Sleep Cue vs Curl
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Real-time EEG signal viewing
- Brainwave power spectrogram
- Customizable cue triggering
- Lucid dream induction techniques
- Research collaboration opportunities
Read full descriptionHide 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.
Curl
Read full descriptionHide full description
The Curl-ish app makes booking your appointments even easier. You're just a few taps away from feeling good and looking great! With our App, you can: * Book your next appointment 24/7 * Meet our team and choose your favourite * Keep a record of your appointments * Register and manage your account And More
Screenshots
Verdict
The clearest difference is update cadence: Sleep Cue at every 3 months against Curl's every 26 months. Sleep Cue also leads on iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Sleep Cue ships an update every 3 months, Curl every 26 months. The most recent releases landed on October 10, 2026 and October 2, 2026 respectively.
| Parameter | Sleep Cue | Curl |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 3 months — better | Every 26 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 157 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Enchanted Wave LLC | Curl-ish GmbH |
In-app purchases
Sleep Cue
No in-app purchases
Curl
No in-app purchases
