Comparison

Polycheck vs Heavyday

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Polycheck

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
Read full description

**POLYCHECK – AI Powered Microplastics Scanner** Take control of your health and the environment with Polycheck. Our AI-powered app helps you detect microplastics in everyday products, from food to personal care, empowering you to make safer, more informed choices. **How It Works:** 1. **Scan & Detect** – Use your phone’s camera to scan products or packaging, and let our AI analyze for the presence of microplastics in foods, beauty care, healthcare, dental care, and more. 2. **Product Insights** – Access detailed breakdowns of microplastic risks in the products you use every day, complete with alternative suggestions for safer, eco-friendly options. 3. **Track & Avoid** – Keep a log of scanned items to monitor and reduce your exposure to microplastics over time. 4. **Sustainability Goals** – Contribute to a healthier planet by making more sustainable choices with Polycheck as your guide. **Disclaimer:** The information provided by Polycheck is intended for informational purposes and should not replace professional medical or environmental advice. **Subscription Required** Enjoy unlimited scanning and in-depth analysis with a subscription to Polycheck. A subscription is required for continued use of Polycheck. For inquiries, feel free to contact us at: team@renaissanceapps.com **Explore Our Policies:** - Terms of Use: https://renaissanceapps.com/terms-conditions - Privacy Policy: https://renaissanceapps.com/privacy-policy

About

Heavyday

Features
Read full description

Heavyday is a gym training app for people who lift. PLANS THAT FIT YOUR WEEK 13 coach-written plans, from a first-week full body to a six-day split. Answer four questions and start the right one today. Chest on Monday, back on Tuesday: the classic split is the default. LOG EVERY SET Weight, reps and rest for every set. The rest timer starts itself when a set is done and keeps counting with the phone locked. Records are marked the moment you beat them. EVERY MOVEMENT, SHOWN RIGHT 412 movements shown at gym speed, with the working muscles lit up. Setup, cues, tempo and the mistakes coaches see most. Slow motion at half and quarter speed. Save clips offline and train without signal. PROGRESS YOU CAN SEE Weekly volume, personal records, push/pull/legs balance and body weight, on one screen. No account. No ads. No tracking. Your training stays on your phone. Heavyday Pro is a subscription: weekly, monthly or yearly; the yearly plan starts with a 3-day free trial. Cancel anytime. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://androidpoet.dev/apps/heavyday/privacy

Screenshots

Polycheck4 screens
Heavyday4 screens

Verdict

The call

Polycheck and Heavyday are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Polycheck sells 2 in-app purchases, starting at $3.99 per month and Heavyday sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Polycheck ships an update every 5 days, Heavyday every 3 days. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

ScorecardNo meaningful differences
Polycheck versus Heavyday: the parameters behind the verdict, then further details
ParameterPolycheckHeavyday
PriceFreeFree
Rating4.1 (8 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings8 — better—
Update frequencyEvery 5 daysEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscription—
DevicesiPhone, iPad — betteriPhone
Requires iOS16.0 — better17.0
Further details — not scored
Size21 MB51 MB
Age rating4+4+
DeveloperRenaissance Apps LLCRanbir Singh

In-app purchases

2 purchases

Polycheck

Subscriptions2
  • Plastic AI Monthly Sub3 Days trial$3.991 Month
  • Plastic AI Annual Sub$24.991 Year
3 purchases

Heavyday

Subscriptions3
  • Weekly$4.997 Days
  • Monthly$9.991 Month
  • Yearly3 Days trial$49.991 Year

Questions

Is Polycheck free?
Polycheck is free to download, with in-app purchases available.
Is Heavyday free?
Heavyday is free to download, with in-app purchases available.
Do Polycheck or Heavyday have ads?
Neither Polycheck nor Heavyday shows ads.
Which is updated more often, Polycheck or Heavyday?
Polycheck ships an update every 5 days, and Heavyday every 3 days. Most recently, Polycheck was updated on October 24, 2026 and Heavyday on October 9, 2026.

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