# CollegeData vs Professor Index

The clearest difference is rating: Professor Index at 4.5 against CollegeData's 3.3. Professor Index also leads on monetization model (free vs ad-supported) and ratings volume (59 vs 6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Professor Index holds the better App Store score, 4.5 against 3.3. That said, the two scores are not equally well evidenced: Professor Index has 59 ratings behind it against 6, so its average is the more settled of the two.

CollegeData ships an update every 2 months, Professor Index monthly. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | CollegeData | Professor Index |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (6 ratings)](https://appshunter.io/ios/app/collegedata/id1444423749/reviews) | **[4.5 (59 ratings)](https://appshunter.io/ios/app/professor-index/id6476449470/reviews)** |
| Number of ratings | 6 | **59** |
| Positive reviews | — | 88.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Ad-supported | **Free** |
| Size | 29 MB | 57 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [1st Financial Bank USA](https://appshunter.io/developer/1117952359) | [Professor Index, LLC](https://appshunter.io/developer/1725377550) |

## What reviewers say

### CollegeData

[App page](https://appshunter.io/ios/app/collegedata/id1444423749)

This app helps students research and compare colleges, estimate admission chances, and find scholarships. It provides tools to track deadlines, academic credentials, and build a college resume for informed decision-making.

**Highlights:** College search and comparison, Admission chance calculator, Scholarship finder, Application deadline tracker, Personalized dashboard, Financial aid information

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

**In-app purchases:** none


### Professor Index

[App page](https://appshunter.io/ios/app/professor-index/id6476449470)

This app allows college students to rate and review professors and courses, providing insights into teaching effectiveness and course relevance. Students can compare professor profiles and make informed enrollment decisions based on peer feedback.

**Highlights:** Rate and review professors, Get feedback on future professors, Compare professor profiles, Make data-informed enrollment decisions, Gamified review incentives

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CollegeData free?

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

### Is Professor Index free?

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

### Which has better reviews, CollegeData or Professor Index?

Professor Index is rated higher. CollegeData averages 3.3 out of 5 from 6 ratings, while Professor Index averages 4.5 from 59 ratings.

### Do CollegeData or Professor Index have ads?

Neither CollegeData nor Professor Index shows ads.

### Which is updated more often, CollegeData or Professor Index?

CollegeData ships an update every 2 months, and Professor Index monthly. Most recently, CollegeData was updated on October 24, 2026 and Professor Index on October 30, 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.*