# Professory vs 6OTDS

The clearest difference is in-app purchases: 6OTDS at none against Professory's 2. 6OTDS also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.1). Professory's advantage is rating (4.3 vs 4.0) and ratings volume (28 vs 2). On price, update cadence and device support there is nothing between them.

Both are free to download. Professory sells 2 in-app purchases, starting at $9.99 per 3 months. 6OTDS asks for nothing beyond the download.

Professory holds the better App Store score, 4.3 against 4.0. That said, the two scores are not equally well evidenced: Professory has 28 ratings behind it against 2, so its average is the more settled of the two.

Professory ships an update fortnightly, 6OTDS every 2 weeks. The most recent releases landed on October 15, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Professory | 6OTDS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (28 ratings)](https://appshunter.io/ios/app/professory/id1048213048/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/6otds/id1491139853/reviews) |
| Number of ratings | **28** | 2 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 91 MB | 39 MB |
| Requires iOS | 15.1 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Abdulaziz Alshamma](https://appshunter.io/developer/999762147) | [Public Authority for Applied education and training](https://appshunter.io/developer/1151495238) |

## What reviewers say

### Professory

[App page](https://appshunter.io/ios/app/professory/id1048213048)

This academic companion helps students make informed decisions about courses and professors through peer reviews. It also features a GPA calculator, a marketplace for used textbooks, and an AI assistant for academic inquiries.

**Highlights:** Rate professors and courses, GPA calculator, Used book marketplace, AI-powered academic assistant, University ratings and reviews, Social timeline for peers

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Month Subscription | $9.99 | per 3 months |
| 12 Month Subscription (10KD) | $24.99 | per year |


### 6OTDS

[App page](https://appshunter.io/ios/app/6otds/id1491139853)

This app facilitates registration for an annual training event, allowing users to track attendance automatically via sensors. It also provides access to accredited certificates, course details, and contact information for lecturers and sponsors.

**Highlights:** Event registration for courses and workshops, Automatic attendance tracking with sensors, Download accredited certificates, View course and speaker information, Connect with lecturers and sponsors, Interactive venue maps

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Professory free?

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

### Is 6OTDS free?

6OTDS is free to download, with no in-app purchases.

### Which has better reviews, Professory or 6OTDS?

Professory is rated higher. Professory averages 4.3 out of 5 from 28 ratings, while 6OTDS averages 4.0 from 2 ratings.

### Do Professory or 6OTDS have ads?

Professory shows ads; 6OTDS does not.

### Which is updated more often, Professory or 6OTDS?

Professory ships an update fortnightly, and 6OTDS every 2 weeks. Most recently, Professory was updated on October 15, 2026 and 6OTDS on October 4, 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.*