. RWL COACH averages 4.5 out of 5 from 2 ratings, while Plack averages 4.7 from 15 ratings.

### Do RWL COACH or Plack have ads?

Neither RWL COACH nor Plack shows ads.

### Which is updated more often, RWL COACH or Plack?

RWL COACH ships an update every 3 weeks, and Plack every 5 days. Most recently, RWL COACH was updated on October 3, 2026 and Plack on October 2, 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.*