Transparency Harm Reduction vs Fathom
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Transparency Harm Reduction
This AI-powered app offers immediate guidance for substance testing, featuring a database of reaction videos and advice on kit usage. It aims to make substance testing accessible and easy with expert-backed information.
- AI-powered substance testing guidance
- Database of over 1,100 lab-verified reaction videos
- Instructions on how to test substances
- Test kit recommendations
- Access to testing guides and help
- Direct links to purchase test kits
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Harnessing the power of AI technology, Transparency has taken the last 10 years and 10,000+ hours of research to provide a cutting-edge, versatile, and accessible harm reduction resource right from your phone. With the Transparency App, you’ll get immediate guidance for any substance you may be testing, access to our robust database of reaction videos, advice on which kit to use and how, and help learning how to test a specific substance. We’ve formulated this AI-powered app with our experience working with you over the last decade, to help make testing any substance as easy as possible. Download today for free to have this superior harm reduction guide at your fingertips. App Features: Watch Over 1,100 Lab-Verified Spot Kit Video Reactions Learn “How to Test” Your Substance Find Test Kit Recommendations Access Our Testing Guide and Test Kit Help Get Test Kits and Strips for Your Substance GET TEST KITS: BunkPolice.com CHECK OUT OUR UPCOMING PROJECTS: InfiniteTransparency.com SEND IN A SAMPLE FOR LAB TESTING: TransparencyTesting.com
Fathom
Explore great thinkers and philosophies with bite-sized lessons. Understand complex ideas with elegant visuals and build a daily habit of learning. Access over 50 learning paths on diverse philosophical topics.
- Daily philosophy habit building
- Bite-sized lessons (under 2 minutes)
- Elegant visual explanations
- 50+ learning paths
- Save and review insights
- Set learning goals
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Fathom is your guide to the world's most great thinkers and philosophies. - Build your foundational knowledge in one of humanity’s original disciplines. From Socrates to Descartes and from Buddhism to Existentialism take the time to truly understand how some of the world’s wisest people think. - Understand complex concepts quickly, with elegant visuals that clarify key ideas and help you stay focused. - Learn on your schedule. Knock out a lesson in two minutes or less, in bite-sized sessions designed to fit into your week no matter what life throws your way. - Set a learning goal and embark on a multi lesson learning paths into specific philosophies and philosophers - Actually refer back to wisdom when you need it most. Save and review the insights and visuals that matter most to you Explore our rapidly expanding catalog, featuring 50+ learning paths such as: -Buddhist Wisdom for Anxious Minds -Socrates and Plato -Aristotle -Hedonism, Cynicism, Stoicism -Utilitarianism and Kantian Ethics -Kant’s Epistemology -Kierkegaard -Feminist Philosophy and Perspectives on Power -Camus ...and much more! -- SUBSCRIPTION PRICING AND TERMS: Fathom offers an auto-renewing yearly subscription and an auto-renewing monthly subscription which allows you full access to all of the content in our catalog for as long as you maintain an active subscription. These prices are for United States customers. Pricing in other countries may vary and actual charges may be converted to your local currency depending on your country. Payment will be charged to the credit card connected to your iTunes account at the time of initial subscription purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current subscription period. Your account will be charged for renewal within 24 hours prior to the end of the current period end date, and the cost of the renewal will be listed. You can manage your subscription and auto-renewal can be turned off by going to your Account Settings after the purchase. Read more about our Privacy Policy here: https://tinyurl.com/4a5p4z8b Read more about our Terms of Service here: https://tinyurl.com/xnmcrbvp
Screenshots
Verdict
The clearest difference is rating: Fathom at 4.8 against Transparency Harm Reduction's 3.7. Fathom also leads on ratings volume (508 vs 6) and update cadence (weekly vs every 3 weeks). Transparency Harm Reduction's advantage is in-app purchases (none vs 8) and ads (none vs shown). On price, device support and iOS requirement 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. Fathom sells 8 in-app purchases, starting at $6.99 per month. Transparency Harm Reduction asks for nothing beyond the download.
Fathom holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: Fathom has 508 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 60% of Transparency Harm Reduction's written reviews are positive against 69% of Fathom's.
Transparency Harm Reduction ships an update every 3 weeks, Fathom weekly. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.
| Parameter | Transparency Harm Reduction | Fathom |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (6 ratings) | 4.8 (508 ratings) — better |
| Positive reviews | 60.0% of reviews | 69.0% of reviews — better |
| Number of ratings | 6 | 508 — better |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Subscription |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 3 MB | 191 MB |
| Age rating | 17+ | 12+ |
| Developer | Infinite Transparency | Polywise, Inc. |
Customer experience
Transparency Harm Reduction
Fathom
Bugs and requests
Transparency Harm Reduction
Not enough reviews yet to summarise bugs or requests.
Fathom
Reported bugs
2 issues- Unexpected charges during free trial period
- Potential issues with app functionality and compatibility
Requested features
3 requests- Option to customize or revisit philosopher selections
- More information about the app's algorithm and learning progression
- Ability to explore a wider range of philosophical perspectives
In-app purchases
Transparency Harm Reduction
No in-app purchases
Fathom
- Monthly Subscription$6.991 Month
- Premium Monthly Subscription$12.991 Month
- Yearly Subscription (no trial)$49.991 Year
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- Yearly Subscription7 Days trial$49.991 Year
- Yearly Subscription (Premium)7 Days trial$59.991 Year
- Yearly Access Premium No Trial$59.991 Year
- Yearly Sub Premium No Trial$69.991 Year
- Yearly Subscription Premium7 Days trial$69.991 Year
Questions
Is Transparency Harm Reduction free?
Is Fathom free?
Which has better reviews, Transparency Harm Reduction or Fathom?
Do Transparency Harm Reduction or Fathom have ads?
Which is updated more often, Transparency Harm Reduction or Fathom?
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