PowerFun vs Sigma
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PowerFun
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The new PowerFun Rower APP is officially launched! ·You can create your own community in PowerFun Rower App, and compete with your friends to get rankings by posting different events! ·You can also participate in other different communities and official communities, and participate in the competitions to obtain different achievements! ·Our rowing data are very accurate, you can pay attention to your own data during the rowing process!
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 PowerFun's monthly. Sigma also leads on iOS requirement (14.0 vs 16.2). On price, ads, in-app purchases and device support 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.
PowerFun ships an update monthly, Sigma weekly. The most recent releases landed on October 4, 2026 and October 16, 2026 respectively.
| Parameter | PowerFun | Sigma |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.4 (52 ratings) — better |
| Positive reviews | — | 86.8% of reviews |
| Number of ratings | — | 52 — better |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Requires iOS | 16.2 | 14.0 — better |
| Further details — not scored | ||
| Size | 578 MB | 231 MB |
| Age rating | 4+ | 12+ |
| Developer | 上海执行派运动发展有限公司 | Chaoshi Technology (Shanghai) Co., Ltd. |
In-app purchases
PowerFun
No in-app purchases
Sigma
No in-app purchases
