复旦耳鸣RS vs Sigma
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
复旦耳鸣RS
This app offers a patented online self-matching system for tinnitus relief. It scientifically customizes sound therapy to help users overcome tinnitus and restore a peaceful auditory experience.
- Online self-matching for tinnitus
- Customized sound therapy
- Patented technology
- Tinnitus relief
- Auditory peace restoration
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复旦大学附属眼耳鼻喉科医院专利成果，在线耳鸣自助匹配，科学定制耳鸣治疗声，让您远离耳鸣烦扰，还您清净世界。
Sigma
This app offers a clean and engaging running experience with detailed analysis and personalized AI coaching. Track your runs, visualize your progress, and collect memories of your journeys on a unique map diary.
- Ad-free running experience
- Daily, weekly, and monthly analysis
- Map diary of runs and moods
- AI-powered personalized coaching
- Visualized calorie consumption
- Data migration from popular wearables
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我们是一群爱跑步的设计师，纯粹、仪式感、真正懂你 —— 这才是我们想给你的跑步体验。 【你最关心的功能】 - 清爽干净的开跑：全程无打扰，自由记录你的奔跑 - 好看有趣的记录：日/周/月的多维分析视图，记录你所有跑步轨迹的总和 - 点亮心情的地图日记：跑过的城市与心情，所有回忆都收藏在一张地图里 - 贴身指导的AI伙伴：结合北京体育大学知识库，基于你的历史数据提供专业分析与个性化建议 - 可度量的跑步数据：卡路里消耗的趣味可视化，配速对标动物世界的实力 - 历史数据一键迁移：已支持苹果、佳明、华为、小米、高驰、华米和颂拓手表 【官方账号】 官网：https://www.sigma.run 小红书：@Sigma 【隐私政策】 隐私政策：https://www.sigma.run/privacy
Screenshots
Verdict
The clearest difference is update cadence: Sigma at weekly against 复旦耳鸣RS's every 5 weeks. Sigma also leads on review sentiment (87% vs 76%). 复旦耳鸣RS's advantage is iOS requirement (11.0 vs 14.0). On price, ads, in-app purchases and monetization model 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.
复旦耳鸣RS ships an update every 5 weeks, Sigma weekly. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.
| Parameter | 复旦耳鸣RS | Sigma |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.4 (52 ratings) — better |
| Positive reviews | 76.2% of reviews | 86.8% of reviews — better |
| Number of ratings | — | 52 — better |
| Update frequency | Every 5 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 154 MB | 231 MB |
| Age rating | 17+ | 12+ |
| Developer | 复旦大学附属眼耳鼻喉科医院 | Chaoshi Technology (Shanghai) Co., Ltd. |
Customer experience
复旦耳鸣RS
Sigma
In-app purchases
复旦耳鸣RS
No in-app purchases
Sigma
No in-app purchases
