# US Sailing Racing Rules vs DBMIBS

The clearest difference is rating: US Sailing Racing Rules at 3.9 against DBMIBS's 1.4. US Sailing Racing Rules also leads on ads (none vs shown) and review sentiment (30% vs 14%). DBMIBS's advantage is update cadence (every 2 weeks vs every 4 months). On price, ratings volume, in-app purchases and device support there is nothing between them.

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

US Sailing Racing Rules holds the better App Store score, 3.9 against 1.4. Both are backed by a comparable volume of ratings — 29 and 10 respectively. Written reviews point the same way: 30% of US Sailing Racing Rules's written reviews are positive against 14% of DBMIBS's.

US Sailing Racing Rules ships an update every 4 months, DBMIBS every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | US Sailing Racing Rules | DBMIBS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (29 ratings)](https://appshunter.io/ios/app/us-sailing-racing-rules/id1536827107/reviews)** | [1.4 (10 ratings)](https://appshunter.io/ios/app/dbmibs/id1665694398/reviews) |
| Number of ratings | **29** | 10 |
| Positive reviews | **30.0% of reviews** | 14.3% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 18 MB | 32 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [US SAILING](https://appshunter.io/developer/358318666) | [INFORMA GROUP PLC](https://appshunter.io/developer/1220316125) |

## What reviewers say

### US Sailing Racing Rules

[App page](https://appshunter.io/ios/app/us-sailing-racing-rules/id1536827107)

Access and reference the official racing rules of sailing anytime, anywhere. This app offers searchable rules, media resources, and tools to submit protests and draw animated diagrams.

**Highlights:** Searchable racing rules, Real-time rule reference, Protest and redress submission, Animated protest diagrams, Media resources

**In-app purchases:** none


### DBMIBS

[App page](https://appshunter.io/ios/app/dbmibs/id1665694398)

Navigate the world's largest boat and yacht show with this official app. Discover a vast range of watercraft, from kayaks to superyachts, and explore the latest marine innovations. Plan your visit with interactive maps, event schedules, and exhibitor information.

**Highlights:** Exhibitor search and favorites, Filter new and brokerage boats, Special events and seminar schedule, Interactive show maps, Exclusive updates and notifications

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is US Sailing Racing Rules free?

US Sailing Racing Rules is free to download, with no in-app purchases.

### Is DBMIBS free?

DBMIBS is free to download, with no in-app purchases.

### Which has better reviews, US Sailing Racing Rules or DBMIBS?

US Sailing Racing Rules is rated higher. US Sailing Racing Rules averages 3.9 out of 5 from 29 ratings, while DBMIBS averages 1.4 from 10 ratings.

### Do US Sailing Racing Rules or DBMIBS have ads?

DBMIBS shows ads; US Sailing Racing Rules does not.

### Which is updated more often, US Sailing Racing Rules or DBMIBS?

US Sailing Racing Rules ships an update every 4 months, and DBMIBS every 2 weeks. Most recently, US Sailing Racing Rules was updated on October 24, 2026 and DBMIBS on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*