Comparison

Sigma vs 膳识家

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Sigma

This app offers a distraction-free running experience with detailed daily, weekly, and monthly analysis of your runs. It visualizes your running data and creates a map diary of your routes and moods, with AI-powered personalized coaching based on your history.

Highlights
  • Distraction-free running recording
  • Daily, weekly, monthly analysis
  • Map diary of routes and moods
  • AI-powered personalized coaching
  • Visualized calorie consumption
  • Data migration from multiple devices
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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

About

膳识家

Features
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【适合自己的】不再盲目节食,基于你的饮食偏好与健康目标,定制专属均衡饮食计划。要营养,也要吃得开心。 【不止算热量】随手一拍餐盘或商品包装,智能析食物成分与营养数据,帮你拆解每一餐营养构成。 【保质期提醒】拍照录入食材,智能记录保质期,提供存放建议、临期提醒、过期通知,告别食物浪费与冰箱异味。 【吃什么?】不知道吃什么?哪里吃?输入饮食需求、餐馆菜单,结合人数和餐项为你生成个性化推荐。 【怎么做?】不知道做什么?怎么做?输入家中食材、场景需求,结合人数和餐项为你推荐食谱和简明做法。 【查配料/查进口?】深挖添加剂、糖盐含量与健康风险,拒绝科技与狠活;揭露假进口的骗局,为食品信息真实性保驾护航。 【营养报告与追踪】生成你的个人健康数据看板,清晰追踪营养摄入趋势、饮食达标情况,让进步看得见,坚持更容易。

Screenshots

Sigma3 screens
膳识家4 screens

Verdict

The call

Sigma and 膳识家 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Sigma ships an update weekly, 膳识家 fortnightly. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

ScorecardNo meaningful differences
Sigma versus 膳识家: the parameters behind the verdict, then further details
ParameterSigma膳识家
PriceFreeFree
Rating4.5 (56 ratings) — better—
Positive reviews86.8% of reviews—
Number of ratings56 — better—
Update frequencyWeekly — betterFortnightly
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size232 MB89 MB
Age rating12+4+
DeveloperChaoshi Technology (Shanghai) Co., Ltd.Shenzhen Dayong Intelligent Technology Co., Ltd.

In-app purchases

None

Sigma

No in-app purchases

None

膳识家

No in-app purchases

Questions

Is Sigma free?
Sigma is free to download, with no in-app purchases.
Is 膳识家 free?
膳识家 is free to download, with no in-app purchases.
Do Sigma or 膳识家 have ads?
Neither Sigma nor 膳识家 shows ads.
Which is updated more often, Sigma or 膳识家?
Sigma ships an update weekly, and 膳识家 fortnightly. Most recently, Sigma was updated on November 4, 2026 and 膳识家 on November 5, 2026.

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