# Class Rate vs Professor Index

The clearest difference is in-app purchases: Professor Index at none against Class Rate's 1. Professor Index also leads on iOS requirement (13.0 vs 15.5). Class Rate's advantage is update cadence (every 2 weeks vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Class Rate sells 1 in-app purchase, starting at $2.99 per year. Professor Index asks for nothing beyond the download.

Class Rate ships an update every 2 weeks, Professor Index monthly. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Class Rate | Professor Index |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (59 ratings)](https://appshunter.io/ios/app/professor-index/id6476449470/reviews)** |
| Number of ratings | — | **59** |
| Positive reviews | — | 88.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | — | Free |
| Size | 101 MB | 57 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [ceyda bulak](https://appshunter.io/developer/1852316171) | [Professor Index, LLC](https://appshunter.io/developer/1725377550) |

## What reviewers say

### Class Rate

[App page](https://appshunter.io/ios/app/class-rate-student-scoring/id1642220939)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard Subscription | $2.99 | per year |


### 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 Class Rate free?

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

### Is Professor Index free?

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

### Do Class Rate or Professor Index have ads?

Neither Class Rate nor Professor Index shows ads.

### Which is updated more often, Class Rate or Professor Index?

Class Rate ships an update every 2 weeks, and Professor Index monthly. Most recently, Class Rate was updated on October 25, 2026 and Professor Index on October 21, 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.*