# TZ First Mate vs Ditch

The clearest difference is rating: TZ First Mate at 5.0 against Ditch's 4.0. TZ First Mate also leads on review sentiment (100% vs 64%) and in-app purchases (none vs 2). Ditch's advantage is update cadence (monthly vs every 3 months) and ratings volume (23 vs 3). On price, ads and device support there is nothing between them.

Both are free to download. Ditch sells 2 in-app purchases, starting at $24.99 per year. TZ First Mate asks for nothing beyond the download.

TZ First Mate holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Ditch has 23 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of TZ First Mate's written reviews are positive against 64% of Ditch's.

TZ First Mate ships an update every 3 months, Ditch monthly. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | TZ First Mate | Ditch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/tz-first-mate/id1498838385/reviews)** | [4.0 (23 ratings)](https://appshunter.io/ios/app/ditch-boat-navigation/id1667064532/reviews) |
| Number of ratings | 3 | **23** |
| Positive reviews | **100.0% of reviews** | 64.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 70 MB | 72 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [株式会社フルノソフテック](https://appshunter.io/developer/1015812767) | [Extent Devices LLC](https://appshunter.io/developer/1665685027) |

## What reviewers say

### TZ First Mate

[App page](https://appshunter.io/ios/app/tz-first-mate/id1498838385)

Easily log fishing catches and photos directly from your phone while on the water. Data syncs wirelessly to your compatible Furuno MFD and backs up to the cloud. Access MFD system details and report issues.

**Highlights:** Create catches and photos, Wireless synchronization to MFDs, Cloud backup of user objects, View MFD system details, Report issues via log

**In-app purchases:** none


### Ditch

[App page](https://appshunter.io/ios/app/ditch-boat-navigation/id1667064532)

Enhance your boating experience with intelligent routing and accurate arrival time predictions. Visualize historical vessel traffic and customize charts for a personalized view of waterways, ensuring safer and more confident journeys on the water.

**Highlights:** AI-powered smart routing, Accurate ETA predictions, Historical AIS data visualization, Customizable marine charts, Live navigation view, Up-to-date waterway information

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ditch Student Subscription | $24.99 | per year |
| Ditch Annual iOS Subscription | $29.99 | per year |


## Frequently asked questions

### Is TZ First Mate free?

TZ First Mate is free to download, with no in-app purchases.

### Is Ditch free?

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

### Which has better reviews, TZ First Mate or Ditch?

TZ First Mate is rated higher. TZ First Mate averages 5.0 out of 5 from 3 ratings, while Ditch averages 4.0 from 23 ratings.

### Do TZ First Mate or Ditch have ads?

Neither TZ First Mate nor Ditch shows ads.

### Which is updated more often, TZ First Mate or Ditch?

TZ First Mate ships an update every 3 months, and Ditch monthly. Most recently, TZ First Mate was updated on October 12, 2026 and Ditch 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.*