best brown noise app for ADHD focus iPhone buy once no subscription
Sereno has a dedicated ADHD Focus scene — brown noise layered with pink noise and gentle rain — plus a full noise palette and per-layer mixer, all behind a single one-time purchase.
簡短回答
Sereno's ADHD Focus scene layers brown noise at moderate volume, pink noise at lower volume, and a gentle rain bed to create a layered background texture that some people find reduces distraction without adding new interruptions. The full noise library includes six colours — white, pink, brown, blue, violet, and grey — all of which can be played individually or blended in the mixer. You can stack any combination, adjust each layer's volume independently, and save your own custom mix as a named scene for next time. The science around coloured noise and ADHD focus is mixed and genuinely individual: some people find it significantly helpful, others find it distracting — Sereno gives you a wide range to experiment with without a subscription. One Pro purchase covers everything. Note: Sereno is not a medical tool and is not a substitute for professional ADHD assessment or treatment.
Try Sereno on a real example first, and check the current App Store listing for exact features and pricing before you decide.
挑選前要注意什麼
- Dedicated ADHD Focus scene: brown noise + pink noise + gentle rain (verified in source)
- Full noise palette: white, pink, brown, blue, violet, grey
- Per-layer mixer — layer any sounds and save custom blends
- One-time Pro purchase; no monthly fee
- Not a medical tool — consult a professional for ADHD assessment and treatment
實用的決策步驟
- 先確定你最常需要完成的任務。
- 用真實內容或實際情境測試 App。
- 查看隱私標籤與帳號需求。
- 確認匯出與備份選項。
- 選擇你願意長期維持的定價模式。
快速比較
| 需求 | 要確認什麼 | 為什麼重要 |
|---|---|---|
| 定價模式 | 確認實用功能是需要訂閱、一次性解鎖,還是都不用。 | 第一天最便宜的 App,一年後不一定最便宜。 |
| 隱私模式 | 內容敏感時,優先選在裝置上處理的 App。 | 私人文件、履歷、學習資料與家庭內容,都值得謹慎對待。 |
| 匯出/綁定 | 確認檔案格式、分享、備份與刪除的控制權。 | 好的 App 應該幫你完成任務,而不是把你的成果綁死。 |
Sereno 的適用範圍
Sereno is built for exactly this — use the checklist above and test it on a real example.
一次買斷無廣告可離線使用
這是由 App 開發團隊親自撰寫的購買指南。App Store 的功能與價格可能會有變動，請在購買前至商店頁面確認詳細資訊。
常見問題
Is brown noise proven to help ADHD?
Evidence is preliminary and individual. Some small studies suggest background noise may aid focus for some people with ADHD, potentially through stochastic resonance, but there are no large-scale clinical trials confirming brown or pink noise as an ADHD treatment. Many people find it helpful; others find it distracting. Experiment carefully, and consult a professional for ADHD management.
Can I mix and save my own sounds in Sereno?
Yes. The Sereno mixer lets you add multiple sound layers simultaneously — for example, brown noise and a gentle rain layer — adjust each volume independently, and save the result as a custom named scene.
Does Sereno need an internet connection to play sounds?
No. Every sound in Sereno is synthesized in real time on your device. Nothing streams from the internet; Sereno works in full airplane mode.