# Corq vs Codon

The clearest difference is rating: Codon at 5.0 against Corq's 2.7. Codon also leads on update cadence (every 10 days vs every 3 weeks). Corq's advantage is in-app purchases (none vs 1) and ratings volume (217 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Codon sells 1 one-off in-app purchase. Corq asks for nothing beyond the download.

Codon holds the better App Store score, 5.0 against 2.7. That said, the two scores are not equally well evidenced: Corq has 217 ratings behind it against 1, so its average is the more settled of the two.

Corq ships an update every 3 weeks, Codon every 10 days. The most recent releases landed on October 21, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Corq | Codon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (217 ratings)](https://appshunter.io/ios/app/corq/id940682997/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/codon-learn-biology/id6796637767/reviews)** |
| Number of ratings | **217** | 1 |
| Positive reviews | 20.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 21 MB | 5 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Campus Labs, Inc.](https://appshunter.io/developer/320512904) | [OMAR DANIEL GRAZIANO](https://appshunter.io/developer/1896485759) |

## What reviewers say

### Corq

[App page](https://appshunter.io/ios/app/corq/id940682997)

Discover campus events, explore student organizations, and stay connected to campus life. Easily find communities and access your event pass for seamless check-ins.

**Highlights:** Discover campus events, Explore student organizations, Access Event Pass QR code, Save Event Pass to digital wallet, Stay connected to campus life

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Works well at UMass Lowell
- 👍 Perfectly functional
- 👍 Saved my marriage
- 👍 Incredible product
- 👍 Saved my life

**What reviewers complain about**

- 🐛 Terrible loading times
- 🐛 Unusable after update
- 🐛 Difficult UI
- 🐛 Events not showing
- 🐛 Can't find anything

**Reported bugs**

- App takes too long to load
- App does not load at all
- App is unusable after update
- New UI is harder to use
- Cannot find event times

**Requested features**

- Revert UI to old version
- Add link to Google Calendar
- Background notifications for events
- Allow organizations to add events
- Implement RSVP and check-in features


### Codon

[App page](https://appshunter.io/ios/app/codon-learn-biology/id6796637767)

Master biology from molecules to ecosystems with a comprehensive, offline curriculum. Explore 100 lessons, researcher profiles, and landmark experiments. Learn mechanisms and track progress with spaced repetition and interactive quizzes.

**Highlights:** Offline biology curriculum, 100 lessons with narration, Researcher profiles, Interactive quizzes with explanations, Spaced repetition learning, Offline access, no account needed, Home screen widgets

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Codon Full Access | $9.99 | one-time |


## Frequently asked questions

### Is Corq free?

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

### Is Codon free?

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

### Which has better reviews, Corq or Codon?

Codon is rated higher. Corq averages 2.7 out of 5 from 217 ratings, while Codon averages 5.0 from 1 ratings.

### Do Corq or Codon have ads?

Neither Corq nor Codon shows ads.

### Which is updated more often, Corq or Codon?

Corq ships an update every 3 weeks, and Codon every 10 days. Most recently, Corq was updated on October 21, 2026 and Codon on October 19, 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.*