Shuffle Sleep vs DreamFlow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Shuffle Sleep
This app uses a cognitive method to help you fall asleep faster by presenting a sequence of unrelated images. It features human narrations, customizable rhythms, and a sleep timer to aid your transition into rest.
- Cognitive shuffle method
- Human narrations
- Bi-lingual support (English/Japanese)
- Customizable rhythms
- Sleep timer
- Word management
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Based on the "Cognitive Shuffle" method developed by Dr. Luc Beaudoin, a cognitive scientist at Simon Fraser University, this app is designed to help you drift off by scrambling your logical thoughts. When your brain is busy solving problems or worrying, it stays awake. By visualizing a sequence of unrelated images—like "Sunfish," "Crocodile," or "Sweater"—you trigger the brain's natural transition into sleep mode. [Features] Human Narrations: Natural, soothing voices recorded by professional voice actors, not robotic text-to-speech. Bi-lingual Support: Features both Japanese and English narrators. Customizable Rhythms: Adjust repeat counts and silent intervals to match your personal sleep pace. Sleep Timer: Automatically stops playback so you can sleep soundly. Word Management: Toggle specific words on or off to create your perfect shuffle list.
DreamFlow
This app uses Cognitive Shuffling to calm your mind and ease you into restful sleep. It offers personalized voices, background sounds, and multi-language support to reduce stress and anxiety.
- Cognitive Shuffling technique
- Personalized voices in 7 languages
- 6 calming background sounds
- Siri integration for easy start
- Stress and anxiety reduction
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DreamFlow is a simple sleep app designed to help calm your mind and guide you towards restful sleep. Set your preferences, create a Siri shortcut and say, “Help me sleep.” DreamFlow will automatically start a sleep session using your predefined settings, so you can relax and let your dreams flow. Using the Cognitive Shuffling technique, DreamFlow helps quiet racing and intrusive thoughts as you unwind. The combination of calming words and background sounds can help ease stress and anxiety, making it easier to drift off peacefully. Key features: • Easy setup: Set your preferences, create a shortcut and start a sleep session with Siri. • Cognitive Shuffling: Use a technique designed to calm racing thoughts and promote relaxation before sleep. • Personalised voices: Choose from a range of voices in 7 languages, including premium voices, for a soothing and customisable experience. • Background sounds: Select from 6 calming sounds and adjust the volume to create your preferred sleep environment. • Multi-language support: Use DreamFlow in 7 different languages. • Relax and unwind: Combine calming words and sounds to help reduce stress and anxiety as you prepare for sleep. Whether you are experiencing sleepless nights or simply need help unwinding, DreamFlow supports a calmer mind and a more restful night. End User License Agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: DreamFlow at 5.0 against Shuffle Sleep's 3.0. DreamFlow also leads on ads (none vs shown). Shuffle Sleep's advantage is in-app purchases (none vs 3) and iOS requirement (15.6 vs 17.0). On price, ratings volume, update cadence 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. DreamFlow sells 3 in-app purchases, starting at $1.99 per month. Shuffle Sleep asks for nothing beyond the download.
DreamFlow holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 4 and 3 respectively.
Shuffle Sleep ships an update every 5 weeks, DreamFlow every 2 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | Shuffle Sleep | DreamFlow |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (4 ratings) | 5.0 (3 ratings) — better |
| Number of ratings | 4 — better | 3 |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 4 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Sollapps | Leonardo Carnevale |
Customer experience
Shuffle Sleep
DreamFlow
In-app purchases
Shuffle Sleep
No in-app purchases
DreamFlow
- Premium Access7 Days trial$1.991 Month
- Premium Access (1 Year)1 Month trial$14.991 Year
- Premium Access$1.99
