# Fathom vs Rapid Response Tx

The clearest difference is in-app purchases: Rapid Response Tx at none against Fathom's 8. Rapid Response Tx also leads on ads (none vs shown) and review sentiment (100% vs 69%). Fathom's advantage is ratings volume (503 vs 1) and iOS requirement (17.0 vs 26.2). On price and device support there is nothing between them.

Both are free to download. Fathom sells 8 in-app purchases, starting at $6.99 per month. Rapid Response Tx asks for nothing beyond the download.

Rapid Response Tx holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Fathom has 503 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 69% of Fathom's written reviews are positive against 100% of Rapid Response Tx's.

Fathom ships an update weekly, Rapid Response Tx every 2 days. The most recent releases landed on October 16, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Fathom | Rapid Response Tx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (503 ratings)](https://appshunter.io/ios/app/fathom-learn-philosophy/id6742149252/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rapid-response-tx/id6761060781/reviews)** |
| Number of ratings | **503** | 1 |
| Positive reviews | 69.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Subscription | **Free** |
| Size | 191 MB | 13 MB |
| Requires iOS | **17.0** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Polywise, Inc.](https://appshunter.io/developer/1437286958) | [Andrew McGowan](https://appshunter.io/developer/1887571952) |

## What reviewers say

### Fathom

[App page](https://appshunter.io/ios/app/fathom-learn-philosophy/id6742149252)

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.

**Highlights:** Daily philosophy habit building, Bite-sized lessons (under 2 minutes), Elegant visual explanations, 50+ learning paths, Save and review insights, Set learning goals

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $6.99 | per month |
| Premium Monthly Subscription | $12.99 | per month |
| Yearly Subscription (no trial) | $49.99 | per year |
| Yearly Subscription | $49.99 | per year |
| Yearly Subscription (Premium) | $59.99 | per year |
| Yearly Access Premium No Trial | $59.99 | per year |
| Yearly Sub Premium No Trial | $69.99 | per year |
| Yearly Subscription Premium | $69.99 | per year |

**What reviewers like**

- 👍 Engaging and interactive lessons
- 🎨 Visually appealing and informative
- 🧠 Helps develop critical thinking skills
- 🔍 Broad range of philosophical topics covered

**What reviewers complain about**

- 💰 Subscription-based model with limited free trial
- 🤔 Some questions felt leading rather than open-ended
- 🕰️ Lack of flexibility to revisit initial philosopher selections

**Reported bugs**

- Unexpected charges during free trial period
- Potential issues with app functionality and compatibility

**Requested features**

- 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


### Rapid Response Tx

[App page](https://appshunter.io/ios/app/rapid-response-tx/id6761060781)

This educational tool helps clinicians practice managing deteriorating patients. It focuses on rapid assessment, stabilization, and immediate management strategies during critical events. Designed for learning and informational purposes only.

**Highlights:** Stabilization strategies, Focused patient assessment, Key data review, Immediate management guidance, Educational tool for clinicians

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

**In-app purchases:** none


## Frequently asked questions

### Is Fathom free?

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

### Is Rapid Response Tx free?

Rapid Response Tx is free to download, with no in-app purchases.

### Which has better reviews, Fathom or Rapid Response Tx?

Rapid Response Tx is rated higher. Fathom averages 4.8 out of 5 from 503 ratings, while Rapid Response Tx averages 5.0 from 1 ratings.

### Do Fathom or Rapid Response Tx have ads?

Fathom shows ads; Rapid Response Tx does not.

### Which is updated more often, Fathom or Rapid Response Tx?

Fathom ships an update weekly, and Rapid Response Tx every 2 days. Most recently, Fathom was updated on October 16, 2026 and Rapid Response Tx on October 15, 2026.

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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.*