Sigma vs VaBridge
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
VaBridge
Relive your past workouts by riding real routes indoors with a virtual companion. Create shareable static or animated posters from your activities, combining routes, data, and photos.
- Virtual cycling with past self
- Ride real Strava routes indoors
- Static activity posters
- Animated journey videos
- 3D route environments
- Performance comparison
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Every activity deserves to be relived and remembered. VaBridge turns your Strava activities into routes you can ride again—and static or animated posters worth sharing. Return to familiar roads with your past self riding alongside you. VIRTUAL CYCLING: RIDE WITH YOUR PAST SELF Connect a compatible smart trainer and ride the real routes and segments recorded in your Strava activities, indoors. Follow familiar tracks through a 3D environment that reflects the ups and downs of your route. Your previous ride becomes a virtual companion based on your historical performance. Take on segments, compare your current effort with your previous results, and discover what you can achieve today. STATIC POSTERS: MAKE YOUR ACTIVITIES INTO ART Combine routes, activity data, and photos with thoughtfully designed templates. Customize text, elements, and styles to create a personal keepsake of every ride, run, and adventure. ANIMATED POSTERS: BRING YOUR JOURNEYS TO LIFE Let the camera travel along your route through mountains and landscapes. Turn tracks, scenery, photos, and activity data into a video that tells the story of your journey. TRY IT FOR YOURSELF Explore virtual cycling and poster creation through the in-app demos. Virtual cycling requires compatible cycling equipment. Some features, templates, and export options require a VaBridge Pro subscription. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: VaBridge at 5.0 against Sigma's 4.5. VaBridge also leads on update cadence (every 3 days vs weekly). Sigma's advantage is in-app purchases (none vs 2) and ratings volume (56 vs 2). On price, ads 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. VaBridge sells 2 in-app purchases, starting at $0.99 per month. Sigma asks for nothing beyond the download.
VaBridge holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Sigma has 56 ratings behind it against 2, so its average is the more settled of the two.
Sigma ships an update weekly, VaBridge every 3 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | Sigma | VaBridge |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (56 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 86.8% of reviews | — |
| Number of ratings | 56 — better | 2 |
| Update frequency | Weekly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 232 MB | 86 MB |
| Age rating | 12+ | 4+ |
| Developer | Chaoshi Technology (Shanghai) Co., Ltd. | DavidApp |
Customer experience
Sigma
VaBridge
In-app purchases
Sigma
No in-app purchases
VaBridge
- VaBridge Pro Monthly$0.991 Month
- VaBridge Pro Yearly$7.991 Year









