Brain spa(N3) vs Sleep ∞ BGM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Brain spa(N3)
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You can switch to your desired mode depending on the situation. Quickly and easily tune into the relaxation you need right now: Improve sleep quality Relieve stress Enhance focus Recover from mental fatigue To use this application, you need to connect it with the Brain Spa product via Bluetooth. It cannot be used independently without product connection.
Sleep ∞ BGM
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[Customizable] You can choose from 20 independent sound sources and create environmental sounds according to your preference. [Easy to use] Anyone can easily operate it through a simple and intuitive interface. [Relaxing effect] It provides the best sound for sleep introduction, meditation, and daily relaxation time. [Beautiful appearance] With modern design and visual charm, you can feel comfortable every time you use it. Please try "∞ Sleep BGM" as BGM for relaxation, concentration, and work. Why don't you experience the beautiful sound that blends into your daily life right now?
Screenshots
Verdict
Brain spa(N3) and Sleep ∞ BGM 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Brain spa(N3) | Sleep ∞ BGM |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 47 MB |
| Age rating | 12+ | 4+ |
| Developer | N.CER Co., Limited | SHUNJI KUSAKA |
In-app purchases
Brain spa(N3)
No in-app purchases
Sleep ∞ BGM
No in-app purchases
