Corq vs Codon
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Corq
Discover campus events, explore student organizations, and stay connected to campus life. Easily find communities and access your event pass for seamless check-ins.
- Discover campus events
- Explore student organizations
- Access Event Pass QR code
- Save Event Pass to digital wallet
- Stay connected to campus life
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Corq — Your Campus, Connected Discover what’s happening on campus, explore student organizations, and stay connected to the experiences that matter most—all from your phone. Powered by Engage, Corq makes it easy for students to find events, join organizations, and participate in campus life. What you can do with Corq * Discover campus events happening today, this week, or anytime. * Explore clubs and organizations to find communities that match your interests. * Access your Event Pass QR code instantly from the home screen. * Save your Event Pass to your digital wallet for fast, seamless check-ins. Stay in the loop. Find your community. Show up with confidence. Welcome to Corq.
Codon
Explore biology from molecules to ecosystems with 100 structured lessons. Features include quizzes, researcher profiles, and landmark experiments. Study offline with bundled content and track progress with flashcards and notes.
- 100 structured biology lessons
- Researcher profiles and glossary
- Quizzes with explanations
- Spaced-review flashcards
- Offline study capabilities
- Home screen widgets
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Codon is a structured biology study course with 100 lessons covering cells and molecules, inheritance, evolution, ecology, organisms and physiology. It teaches mechanisms and evidence without presenting the course as a university degree or medical advice. WHAT IS INSIDE 100 lessons with estimated reading times and on-device narration 82 researcher profiles 735 glossary entries 20 quizzes with answer explanations 18 landmark experiments Spaced-review flashcards, bookmarks and notes Three Home Screen widgets: a source idea, a term and a figure FREE AND FULL ACCESS The first ten lessons are free. A one-time Full Access purchase opens the other 90 lessons. The current price for your App Store region is shown in the app before purchase. No subscription or app account is required. OFFLINE STUDY Lessons, profiles, glossary entries, quizzes and case studies are bundled for offline reading. Loading a purchase, buying or restoring Full Access, and opening external reference or support links may require a network connection.
Screenshots
Verdict
The clearest difference is rating: Codon at 5.0 against Corq's 2.9. Corq's advantage is in-app purchases (none vs 1) and ratings volume (240 vs 1). On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 2.9. That said, the two scores are not equally well evidenced: Corq has 240 ratings behind it against 1, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 11, 2026 and November 10, 2026 respectively.
| Parameter | Corq | Codon |
|---|---|---|
| Price | Free | Free |
| Rating | 2.9 (240 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 20.5% of reviews | — |
| Number of ratings | 240 — better | 1 |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 21 MB | 6 MB |
| Age rating | 4+ | 12+ |
| Developer | Campus Labs, Inc. | OMAR DANIEL GRAZIANO |
Customer experience
Corq
Codon
Bugs and requests
Corq
Reported bugs
61 issues- 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
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- Missed university events due to UI
- Events not showing up
- Dates are messed up
- Shows past events when filtered
- Only a fraction of events displayed
- Cannot check 'my events'
- Difficult to find future events
- Manually select date range
- Events are large
- Filters not working correctly
- Cannot search upcoming events more than a day in advance
- Does not show events more than a few days in advance
- Cannot view times without clicking
- Upcoming events from years ago
- Events displayed as blocky images
- Stock photos used for events
- Cannot see 'your events' tab
- App is less functional
- Errors constantly
- Subscribed to random calendars without permission
- Malware
- Logged out frequently
- Cannot log back in after being logged out
- App won't show campus events
- App is super slow
- Event info is incorrect
- Deceitful event listings
- App is glitchy
- App crashes easily
- App won't start
- App crashes after 2 minutes
- Unexpected error code 6001 2500
- App crashes when opening
- App crashes when trying to type school
- App black screens and exits
- App keeps crashing
- Login feature not fully functional
- Event not listed
- Cannot sign in
- Error message on login/refresh
- No permission to see page
- App freezes on login
- App takes too long to load
- App won't load
- App crashes when there are many events
- Hard to sign up when app crashes
- App is broken
- University not found when searching
- Scrolling resets to the beginning
- App requires update but no update available
- App fails every time on entry
- App is buggy
- App crashes easily
- App won't let me log in
- Blank page on login
- App reloads at the top of the page when scrolling
Requested features
7 requests- 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
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- Allow organizations to see attendee contact info
- Add ability to check lead credit status
Codon
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Corq
No in-app purchases
Codon
- Codon Full Access$9.99
