# Transparency Harm Reduction vs Lumis

The clearest difference is rating: Lumis at 5.0 against Transparency Harm Reduction's 3.7. Lumis also leads on review sentiment (100% vs 60%). Transparency Harm Reduction's advantage is in-app purchases (none vs 2) and iOS requirement (17.0 vs 26.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Lumis sells 2 in-app purchases, starting at $8.99 per month. Transparency Harm Reduction asks for nothing beyond the download.

Lumis holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 6 and 5 respectively. Written reviews point the same way: 60% of Transparency Harm Reduction's written reviews are positive against 100% of Lumis's.

## The numbers

| Metric | Transparency Harm Reduction | Lumis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (6 ratings)](https://appshunter.io/ios/app/transparency-harm-reduction/id6504291757/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/lumis-syllabus-study-planner/id6803194900/reviews)** |
| Number of ratings | **6** | 5 |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | **Free** | Freemium |
| Size | 3 MB | 4 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Infinite Transparency](https://appshunter.io/developer/1751743572) | [Coral Code LLC](https://appshunter.io/developer/6803194902) |

## What reviewers say

### Transparency Harm Reduction

[App page](https://appshunter.io/ios/app/transparency-harm-reduction/id6504291757)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Lumis

[App page](https://appshunter.io/ios/app/lumis-syllabus-study-planner/id6803194900)

This app automatically schedules assignments, exams, and due dates from your uploaded syllabus. It generates personalized study guides, flashcards, and practice questions based on your course material and offers an AI assistant to answer questions about your classes.

**Highlights:** Automatic syllabus parsing and scheduling, AI-generated study guides and flashcards, Course-specific AI assistant, Focus timer and grade tracking, Home screen widget for upcoming tasks, Multiple syllabus upload formats

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lumis Premium Monthly | $8.99 | per month |
| Lumis Premium Yearly | $79.99 | per year |


## Frequently asked questions

### Is Transparency Harm Reduction free?

Transparency Harm Reduction is free to download, with no in-app purchases.

### Is Lumis free?

Lumis is free to download, with in-app purchases available.

### Which has better reviews, Transparency Harm Reduction or Lumis?

Lumis is rated higher. Transparency Harm Reduction averages 3.7 out of 5 from 6 ratings, while Lumis averages 5.0 from 5 ratings.

### Do Transparency Harm Reduction or Lumis have ads?

Neither Transparency Harm Reduction nor Lumis shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*