# Bubble Maths Lite vs Kai's Eye Robot Tracker

The clearest difference is rating: Bubble Maths Lite at 4.3 against Kai's Eye Robot Tracker's 2.3. Bubble Maths Lite also leads on ratings volume (190 vs 3) and iOS requirement (12.0 vs 15.0). Kai's Eye Robot Tracker's advantage is update cadence (every 6 weeks vs every 16 months). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

Bubble Maths Lite holds the better App Store score, 4.3 against 2.3. That said, the two scores are not equally well evidenced: Bubble Maths Lite has 190 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 80% and 80% positive.

Bubble Maths Lite ships an update every 16 months, Kai's Eye Robot Tracker every 6 weeks. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Bubble Maths Lite | Kai's Eye Robot Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (190 ratings)](https://appshunter.io/ios/app/bubble-maths-lite/id588198778/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/kais-eye-robot-tracker/id1488856584/reviews) |
| Number of ratings | **190** | 3 |
| Positive reviews | 80.0% of reviews | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 7 MB | 312 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dizzy Squirrel Limited](https://appshunter.io/developer/587374273) | [Kai's Education Limited](https://appshunter.io/developer/1460744915) |

## What reviewers say

### Bubble Maths Lite

[App page](https://appshunter.io/ios/app/bubble-maths-lite/id588198778)

This application challenges users with a series of math problems, progressing from basic sums to more complex addition and subtraction. Earn stars for correct answers and unlock new levels as you master each stage. Designed for children aged 5 and up, it offers a fun way to practice foundational math skills.

**Highlights:** Maths skill testing, Addition and subtraction problems, 25 questions per level, Star rewards for correct answers, Unlockable progressive levels, Suitable for ages 5+

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Bubble Maths Lite free?

Bubble Maths Lite is free to download, with no in-app purchases.

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

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

### Which has better reviews, Bubble Maths Lite or Kai's Eye Robot Tracker?

Bubble Maths Lite is rated higher. Bubble Maths Lite averages 4.3 out of 5 from 190 ratings, while Kai's Eye Robot Tracker averages 2.3 from 3 ratings.

### Do Bubble Maths Lite or Kai's Eye Robot Tracker have ads?

Neither Bubble Maths Lite nor Kai's Eye Robot Tracker shows ads.

### Which is updated more often, Bubble Maths Lite or Kai's Eye Robot Tracker?

Bubble Maths Lite ships an update every 16 months, and Kai's Eye Robot Tracker every 6 weeks. Most recently, Bubble Maths Lite was updated on October 7, 2026 and Kai's Eye Robot Tracker on October 13, 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.*