# iSearch Science vs CourseTrees

The clearest difference is rating: CourseTrees at 5.0 against iSearch Science's 3.2. CourseTrees also leads on in-app purchases (none vs 8). iSearch Science's advantage is ratings volume (13 vs 1) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. iSearch Science sells 8 in-app purchases, starting at $7.99 per month. CourseTrees asks for nothing beyond the download.

CourseTrees holds the better App Store score, 5.0 against 3.2. That said, the two scores are not equally well evidenced: iSearch Science has 13 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | iSearch Science | CourseTrees |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (13 ratings)](https://appshunter.io/ios/app/isearch-science/id1516874861/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/coursetrees/id6801833465/reviews)** |
| Number of ratings | **13** | 1 |
| Positive reviews | 84.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 39 MB | 11 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Best Surgical Education, LLC](https://appshunter.io/developer/1331613158) | [NOAH BAER FINKELSTEIN](https://appshunter.io/developer/6790465202) |

## What reviewers say

### iSearch Science

[App page](https://appshunter.io/ios/app/isearch-science/id1516874861)

This intelligent research assistant mines the web for studies, automatically refining searches and classifying results by type. It uses AI to identify entities like drugs and diseases, and can summarize content or answer questions about research findings.

**Highlights:** Automated query refinement, Study classification by type, Entity identification (drugs, diseases), AI-powered summarization, Question answering on search results, PDF content analysis

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription - Basic | $7.99 | per month |
| Monthly Subscription-Advanced | $12.99 | per month |
| Yearly Subscription - Basic | $39.99 | per year |
| Yearly Subscription - Advanced | $44.99 | per year |
| Full Access to Mac + iOS | $49.99 | per year |
| Cross Platform + Healthcare | $74.99 | per year |
| iSearch Science,iSearch Biomed | $99.99 | per year |
| Purchase Healthcare API | $24.99 | one-time |


### CourseTrees

[App page](https://appshunter.io/ios/app/coursetrees/id6801833465)

Visualize university course catalogs as interactive graphs. Easily see course prerequisites, plan academic paths, and explore what each course unlocks. Supports 156 universities, simplifying semester planning.

**Highlights:** Interactive course graph, Visualize prerequisites, Plan academic routes, Explore course unlocks, Supports 156 universities

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

**In-app purchases:** none


## Frequently asked questions

### Is iSearch Science free?

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

### Is CourseTrees free?

CourseTrees is free to download, with no in-app purchases.

### Which has better reviews, iSearch Science or CourseTrees?

CourseTrees is rated higher. iSearch Science averages 3.2 out of 5 from 13 ratings, while CourseTrees averages 5.0 from 1 ratings.

### Do iSearch Science or CourseTrees have ads?

Neither iSearch Science nor CourseTrees 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.*