# Kai's Eye Robot Tracker vs Varpi

The clearest difference is iOS requirement: Kai's Eye Robot Tracker at 14.0 against Varpi's 16.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Kai's Eye Robot Tracker | Varpi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/kais-eye-robot-tracker/id1488856584/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Free | — |
| Size | 312 MB | 2 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kai's Education Limited](https://appshunter.io/developer/1460744915) | [Bergmann Gudmundsson](https://appshunter.io/developer/1725487816) |

## 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


### Varpi

[App page](https://appshunter.io/ios/app/varpi/id6726998630)

**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 Varpi free?

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

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

Neither Kai's Eye Robot Tracker nor Varpi shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*