# iCODA 2 vs Duet Display

The clearest difference is review sentiment: iCODA 2 at 100% against Duet Display's 46%. iCODA 2 also leads on rating (5.0 vs 4.4) and in-app purchases (none vs 6). Duet Display's advantage is ratings volume (49K vs 3) and update cadence (every 3 weeks vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Duet Display sells 6 in-app purchases, starting at $3.99 per month. iCODA 2 asks for nothing beyond the download.

iCODA 2 holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Duet Display has 49K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of iCODA 2's written reviews are positive against 46% of Duet Display's.

iCODA 2 ships an update every 2 months, Duet Display every 3 weeks. The most recent releases landed on November 13, 2026 and November 15, 2026 respectively.

## The numbers

| Metric | iCODA 2 | Duet Display |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/icoda-2/id548504789/reviews)** | [4.4 (49K ratings)](https://appshunter.io/ios/app/duet-display/id935754064/reviews) |
| Number of ratings | 3 | **49K** |
| Positive reviews | **100.0% of reviews** | 45.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 19 MB | 59 MB |
| Requires iOS | **6.0** | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Sportstec Limited](https://appshunter.io/developer/311720220) | [Duet, Inc.](https://appshunter.io/developer/935754063) |

## What reviewers say

### iCODA 2

[App page](https://appshunter.io/ios/app/icoda-2/id548504789)

Capture and code live event information directly from your device. Add tags and use live counters for real-time stats and feedback. This tool streamlines data logging for event participants.

**Highlights:** Capture live event information, Code events in real-time, Add tags to live events, Use live counters for stats, Field feedback integration

**In-app purchases:** none


### Duet Display

[App page](https://appshunter.io/ios/app/duet-display/id935754064)

Transform your iPad or iPhone into an advanced, lag-free extra display for your Mac or PC. Interact with your computer using touch and gestures, and unlock professional drawing capabilities with Apple Pencil support.

**Highlights:** Extra display for Mac & PC, Lag-free performance, Touch and gesture support, Apple Pencil integration, Professional drawing tools, Portable productivity

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Duet Starter (Monthly) | $3.99 | per month |
| Duet Air (Monthly) | $5.99 | per month |
| Duet Pro | $7.99 | per month |
| Duet Starter (Annual) | $39.99 | per year |
| Duet Air (Annual) | $49.99 | per year |
| Duet Pro (Annual) | $79.99 | per year |

**What reviewers like**

- 🚀 Works seamlessly as a second screen
- 👍 Useful for productivity and multitasking
- 🎨 Great for artists and designers
- 💻 Extends desktop to iPad
- ⭐ Excellent customer support

**What reviewers complain about**

- 🐛 Connectivity issues and crashes
- 🔋 High battery consumption
- 🔒 Subscription model for full functionality
- 🔍 Confusing setup process
- 💸 Expensive for the features provided

**Reported bugs**

- Incompatibility with certain software and drivers
- Laggy performance and input delays
- Unreliable connection and frequent disconnects

**Requested features**

- Improved resolution and scaling options
- Better support for older devices and Windows
- More customization and control over settings
- Wireless connectivity without subscription


## Frequently asked questions

### Is iCODA 2 free?

iCODA 2 is free to download, with no in-app purchases.

### Is Duet Display free?

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

### Which has better reviews, iCODA 2 or Duet Display?

iCODA 2 is rated higher. iCODA 2 averages 5.0 out of 5 from 3 ratings, while Duet Display averages 4.4 from 49K ratings.

### Do iCODA 2 or Duet Display have ads?

Duet Display shows ads; iCODA 2 does not.

### Which is updated more often, iCODA 2 or Duet Display?

iCODA 2 ships an update every 2 months, and Duet Display every 3 weeks. Most recently, iCODA 2 was updated on November 13, 2026 and Duet Display on November 15, 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.*