# RT vs 1st

The clearest difference is review sentiment: 1st at 100% against RT's 0%. 1st also leads on rating (5.0 vs 3.0) and in-app purchases (none vs 5). RT's advantage is chart position (#189 vs unranked). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. RT sells 5 one-off in-app purchases. 1st asks for nothing beyond the download.

1st holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 8 and 10 respectively. Written reviews point the same way: 0% of RT's written reviews are positive against 100% of 1st's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | RT | 1st |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (8 ratings)](https://appshunter.io/ios/app/rt-nav/id586307815/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/1st-mate/id1446444330/reviews)** |
| Number of ratings | 8 | **10** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#189** | — |
| Size | 13 MB | 124 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hilton's Fishing Charts, L.L.C.](https://appshunter.io/developer/586307818) | [Mercury Marine LLC](https://appshunter.io/developer/1777822540) |

## What reviewers say

### RT

[App page](https://appshunter.io/ios/app/rt-nav/id586307815)

**Currently charting:** #189 Top Grossing · Navigation (US App Store)

Navigate using real-time oceanographic data like sea surface temperatures and currents on your mobile device. Create and edit waypoints, zoom maps, and track your GPS location for point-to-point navigation. Access dynamic maps even without cell service.

**Highlights:** Real-time oceanographic imagery, Waypoint creation and editing, Map zooming, Point-to-point navigation, Real-time GPS tracking, Offline navigation capabilities

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Day Subscription | $29.99 | one-time |
| 1 Week Subscription | $49.99 | one-time |
| 1 Month Subscription | $99.99 | one-time |
| 1 Year Subscription | $199.99 | one-time |
| One Year International | $199.99 | one-time |


### 1st

[App page](https://appshunter.io/ios/app/1st-mate/id1446444330)

Control your boat's engine and security features remotely. Receive man overboard alerts and manage access for others. Enhances safety and security for boaters.

**Highlights:** Theft Deterrent control, Man Over Board alerts, Time-limited access granting, Proximity-based engine disabling, Emergency contact notifications

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RT free?

RT is free to download, with in-app purchases available.

### Is 1st free?

1st is free to download, with no in-app purchases.

### Which has better reviews, RT or 1st?

1st is rated higher. RT averages 3.0 out of 5 from 8 ratings, while 1st averages 5.0 from 10 ratings.

### Do RT or 1st have ads?

Neither RT nor 1st shows ads.

### Which is updated more often, RT or 1st?

RT ships an update monthly, and 1st monthly. Most recently, RT was updated on October 9, 2026 and 1st on October 6, 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.*