# Rate My Prof Combo vs CSUSB Safe

The clearest difference is in-app purchases: CSUSB Safe at none against Rate My Prof Combo's 1. CSUSB Safe also leads on ads (none vs shown) and update cadence (every 10 days vs every 3 months). On price and device support there is nothing between them.

Both are free to download. Rate My Prof Combo sells 1 in-app purchase, starting at $0.99 per month. CSUSB Safe asks for nothing beyond the download.

Rate My Prof Combo ships an update every 3 months, CSUSB Safe every 10 days. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Rate My Prof Combo | CSUSB Safe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.6 (132 ratings)](https://appshunter.io/ios/app/rate-my-prof-combo/id1515034318/reviews)** | — |
| Number of ratings | **132** | — |
| Positive reviews | 4.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 59 MB | 26 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Grematech Communication](https://appshunter.io/developer/727046960) | [California State University, San Bernardino](https://appshunter.io/developer/473101802) |

## What reviewers say

### Rate My Prof Combo

[App page](https://appshunter.io/ios/app/rate-my-prof-combo/id1515034318)

Access and contribute to reviews for professors, courses, and schools from various platforms in a single app. Discover top-ranked colleges and search for institutions in the US. An optional subscription removes ads for a month.

**Highlights:** Read and write professor reviews, Read and write course reviews, Read and write school reviews, View US college rankings, View Europe college rankings, Perform US college search

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Adverts Removal | $0.99 | per month |


### CSUSB Safe

[App page](https://appshunter.io/ios/app/csusb-safe/id1661324246)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rate My Prof Combo free?

Rate My Prof Combo is free to download, with in-app purchases available.

### Is CSUSB Safe free?

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

### Do Rate My Prof Combo or CSUSB Safe have ads?

Rate My Prof Combo shows ads; CSUSB Safe does not.

### Which is updated more often, Rate My Prof Combo or CSUSB Safe?

Rate My Prof Combo ships an update every 3 months, and CSUSB Safe every 10 days. Most recently, Rate My Prof Combo was updated on October 24, 2026 and CSUSB Safe on October 14, 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.*