Comparison

Decision Tool vs CarQR App

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

Head to head
About

Decision Tool

This app introduces fun and random elements to help you make choices. It offers various decision modes like spinning wheels, bottles, and coin flips, with customizable options for personalized decision-making across different categories.

Highlights
  • Multiple decision modes (wheel, bottle, coin)
  • Customizable choices
  • Variety of decision categories
  • Adds randomness to choices
Features
Read full description

MULTIPLE DECISION MODES Each mode adds a unique element of randomness to your decision-making process, including spinning wheels, spinning bottles, and flipping coins. CUSTOMIZABLE OPTIONS Tailor the decision-making experience to your preferences and add your own choices to the wheels, bottles, or coins. VARIETY OF CATEGORIES Whether you're struggling with food choices, travel destinations, or social interactions, this app covers a wide range of decision categories

About

CarQR App

Instantly receive alerts about your vehicle's status, such as lights left on or bad parking, by placing a private QR code on your car. Protect your privacy as your personal information is never shared with those who scan the code.

Highlights
  • Instant vehicle alerts via QR scan
  • Privacy-focused, no personal info shared
  • Customizable alert categories
  • Printable PDF or physical sticker options
  • Premium features like auto-reply and analytics
  • Business and fleet management tools
Features
Read full description

CarQR is a QR-based vehicle alert system that notifies you INSTANTLY when something is wrong with your car. Stop leaving your phone number on the dashboard: your number, name and email are never shared. HOW IT WORKS 1. Add your vehicle — a nickname is enough, plate optional. 2. Get your private QR code: print the PDF or wait for our printed sticker. 3. Place it on your car. When someone scans it, you get a push instantly. WHAT ALERTS ARRIVE? • Headlights left on, window open, door open • Bad parking / blocking the exit • Flat tire, vehicle damage, alarm going off • Emergency call — with repeated reminders PRIVACY FIRST Scanners only see predefined alert categories. Your phone number and identity are never exposed. MORE WITH PREMIUM • Custom QR sticker design with printed sticker delivery • Auto-reply and quiet hours • Monthly car scent gift GO ULTIMATE • Custom quick replies and free-text auto-reply • Alert category filtering • Extra alert recipients for your family • QR scan analytics and public page themes BUSINESS & FLEET Driver assignment, fleet alert feed and central management for rental, valet, parking and service fleets. Your car can't talk. CarQR does it for you. Terms of Use (EULA): https://carqrapp.com/legal/terms-of-use Privacy Policy: https://carqrapp.com/legal/privacy-policy

Screenshots

Decision Tool3 screens
CarQR App4 screens

Verdict

The call

The clearest difference is in-app purchases: Decision Tool at none against CarQR App's 4. Decision Tool also leads on iOS requirement (13.0 vs 15.0). CarQR App's advantage is ads (none vs shown) and update cadence (every 2 days vs fortnightly). On price and device support 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. CarQR App sells 4 in-app purchases, starting at $19.99 per month. Decision Tool asks for nothing beyond the download.

UpkeepUpdate frequency

Decision Tool ships an update fortnightly, CarQR App every 2 days. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

Scorecard6 real differences · 4 level
Decision Tool versus CarQR App: the parameters behind the verdict, then further details
ParameterDecision ToolCarQR App
PriceFreeFree
Rating4.4 (54 ratings) — better—
Positive reviews89.7% of reviews100.0% of reviews — better
Number of ratings54 — better—
Update frequencyFortnightlyEvery 2 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size31 MB50 MB
Age rating17+4+
Developer海森 符TAHA BAYAR

Customer experience

Decision Tool

All ratings54 ratings
Positive88.9%
Neutral0.0%
Negative11.1%
Written reviews29 reviews
Positive89.7%
Neutral0.0%
Negative10.3%

CarQR App

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Decision Tool

Reported bugs

2 issues
  • Spin wheel stops working after some time, possibly due to a time limit.
  • The app does not always give the desired outcome.

Requested features

2 requests
  • Add more customization options
  • Improve spin wheel functionality

CarQR App

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Decision Tool

No in-app purchases

4 purchases

CarQR App

Subscriptions4
  • CarQR Premium Monthly$19.991 Month
  • CarQR Ultimate Monthly$29.991 Month
  • CarQR Premium Yearly$219.991 Year
Show 1 more
  • CarQR Ultimate Yearly$329.991 Year

Questions

Is Decision Tool free?
Decision Tool is free to download, with no in-app purchases.
Is CarQR App free?
CarQR App is free to download, with in-app purchases available.
Do Decision Tool or CarQR App have ads?
Decision Tool shows ads; CarQR App does not.
Which is updated more often, Decision Tool or CarQR App?
Decision Tool ships an update fortnightly, and CarQR App every 2 days. Most recently, Decision Tool was updated on October 14, 2026 and CarQR App on October 10, 2026.

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