Comparison

Caar vs qubeZERO by SKILLQUBE

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Caar

A full-screen coloring app for toddlers. It offers a blank canvas and a simple color palette, allowing young children to freely express their creativity without any boundaries. Keep your walls and furniture safe from artistic endeavors.

Highlights
  • Full-screen coloring canvas
  • Simple color palette
  • No lines to stay within
  • Designed for toddlers
  • Safe for furniture
Features
Read full description

A simple full-screen coloring application designed for my 1-year-old daughter. There are no lines to stay within, just a simple palette of colors and a blank canvas to color (she pronounces as 'caar') upon. Walls, floors and toys can now be safe from your toddler's artistic tendencies.

About

qubeZERO by SKILLQUBE

This app simulates a patient monitor with ECG, CPR feedback, and defibrillator capabilities. It allows for realistic adjustment of vital signs during training sessions, replicating real-life scenarios for enhanced learning.

Highlights
  • Patient monitor simulation
  • 12-lead ECG with pacer
  • Real-time CPR feedback
  • AED/manual defibrillator
  • Realistic vital sign adjustment
  • Lifelike training scenarios
Features
Read full description

The qubeZERO simulates a generic patient-monitor. In addition to a 12-lead ECG with pacer and integrated real-time CPR feedback, the qubeZERO also features an AED or manual defibrillator. The monitor is controlled by the qubeCONTROL app offering realistic adjustment of vital signs during training. With the qubeSERIES, SKILLQUBE offers patient simulation systems for a lifelike training experience. Thanks to the authentic design of our systems, our products can comprehensively replicate real-life scenarios, achieving an even more successful and higher quality training outcome.

Screenshots

Caar1 screens

Verdict

The call

The clearest difference is review sentiment: Caar at 100% against qubeZERO by SKILLQUBE's 0%. Caar also leads on rating (5.0 vs 3.0). qubeZERO by SKILLQUBE's advantage is update cadence (every 2 months vs every 8 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Caar holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 100% of Caar's written reviews are positive against 0% of qubeZERO by SKILLQUBE's.

UpkeepUpdate frequency

Caar ships an update every 8 months, qubeZERO by SKILLQUBE every 2 months. The most recent releases landed on November 1, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
Caar versus qubeZERO by SKILLQUBE: the parameters behind the verdict, then further details
ParameterCaarqubeZERO by SKILLQUBE
PriceFreeFree
Rating5.0 (1 ratings) — better3.0 (2 ratings)
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings12 — better
Update frequencyEvery 8 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad — betteriPad
Requires iOS16.0 — better17.5
Further details — not scored
Size2 MB140 MB
Age rating4+4+
DeveloperzenwheelSKILLQUBE GmbH

Customer experience

Caar

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

qubeZERO by SKILLQUBE

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Caar

No in-app purchases

None

qubeZERO by SKILLQUBE

No in-app purchases

Questions

Is Caar free?
Caar is free to download, with no in-app purchases.
Is qubeZERO by SKILLQUBE free?
qubeZERO by SKILLQUBE is free to download, with no in-app purchases.
Which has better reviews, Caar or qubeZERO by SKILLQUBE?
Caar is rated higher. Caar averages 5.0 out of 5 from 1 ratings, while qubeZERO by SKILLQUBE averages 3.0 from 2 ratings.
Do Caar or qubeZERO by SKILLQUBE have ads?
Neither Caar nor qubeZERO by SKILLQUBE shows ads.
Which is updated more often, Caar or qubeZERO by SKILLQUBE?
Caar ships an update every 8 months, and qubeZERO by SKILLQUBE every 2 months. Most recently, Caar was updated on November 1, 2026 and qubeZERO by SKILLQUBE on October 7, 2026.

Other comparisons