SonicPills vs Quell
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
SonicPills
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All Sonic Pills are developed by a certified Sound Therapist using the latest sound recording technology and knowledge from neuropsychology to harness the powerful benefits of sound for the human body and mind. SonicPills application covers a diverse collection of Sonic Pills that can be used to help with sleep, reduce stress or increase focus, and many more. They can be seamlessly combined, enabling you to tailor your sessions to your unique preferences and needs. In addition, the application offers a wealth of resources and information on the transformative power of sound, empowering you to gain a deeper understanding of its many benefits and effectively integrate the power of sound into your daily routine. Using Sonic Pills requires no previous experience; it is easy to use and very effective. The application can be used anywhere, anytime, and on any device, making it convenient for you whenever you need it. The full SonicPills journey is available through an optional paid subscription or free trial. By using the application, you agree to our terms and conditions (https://sonicpills.eu/en/sonic-pill/help/terms-and-conditions/).
Quell
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Quell is a deep-focus app with one job: help you sit down and do one undivided thing. No streaks. No badges. No feed. You tap Begin, a calm arctic ring starts counting up, and a 40 Hz binaural beat plays underneath. When you are done, you end. That is the whole ritual. WHY 40 Hz 40 Hz is the gamma band โ the brain rhythm tied to attention and memory, and the most-studied frequency in sound-based focus research. Quell generates it live: two pure tones, one slightly different in each ear, that your brain fuses into a single 40 Hz pulse. WHAT IT DOES - A 40 Hz binaural beat, generated live on your device. Two pure tones on a deep, warm carrier (130 Hz left, 170 Hz right). It needs stereo headphones to create the beat. - An optional coach voice. Short, grounded lines, spaced minutes apart, that nudge you back when your attention drifts. It is sports-psychology self-talk, not generic meditation, and it is a natural recorded voice, not a robotic one. - Optional music under the beat. Four moods of original, AI-generated tracks (lofi days, lofi night, global beats, ambient) that sit quietly beneath everything. Off by default. - A count-up timer. No fixed length, no pressure. The session lasts as long as you stay. THE SCIENCE, HONESTLY We lead with 40 Hz because the research is real โ it is the gamma approach popularized on the Huberman Lab podcast. A 2022 meta-analysis found binaural beats gave a small but significant lift to attention and memory, and a 2025 study confirmed that a 40 Hz beat measurably entrains the brain while improving attention. But we will not oversell it: not every study agrees, and the effect varies from person to person. Treat the 40 Hz tone as a low-risk way to settle into deep work, not a guarantee. DESIGNED TO DISAPPEAR Quell is dark, still, and quiet on purpose. The only bright thing is the ring. It keeps playing while your screen is off, with controls on the lock screen, so you can put the phone down and work. PRIVATE BY DESIGN Everything runs on your device. No account, no sign-in, no tracking, no analytics, no servers. Your settings stay on your phone. FREE AND PAID The 40 Hz beat and the timer are free, forever. A single one-time purchase unlocks the music moods and the coach voice. Pay once, it is yours. No subscription. Quell. Quiet the noise.
Screenshots
Verdict
The clearest difference is update cadence: Quell at daily against SonicPills's every 2 months. SonicPills's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. SonicPills sells 3 in-app purchases, starting at $3.99 per month and Quell sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
SonicPills ships an update every 2 months, Quell daily. The most recent releases landed on October 14, 2026 and October 17, 2026 respectively.
| Parameter | SonicPills | Quell |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Daily โ better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod โ better | iPhone, Mac |
| Requires iOS | 13.0 โ better | 17.0 |
| Further details โ not scored | ||
| Size | 109 MB | 58 MB |
| Age rating | 17+ | 4+ |
| Developer | Sonic Group d.o.o. | Oleksandr Pavlov |
In-app purchases
SonicPills
- Free Trial3 Days trial$3.991 Month
- Monthly Selection$3.991 Month
- Monthly Unlimited$6.991 Month
Quell
- Quell Unlock$9.99









