Otus Plus vs SleepisolC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Otus Plus
This application provides sound effects for various uses. It is free to download and use, offering a collection of audio elements.
- Sound effects collection
- Free to download
- Free to use
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Otus Plus application “Sound effects obtained from https://www.zapsplat.com“
SleepisolC
This app offers customized sound therapy and versatile modes like sleep, stress relief, and focus. It connects seamlessly with a dedicated device to help users achieve a healthier lifestyle through improved sleep and mental well-being.
- Customizable intensity and time settings
- Multiple modes: sleep, stress, healing, focus
- Binaural beats sound therapy
- Automatic device connection
- User-friendly interface
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Experience enriches your life to be healthier with its diverse functions. Why choose SleepisolC? • Customized Solution: Tailor your experience by adjusting stimulation intensity and time from levels 1 to 5 what works best for you. • Versatile Modes: Explore a variety of modes search as sleep, stress, healing, and focus for your specific needs. • Sound Therapy: Utilize the binaural beats function in 4 modes (sleep, concentration, stress, healing). - What are Binaural Beats? Sounds regulate brainwaves with specific frequencies. (Experience optimal effects when used in conjunction with your Sleepisol device.) • Convenient Connection: Sleepisol device automatically connects when you launch the app, eliminating a cumbersome setup. • User-Friendly Interface: The intuitive and easy-to-navigate UI ensures a seamless experience. Start a healthier life with sleepisol C! • Deep sleep: For those who want to fall asleep comfortably and have a deep sleep • Improved focus: For those who face difficulty focus on their studies or work • Stress relief: For those who want to relieve stress in their busy daily lives • Healing: For those who want to calm their mind through comfortable relaxation. The following permission setting are required to connect with a sleepisol device. • Permission for BLE (Bluetooth) search and connection Sleepisol devices can be purchased on the site below or within the sleepisolC App. • sleepisol website: https://sleepisol.com/
Screenshots
Verdict
The clearest difference is review sentiment: SleepisolC at 100% against Otus Plus's 37%. On price, update cadence, ads and in-app purchases 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.
Otus Plus ships an update every 3 weeks, SleepisolC every 5 weeks. The most recent releases landed on November 10, 2026 and October 30, 2026 respectively.
| Parameter | Otus Plus | SleepisolC |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (3 ratings) — better | — |
| Positive reviews | 36.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 334 MB | 302 MB |
| Age rating | 4+ | 4+ |
| Developer | EDENLUX Corp. | leesol |
Customer experience
Otus Plus
SleepisolC
In-app purchases
Otus Plus
No in-app purchases
SleepisolC
No in-app purchases
