# UC Davis Mobile App vs Codon

The clearest difference is rating: Codon at 5.0 against UC Davis Mobile App's 2.3. UC Davis Mobile App's advantage is in-app purchases (none vs 1) and ratings volume (4 vs 1). On price, update cadence, ads and device support there is nothing between them.

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

Codon holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

UC Davis Mobile App ships an update every 3 weeks, Codon monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | UC Davis Mobile App | Codon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (4 ratings)](https://appshunter.io/ios/app/uc-davis-mobile-app/id6756085834/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/codon-learn-biology/id6796637767/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 70 MB | 6 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [University of California, Davis](https://appshunter.io/developer/356519286) | [OMAR DANIEL GRAZIANO](https://appshunter.io/developer/1896485759) |

## What reviewers say

### UC Davis Mobile App

[App page](https://appshunter.io/ios/app/uc-davis-mobile-app/id6756085834)

This official university app simplifies campus life for students and staff. Access real-time transportation schedules and essential campus resources directly from your mobile device.

**Highlights:** Real-time Unitrans schedules, Campus resources access, Student and staff focused, Official university app

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

**In-app purchases:** none


### 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 UC Davis Mobile App free?

UC Davis Mobile App 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, UC Davis Mobile App or Codon?

Codon is rated higher. UC Davis Mobile App averages 2.3 out of 5 from 4 ratings, while Codon averages 5.0 from 1 ratings.

### Do UC Davis Mobile App or Codon have ads?

Neither UC Davis Mobile App nor Codon shows ads.

### Which is updated more often, UC Davis Mobile App or Codon?

UC Davis Mobile App ships an update every 3 weeks, and Codon monthly. Most recently, UC Davis Mobile App was updated on October 24, 2026 and Codon 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.*