Relay vs MSK BEACON
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Relay
Transform your running activities into visually appealing stories. This app uses your Strava data to create custom overlays for photos and videos, allowing you to share your achievements with unique designs and graphics.
- Turn runs into art
- 80+ customizable stickers
- Design custom overlays
- Strava activity integration
- Works with photos and videos
- Direct export to Instagram Stories
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Turn your Strava activities into shareable run photos and videos. Add your pace, distance and route, then make the design your own. YOUR RUNS, YOUR STYLE Choose from 80+ stickers — distance, pace, time, heart rate graphs, route maps, elevation profiles, interval breakdowns, and more. Drag, resize, and rotate to create the perfect composition. CUSTOM OVERLAYS Design your own overlays with your running club logo or personal brand. Share with friends so they can use it on their runs too. STRAVA INTEGRATION Relay pulls your latest activities directly from Strava — distance, pace, heart rate, route, elevation, and splits are all ready to go. BUILT FOR RUNNERS - Works with photos and videos - Single and split-canvas layouts - Multiple font and color options per sticker - Metric and imperial units - Export and share directly to Instagram Stories. Download Relay and make every run worth sharing. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
MSK BEACON
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MSK BEACON is a research data collection app operated by Memorial Sloan Kettering Cancer Center (MSK). It helps individuals enrolled in authorized MSK research studies securely share certain health and activity data available through Apple HealthKit with MSK for research purposes. BEACON is available only to eligible research participants who have received a unique access token from the MSK research team. To get started, you may be asked to confirm your Apple ID, enter your study-provided token, accept the Terms of Use, and choose which HealthKit data you want to share. BEACON will access and transmit only the HealthKit data you authorize. What BEACON does • Enables you to connect Apple HealthKit to MSK for an applicable MSK research study • May transmit historical HealthKit data and support ongoing data transmission, depending on the study and permissions you approve • Helps MSK receive and store authorized research data in systems used or authorized by MSK for research purposes Important information • Not for emergencies: BEACON does not provide medical advice, medical monitoring, emergency services, or alerts. For emergencies, call 911 or go to the nearest emergency room. • No medical guidance: BEACON is designed to collect and transmit research data and does not provide interpretations, recommendations, warnings, alerts, or feedback about your health. • Apple services: BEACON relies on Apple HealthKit and other Apple services; your use of Apple products and services is subject to Apple’s terms and privacy practices. Privacy & security • You will provide your date of birth and the token ID provided by the research study team to confirm you are a study participant. • The app also collects certain information automatically (such as app usage, device information, IP address/log data, and analytics information) to operate, secure, and improve the app. • Do not share your access token. If you believe your token or device has been compromised, contact the study team. Support For technical assistance or questions about using the app, contact: beacon@mskcc.org
Screenshots
Verdict
The clearest difference is in-app purchases: MSK BEACON at none against Relay's 6. MSK BEACON also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement 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. Relay sells 5 in-app purchases, starting at $1.99 per 7 days. MSK BEACON asks for nothing beyond the download.
Relay ships an update every 9 days, MSK BEACON every 10 days. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.
| Parameter | Relay | MSK BEACON |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (27 ratings) — better | — |
| Positive reviews | 60.0% of reviews | — |
| Number of ratings | 27 — better | — |
| Update frequency | Every 9 days — better | Every 10 days |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 15.6 — better |
| Further details — not scored | ||
| Size | 118 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | SkillDeck Labs Pte Ltd | Memorial Sloan Kettering Cancer Center |
In-app purchases
Relay
- Relay Pro | Weekly3 Days trial$1.997 Days
- Relay Pro | Monthly2 variants$4.991 Month
- Relay Pro | Onboarding Discount$19.991 Year
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- English$29.991 Year
- Relay Pro | Annual7 Days trial$39.991 Year
MSK BEACON
No in-app purchases









