BPHistory vs ChemZero
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BPHistory
Easily record and visualize your blood pressure and heart rate readings. Track your history with scrollable lists and line charts, and share your data via PDF. Your health information is securely stored only on your device.
- Record blood pressure and heart rate readings
- View history as a scrollable list
- Visualize readings with a line chart
- Share readings via PDF
- Local data storage for privacy
- No account or web login required
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BPHistory makes it easy to create a list of your blood pressure and heart rate readings. You can see the history of your readings as scrollable list or a scrollable line chart. You can use BPHistory to share your readings via a PDF file. BPHistory protects your health data and only stores the data on your device. BPHistory. uses no advertising or tracking of any kind and you don't need to create any kind of web account to use BP History. BP History does not take your blood pressure or heart rate but is designed as an easy way to create a record of BP Readings in one place regardless of the source of the readings.
ChemZero
This app helps you identify and avoid harmful ingredients in everyday products. It uses AI to scan barcodes or photos, providing a Longevity Score and suggesting healthier alternatives for food, cosmetics, and household items.
- PFAS & Microplastic Detection
- Seed Oil & Processed Food Scanner
- Longevity Index scoring
- AI Ingredient Checker
- Healthy Alternatives recommendations
- Barcode & Photo Scan
- Safety Alerts
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ChemZero: Ingredient Scanner Live longer, live cleaner. ChemZero is the all-in-one food and product scanner that detects hidden toxins like PFAS (forever chemicals), microplastics, seed oils, and other harmful ingredients. Instantly check your food and household products with our AI-powered ingredient checker and Longevity Score. Why Choose ChemZero? Most products hide risks in their ingredients and packaging. ChemZero makes it simple to scan, score, and swap for healthier, toxin-free choices. PFAS & Microplastic Detection - Find hidden forever chemicals, nanoplastics, and toxins in food, cosmetics, and daily products. Seed Oil & Processed Food Scanner - Instantly detect canola oil, processed food additives, and other harmful ingredients. Longevity Index - See how each product affects your long-term health and nutrition. AI Ingredient Checker - Scan food, beauty, and personal care products with our AI product scanner for clean ingredients. Healthy Alternatives - Get safer, anti-inflammatory swaps recommended by AI. Barcode & Photo Scan - Use the barcode scanner or snap a photo to check ingredients in seconds. Multi-Category Scanning - Covers food, water and more. Safety Alerts - Stay informed with recalls, lawsuits, and poison control-level updates. What You Can Scan ChemZero works as a: • Food ingredients scanner • Ingredient checker for cosmetics and skincare • Nutrition and food tracker for clean eating • Allergy scanner (gluten free, sugar, seed oil, and more) • General product checker for toxic products How It Works Open the app and scan a barcode or take a product photo. Instantly see ingredient risks, Longevity Score, and toxicity levels. Get safer, clean ingredient alternatives tailored to your lifestyle. ChemZero is more than a food scanner - it’s your AI health detector for toxic products, forever chemicals, and processed food ingredients. Build healthier habits, reduce toxins, and live longer. Subscription: • You can subscribe to get unlimited access to certain app features. • Subscriptions are billed automatically at the rate depending on the selected subscription plan. Privacy & Terms By using ChemZero, you agree to our Privacy Policy and Terms. https://chemzeroapp.com/privacy-policy/ https://chemzeroapp.com/terms-of-use/
Screenshots
Verdict
The clearest difference is rating: BPHistory at 5.0 against ChemZero's 4.4. BPHistory also leads on in-app purchases (none vs 7). ChemZero's advantage is update cadence (every 9 days vs every 11 months) and ratings volume (93 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. ChemZero sells 7 in-app purchases, starting at $7.99 per 7 days. BPHistory asks for nothing beyond the download.
BPHistory holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: ChemZero has 93 ratings behind it against 1, so its average is the more settled of the two.
BPHistory ships an update every 11 months, ChemZero every 9 days. The most recent releases landed on October 18, 2026 and October 25, 2026 respectively.
| Parameter | BPHistory | ChemZero |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.4 (93 ratings) |
| Positive reviews | — | 61.1% of reviews |
| Number of ratings | 1 | 93 — better |
| Update frequency | Every 11 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Subscription |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.5 | 16.6 — better |
| Further details — not scored | ||
| Size | 3 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | Tom Vollmer | Clean Product Scanner LLC |
Customer experience
BPHistory
ChemZero
In-app purchases
BPHistory
No in-app purchases
ChemZero
- ChemZero: Weekly Access$7.997 Days
- ChemZero: Weekly Access3 Days trial$7.997 Days
- ChemZero: Weekly Access3 Days trial$9.997 Days
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- ChemZero Yearly 50$19.991 Year
- ChemZero Yearly Access3 Days trial$39.991 Year
- ChemZero: Yearly Access$39.991 Year
- Lifetime Access$79.99
Questions
Is BPHistory free?
Is ChemZero free?
Which has better reviews, BPHistory or ChemZero?
Do BPHistory or ChemZero have ads?
Which is updated more often, BPHistory or ChemZero?
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