Comparison

Sleep Cue vs Grey Matters Brain Training

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

Head to head
About

Sleep Cue

This app serves as an interactive companion for a wireless brainwave headband. It displays real-time EEG signals and brainwave power spectrograms, enabling users to trigger custom cues based on sleep stages and brainwave activity for lucid dreaming.

Highlights
  • Real-time EEG signal viewing
  • Brainwave power spectrogram
  • Customizable cue triggering
  • Lucid dream induction techniques
  • Research collaboration opportunities
Features
Read full description

An interactive companion app for the Enchanted Wave wireless brainwave headband. 1. The app allows users to view the raw EEG signal, and the power spectrogram of brainwave signals in real time. 2. The protocols allows the user to trigger pre-selected cues with a specific logic combination defined by time, sleep stage, and EEG band power strength. 3. The existing protocols include popular and novel techniques for lucid dream induction. We are open to work with both individual and institutional researchers on customized protocols. Please visit https://enchantedwave.square.site/ for more details.

About

Grey Matters Brain Training

Features
Read full description

With the Grey Matters Brain Training Studio mobile app, booking services in the Carmel, IN area is easier than ever! With the Grey Matters Brain Training Studio app you can: • Browse service menus and view all customizable options • Book services to help you optimize your brain health with your favorite service provider • View our business hours, contact information & other details • Purchase packages, gift cards & merchandise • Submit payment details safely and securely Your next appointment is just a few taps away — download the Grey Matters Brain Training Studio app for free today.

Screenshots

Sleep Cue4 screens
Grey Matters Brain Training4 screens

Verdict

The call

Sleep Cue and Grey Matters Brain Training are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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.

ScorecardNo meaningful differences
Sleep Cue versus Grey Matters Brain Training: the parameters behind the verdict, then further details
ParameterSleep CueGrey Matters Brain Training
PriceFreeFree
Rating4.2 (5 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 3 months—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better12.0
Further details — not scored
Size157 MB140 MB
Age rating4+4+
DeveloperEnchanted Wave LLCGrey Matters of Carmel LLC

In-app purchases

None

Sleep Cue

No in-app purchases

None

Grey Matters Brain Training

No in-app purchases

Questions

Is Sleep Cue free?
Sleep Cue is free to download, with no in-app purchases.
Is Grey Matters Brain Training free?
Grey Matters Brain Training is free to download, with no in-app purchases.
Do Sleep Cue or Grey Matters Brain Training have ads?
Neither Sleep Cue nor Grey Matters Brain Training shows ads.

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