Sleepisol+ vs Brain spa(N3)
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Sleepisol+
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***Guidance on how to use healthy brain "sleepisol" sleepisol+ was developed for your healthy brain and to promote better life of the users. Experience better sleep and relived stress. sleepisol+ also helps your concentration and peach of mind. - Personalized use mode sleepisol+ provides cutting edge technology that delivers healthier sleeping experience. Dedicated application for mobile devices provide personal, convenient and structured services modes. - Select from 4 modes(sleep, stress, focus and relax), Place CES sensors on the temple area and turn the power on. The dedicated app guide you through easy steps to use the device, the app keeps use records automatically. It is recommended that the device should be used 30 minutes every morning and evening for at lease 30 minutes per use. - sleepisol+ can be purchased through Leesol homepage and online shopping mall. If you have any questions about the product, please call customer service center at 02-318-8890. Leesol website : http://leesolbrain.com
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.
Screenshots
Verdict
The clearest difference is update cadence: Sleepisol+ at fortnightly against Brain spa(N3)'s every 6 weeks. Sleepisol+ also leads on iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Sleepisol+ ships an update fortnightly, Brain spa(N3) every 6 weeks. The most recent releases landed on September 8, 2026 and June 22, 2026 respectively.
| Parameter | Sleepisol+ | Brain spa(N3) |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly β better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 β better | 15.6 |
| Further details β not scored | ||
| Size | 187 MB | 12 MB |
| Age rating | 4+ | 12+ |
| Developer | leesol | N.CER Co., Limited |
In-app purchases
Sleepisol+
No in-app purchases
Brain spa(N3)
No in-app purchases









