# Professor Index vs Chrom

The clearest difference is rating: Chrom at 5.0 against Professor Index's 4.5. Chrom also leads on update cadence (daily vs monthly) and review sentiment (100% vs 88%). Professor Index's advantage is ratings volume (59 vs 3) and device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Chrom holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Professor Index has 59 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 88% of Professor Index's written reviews are positive against 100% of Chrom's.

Professor Index ships an update monthly, Chrom daily. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Professor Index | Chrom |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (59 ratings)](https://appshunter.io/ios/app/professor-index/id6476449470/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/chrom/id6547835066/reviews)** |
| Number of ratings | **59** | 3 |
| Positive reviews | 88.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | Free | Free |
| Size | 57 MB | 1 MB |
| Requires iOS | **13.0** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Professor Index, LLC](https://appshunter.io/developer/1725377550) | [Syam Shukla](https://appshunter.io/developer/1757527238) |

## What reviewers say

### 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


### Chrom

[App page](https://appshunter.io/ios/app/chrom/id6547835066)

A color-guessing game where you swipe and guess to test your knowledge. It offers an interactive and engaging experience, similar to a dating app but focused on colors.

**Highlights:** Color guessing challenges, Swipe-to-win mechanics, Interactive learning experience, Test color knowledge, Engaging gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Professor Index free?

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

### Is Chrom free?

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

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

Chrom is rated higher. Professor Index averages 4.5 out of 5 from 59 ratings, while Chrom averages 5.0 from 3 ratings.

### Do Professor Index or Chrom have ads?

Neither Professor Index nor Chrom shows ads.

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

Professor Index ships an update monthly, and Chrom daily. Most recently, Professor Index was updated on October 21, 2026 and Chrom on October 24, 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.*