Comparison

Brainwave Visualizer vs $QR

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

Head to head
About

Brainwave Visualizer

Visualize your brain's activity with a colorful, interactive display. This application shows a graphical representation of your mental state, including attention and meditation levels, with on-screen shapes that change based on your mind.

Highlights
  • Brainwave Visualization
  • Brainwave Power Spectrum Graph
  • eSense Attention Meter
  • eSense Meditation Meter
  • Interactive on-screen shapes
Read full description

The Brainwave Visualizer is a colorful, interactive application controlled by your brain, that shows you a graphical representation of your brain’s activity. The Brainwave Visualizer includes the Brainwave Visualization, Brainwave Power Spectrum Graph, and the eSense Attention and Meditation meters. The on-screen shapes morph and change color depending on your state of mind. Please make sure your iOS device supports Bluetooth 4.0. The supported devices are iPhone 4s and later, iPad 3 and later, iPod touch 5th gen and later, iPad Air, iPad Mini and iPad Pro. Note: This app requires the MindWave Mobile or MindWave Mobile plus headset to work.

About

$QR

Discover new internet content daily and earn cryptocurrency rewards. Participate in daily auctions to influence featured links and claim your daily earnings. This app offers a unique way to engage with online content while earning a memecoin.

Highlights
  • Daily content discovery
  • Earn cryptocurrency rewards
  • Daily auction participation
  • Claim daily earnings
  • Memecoin integration
Features
Read full description

$QR is a simple app where you can discover something new on the internet every day, and claim rewards for doing so. How it works: we host a daily auction where bidders compete to win the attention of our users. The winner of our daily auction gets to determime the link of the day. As a user, all you have to do is open our app once each day to check out the winning link and return to our app to claim some $QR. $QR is a memecoin built on Base on top of Ethereum. It can be bought and sold on the open market at any time, and earned daily, right here in our app. More than 50,000 people already own $QR, and more than 25,000 people have elected to receive notifications about our daily winners. Discover something new and claim $QR rewards, every day. To learn more, follow us on X @qrcoindotfun Notice: Apple is not affiliated with $QR or the daily auctions.

Screenshots

Brainwave Visualizer2 screens
$QR4 screens

Verdict

The call

The clearest difference is rating: $QR at 5.0 against Brainwave Visualizer's 4.0. $QR also leads on update cadence (fortnightly vs every 42 months). Brainwave Visualizer's advantage is ratings volume (7 vs 1) and iOS requirement (7.1 vs 15.1). On price, ads, in-app purchases and monetization model 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

$QR holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Brainwave Visualizer has 7 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Brainwave Visualizer ships an update every 42 months, $QR fortnightly. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
Brainwave Visualizer versus $QR: the parameters behind the verdict, then further details
ParameterBrainwave Visualizer$QR
PriceFreeFree
Rating4.0 (7 ratings)5.0 (1 ratings) — better
Positive reviews58.3% of reviews—
Number of ratings7 — better1
Update frequencyEvery 42 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS7.1 — better15.1
Further details — not scored
Size59 MB54 MB
Age rating4+4+
DeveloperNeuroSky, Inc.QR LLC

Customer experience

Brainwave Visualizer

All ratings7 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews12 reviews
Positive58.3%
Neutral16.7%
Negative25.0%

$QR

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Brainwave Visualizer

No in-app purchases

None

$QR

No in-app purchases

Questions

Is Brainwave Visualizer free?
Brainwave Visualizer is free to download, with no in-app purchases.
Is $QR free?
$QR is free to download, with no in-app purchases.
Which has better reviews, Brainwave Visualizer or $QR?
$QR is rated higher. Brainwave Visualizer averages 4.0 out of 5 from 7 ratings, while $QR averages 5.0 from 1 ratings.
Do Brainwave Visualizer or $QR have ads?
Neither Brainwave Visualizer nor $QR shows ads.
Which is updated more often, Brainwave Visualizer or $QR?
Brainwave Visualizer ships an update every 42 months, and $QR fortnightly. Most recently, Brainwave Visualizer was updated on November 1, 2026 and $QR on October 30, 2026.

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