# Kai's Eye Robot Tracker vs 3D

The clearest difference is rating: 3D at 4.9 against Kai's Eye Robot Tracker's 2.3. 3D also leads on review sentiment (100% vs 80%) and ratings volume (9 vs 3). Kai's Eye Robot Tracker's advantage is update cadence (every 6 weeks vs every 5 months) and iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

3D holds the better App Store score, 4.9 against 2.3. Both are backed by a comparable volume of ratings — 3 and 9 respectively. Written reviews point the same way: 80% of Kai's Eye Robot Tracker's written reviews are positive against 100% of 3D's.

Kai's Eye Robot Tracker ships an update every 6 weeks, 3D every 5 months. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Kai's Eye Robot Tracker | 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/kais-eye-robot-tracker/id1488856584/reviews) | **[4.9 (9 ratings)](https://appshunter.io/ios/app/3d-scanner/id6449950944/reviews)** |
| Number of ratings | 3 | **9** |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 5 months |
| Monetization | Free | Free |
| Size | 312 MB | 594 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kai's Education Limited](https://appshunter.io/developer/1460744915) | [Merge Apps](https://appshunter.io/developer/1253049593) |

## What reviewers say

### Kai's Eye Robot Tracker

[App page](https://appshunter.io/ios/app/kais-eye-robot-tracker/id1488856584)

This app allows users to track and code Kai robots on a special mat. It brings coding to life through augmented and virtual reality, enabling users to complete missions and learn programming concepts.

**Highlights:** Track Kai robots on a mat, Code robots to drive, Augmented Reality visualization, Virtual Reality visualization, Complete coding missions

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

**In-app purchases:** none


### 3D

[App page](https://appshunter.io/ios/app/3d-scanner/id6449950944)

Transform real-world objects into virtual 3D models for educational purposes. Capture artwork, artifacts, and everyday items to view in augmented reality or share digitally with others.

**Highlights:** Scan real-world objects into 3D models, Create virtual replicas, View scans in augmented reality, Share 3D creations, Integrates with Merge EDU, Add labels and descriptions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kai's Eye Robot Tracker free?

Kai's Eye Robot Tracker is free to download, with no in-app purchases.

### Is 3D free?

3D is free to download, with no in-app purchases.

### Which has better reviews, Kai's Eye Robot Tracker or 3D?

3D is rated higher. Kai's Eye Robot Tracker averages 2.3 out of 5 from 3 ratings, while 3D averages 4.9 from 9 ratings.

### Do Kai's Eye Robot Tracker or 3D have ads?

Neither Kai's Eye Robot Tracker nor 3D shows ads.

### Which is updated more often, Kai's Eye Robot Tracker or 3D?

Kai's Eye Robot Tracker ships an update every 6 weeks, and 3D every 5 months. Most recently, Kai's Eye Robot Tracker was updated on October 13, 2026 and 3D on October 2, 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.*