PlasticList vs Custom Rings
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PlasticList
This app analyzes plastic chemical contaminants found in food products within the Bay Area. It provides detailed information on the types and levels of plastic contamination detected. Users can access data to understand potential health impacts.
- Plastic contaminant analysis
- Bay Area food product data
- Chemical contaminant information
- Health impact insights
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Analysis of Plastic Chemical Contaminants in Bay Area Food Products
Custom Rings
Create and track custom daily goals beyond standard activity metrics. Organize them into sets, sync with Apple Health, and compete with friends. Offers reminders, history, and streaks for motivation.
- Customizable goal rings
- Auto-tracking from Apple Health
- Session clusters for manual counters
- Scheduled rings for specific days
- Social sharing and challenges
- Apple Watch support
- Home and Lock Screen widgets
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Build activity rings for anything that matters—not just Move, Exercise, and Stand. Custom Rings turns fitness goals, habits, focus sessions, reading, hydration, and daily routines into rings you can see, close, and keep going. Track manually, auto-track from Apple Health, or log right from your widgets and Apple Watch. YOUR RINGS. YOUR RULES. Create up to five rings in each cluster, with your own name, unit, target, schedule, and color. Swipe between fitness, productivity, wellness, and any other setup you invent. AUTO-TRACK FROM APPLE HEALTH Connect rings to steps, active calories, exercise minutes, stand hours, walking distance, flights climbed, sleep, water, and time in daylight. Raw Health samples are processed on your device. IPHONE, WIDGETS & APPLE WATCH See nested rings on your Home Screen, put a ring on your Lock Screen, or use Quick Track to log progress without opening the app. View and update rings from Apple Watch and add progress to supported watch faces. HISTORY THAT CATCHES UP Health-linked rings can restore missed days when you return, so you do not have to open the app every day to preserve auto-tracked history. See streaks, milestone badges, calendar heat maps, and 7-day or 30-day charts. Export your history to CSV at any time. SESSION CLUSTERS Track counters that do not reset at midnight: workout sets, board-game life totals, card-game scores, or anything session-based. Choose starting values, go negative, reset all at once, and undo an accidental reset. BETTER WITH FRIENDS Sign in with Apple to add friends and share only the rings you choose. See daily progress, send nudges, and compete in 1-, 3-, 7-, 14-, or 30-day challenges. Recurring seasons keep friendly rivalries going. FREE • One cluster with up to five rings • Up to three friends • All auto-track types • Session clusters and scheduled rings • Reminders, widgets, Siri, and Watch complications PRO — ONE-TIME PURCHASE • Unlimited clusters • Unlimited friends • Challenges and recurring seasons • Nudges • Full history No subscription. No ads. Your rings, your goals, your pace. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: PlasticList at none against Custom Rings's 1. PlasticList also leads on rating (5.0 vs 4.8) and iOS requirement (15.1 vs 17.0). Custom Rings's advantage is update cadence (every 3 days vs every 3 weeks) and ratings volume (4 vs 1). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Custom Rings sells 1 one-off in-app purchase. PlasticList asks for nothing beyond the download.
PlasticList holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 1 and 4 respectively.
PlasticList ships an update every 3 weeks, Custom Rings every 3 days. The most recent releases landed on September 9, 2026 and September 15, 2026 respectively.
| Parameter | PlasticList | Custom Rings |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.8 (4 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 3 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, Apple Watch |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 20 MB | 8 MB |
| Age rating | 4+ | 12+ |
| Developer | Arif Ali | Christopher DAdamo |
Customer experience
PlasticList
Custom Rings
In-app purchases
PlasticList
No in-app purchases
Custom Rings
- Custom Rings Pro$2.99
