# Polycheck vs Plack

The clearest difference is rating: Plack at 4.7 against Polycheck's 4.1. Plack also leads on monetization model (freemium vs subscription). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Polycheck sells 2 in-app purchases, starting at $3.99 per month and Plack sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Plack holds the better App Store score, 4.7 against 4.1. Both are backed by a comparable volume of ratings — 8 and 15 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on June 1, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Polycheck | Plack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (8 ratings)](https://appshunter.io/ios/app/polycheck-find-microplastics/id6739971441/reviews) | **[4.7 (15 ratings)](https://appshunter.io/ios/app/plack-microplastics-scanner/id6740711020/reviews)** |
| Number of ratings | 8 | **15** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | Every 5 days |
| Monetization | Subscription | **Freemium** |
| Size | 21 MB | 45 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Renaissance Apps LLC](https://appshunter.io/developer/1220536592) | [Abel Thomas Noble](https://appshunter.io/developer/1791189065) |

## What reviewers say

### Polycheck

[App page](https://appshunter.io/ios/app/polycheck-find-microplastics/id6739971441)

This app uses AI to scan everyday products, like food and cosmetics, to detect microplastics. It provides insights into product risks and suggests safer alternatives, helping you make informed choices for your health and the environment.

**Highlights:** AI-powered microplastic detection, Scan food and cosmetic products, Product risk insights, Safer alternative suggestions, Track scanned items, Sustainability goal tracking

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plastic AI Monthly Sub | $3.99 | per month |
| Plastic AI Annual Sub | $24.99 | per year |


### 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 Polycheck free?

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

### Is Plack free?

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

### Which has better reviews, Polycheck or Plack?

Plack is rated higher. Polycheck averages 4.1 out of 5 from 8 ratings, while Plack averages 4.7 from 15 ratings.

### Do Polycheck or Plack have ads?

Neither Polycheck nor Plack shows ads.

### Which is updated more often, Polycheck or Plack?

Polycheck ships an update every 5 days, and Plack every 5 days. Most recently, Polycheck was updated on June 1, 2026 and Plack on September 10, 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.*