Comparison

CHEST vs MSD One

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

Head to head
About

CHEST

This app helps attendees plan their experience at the CHEST Annual Meeting. Browse the educational program, build a personal schedule, and access convention center maps. Find details on special events, exhibitors, and important announcements.

Highlights
  • Browse educational program
  • Build personal schedule
  • Bookmark sessions/speakers
  • Convention center maps
  • Exhibitor listings
  • Special event details
  • Receive announcements
Features
Read full description

Plan your schedule and ensure you don't miss key CHEST Annual Meeting sessions with the CHEST-Events app. The app is your best source of information to ensure that you maximize your experience at the CHEST annual meeting. · Browse the entire educational program to build your personal schedule, and bookmark sessions or speakers. · Peruse detailed maps of the convention center and headquarters hotel so that you can easily get wherever you're going. · Find details on special events, how to claim CME, and onsite resources. · Access a listing of exhibitors and see where you can find companies in the Exhibit Hall. · Be the first to know about important announcements and updates from CHEST.

About

MSD One

Enhance hybrid and in-person events with interactive features. Attendees receive personalized agendas, travel updates, and venue info. Facilitate audience engagement through Q&A, polls, and a secure social media wall.

Highlights
  • Personalized agendas
  • Real-time travel updates
  • Moderated Q&A panel
  • Slide saving with annotations
  • Audience polling and gamification
  • Private social media wall
Read full description

Provide active engagement and promote reciprocal learning, boost productivity and efficiency of hybrid and in-person events with MSD One. Elevating the experience Built with the attendee experience in mind, MSD One is custom tailored for each meeting. Providing attendees with personalized agendas, real-time travel updates and notifications as well as venue information and dining recommendations. Optional features include a moderated Q&A panel that empowers attendees to directly engage with presenters. If allowed, attendees can select specific slides to save along with their personal annotations. Let’s learn from each other • Using MSD One during controlled open floor events such as Town Halls or workshops enables meeting organizers to glean invaluable insights from their audience. • A private and secure social media wall facilitates connections, engagement, and interactions among attendees. • Incorporating elements such as polling, gamification, word clouds, babblestream, and more, MSD One ensures allows us to assess presenter effectiveness and track useful metrics of attendee interest, engagement and knowledge retention. With MSD One every event is maximized to its fullest potential.

Screenshots

CHEST3 screens
MSD One4 screens

Verdict

The call

The clearest difference is rating: MSD One at 4.4 against CHEST's 2.8. MSD One also leads on monetization model (free vs ad-supported) and iOS requirement (15.1 vs 17.6). On price, review sentiment, ratings volume and update cadence 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

MSD One holds the better App Store score, 4.4 against 2.8. Both are backed by a comparable volume of ratings — 5 and 7 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

UpkeepUpdate frequency

CHEST ships an update every 10 months, MSD One every 8 months. The most recent releases landed on August 12, 2026 and August 27, 2026 respectively.

Scorecard3 real differences · 7 level
CHEST versus MSD One: the parameters behind the verdict, then further details
ParameterCHESTMSD One
PriceFreeFree
Rating2.8 (5 ratings)4.4 (7 ratings) — better
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings57 — better
Update frequencyEvery 10 monthsEvery 8 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.1 — better
Further details — not scored
Size53 MB39 MB
Age rating4+17+
DeveloperAmerican College of Chest PhysiciansMerck Sharp & Dohme LLC

Customer experience

CHEST

All ratings5 ratings
Positive40.0%
Neutral0.0%
Negative60.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

MSD One

All ratings7 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

CHEST

No in-app purchases

None

MSD One

No in-app purchases

Questions

Is CHEST free?
CHEST is free to download, with no in-app purchases.
Is MSD One free?
MSD One is free to download, with no in-app purchases.
Which has better reviews, CHEST or MSD One?
MSD One is rated higher. CHEST averages 2.8 out of 5 from 5 ratings, while MSD One averages 4.4 from 7 ratings.
Do CHEST or MSD One have ads?
Neither CHEST nor MSD One shows ads.
Which is updated more often, CHEST or MSD One?
CHEST ships an update every 10 months, and MSD One every 8 months. Most recently, CHEST was updated on August 12, 2026 and MSD One on August 27, 2026.

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