Chemical Maze vs COPDsoft®
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chemical Maze
Identify potentially harmful food additives and cosmetic ingredients. This app helps you understand risks, symptoms, and dietary impacts, empowering informed choices for better health.
- Browse food additives and cosmetic ingredients
- Search by name or INS number
- User-friendly risk ratings
- Filter by symptoms and ailments
- Filter by dietary restrictions
- Filter by bodily effects
- Identify ingredient sources
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What’s in your Food? What’s in your Cosmetics? Are you at risk? The Chemical Maze – Shopping Companion App has been produced to make it simpler and easier to recognise food additives and cosmetic ingredients having the potential to cause discomfort and ill-health. With this recognition comes freedom of choice and for many a new lease on life. This App is based on the international best-selling book The Chemical Maze with more than 15 years of ongoing research. ▼ Easy to Use: ------------- Easily browse through either Food Additives or Cosmetic Ingredients Search for Additives/Ingredients by name Search for Food Additives by INS number - Example 621 or E621 - MSG User friendly rating codes (smiley, neutral and sad faces) for each Additive/Ingredient Sort by name, number and risk level ▼ Search results for Food Additives and Cosmetic Ingredients the way you want them: ---------------------------------------------------------------- Identify the Risk Levels of each Discover those to avoid based on Dietary Restrictions Identify those that may cause various Symptoms or Ailments Discover which ones Effect different parts of your Body or Systems Find out what they are Derived from ▼ Filter by Symptoms and Ailments : -------------------------------------------------- Acne Aggressive Behavior Allergies Asthma Behavioral Problems Confusion Depression Gastrointestinal Ailments Hay Fever Headache & Migraines Hyperactivity Learning Difficulties Skin Ailments (Eczema, Dermatitis, Itching, Hives, Rash, etc) Sleep Disturbance ▼ Filter by your Dietary Restriction : ------------------------------------------------- Vegetarian Vegan Celiac (Gluten Free) Contains Salicylates Lactose Intolerant ▼ Filter the Effects on your Body: -------------------------------------------- Carcinogenic Cardiovascular System Developmental System Endocrine System Gastrointestinal System and Liver Immune System Kidneys Musculoskeletal system Nervous System Malabsorption Reproductive System Respiratory System ▼ Filter by what they are Derived from: ----------------------------------------------------- Animal Bacteria Fish Gas Insect Mineral Plant Synthetic Genetically Modified (GMO) Petroleum Nano Technology Palm Oil
COPDsoft®
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COPDsoft® is the result of years of academic and practical research and is the only software of its kind. It is intended for use by suitably qualified medical and healthcare professionals and by 'expert' patients under medical advice. It offers consistent, world guideline-based results including: - COPD severity - FEV1 percentage of expected - BMI and BMI interpretation COPD (Chronic Obstructive Pulmonary Disease) is a progressive and currently incurable disease. Patients need constant review and management to ensure quality of life and the best outcomes. To manage this most effectively, data needs to be accurate and consistent. COPDsoft® adopts current worldwide guidelines to ensure that the app conforms to the most recent thresholds for all users. Spirometry is the only effective way to control and monitor individuals. This is then used within COPDsoft®, together with individual lifestyle data to offer the current COPD status, together with any recommendations. IMPORTANT: Any results offered by COPDsoft® do not override professional clinical advice. COPDsoft® does not retain any patient-identifiable data and it does not share any information externally to the app. Citation resources can be found by clicking on the Ref icon in the app.
Screenshots
Verdict
The clearest difference is price: COPDsoft® at $2.99 against Chemical Maze's $6.99. Chemical Maze's advantage is iOS requirement (7.0 vs 14.0). On update cadence, ads, in-app purchases 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
Chemical Maze costs $6.99 and COPDsoft® $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Chemical Maze ships an update every 7 months, COPDsoft® every 11 months. The most recent releases landed on October 29, 2026 and December 9, 2025 respectively.
| Parameter | Chemical Maze | COPDsoft® |
|---|---|---|
| Price | $6.99 | $2.99 — better |
| Rating | 3.6 (5 ratings) — better | — |
| Positive reviews | 63.8% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 7 months — better | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 7.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 2 MB | 3 MB |
| Age rating | 12+ | 17+ |
| Developer | The Chemical Maze Pty Ltd | David WADE |
Bugs and requests
Chemical Maze
Reported bugs
3 issues- App not working on older iOS versions
- App freezing and crashing
- Camera page states barcode scanner is present but it's not in paid version
Requested features
8 requests- Update the app with current chemicals and research
- Add a search feature for finding best alternatives
- Include a barcode scanner
- Improve search functionality (e.g., by symptom)
- Add sorting by safety level, side effects, common uses
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- Group additives by rating (e.g., sad faces together)
- Optimize for retina displays
- Make compatible with iPad
COPDsoft®
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Chemical Maze
No in-app purchases
COPDsoft®
No in-app purchases



