# TZ First Mate vs Fish Mapping

The clearest difference is review sentiment: TZ First Mate at 100% against Fish Mapping's 50%. TZ First Mate also leads on rating (5.0 vs 3.7) and monetization model (free vs subscription). Fish Mapping's advantage is update cadence (every 3 weeks vs every 3 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

TZ First Mate holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews point the same way: 100% of TZ First Mate's written reviews are positive against 50% of Fish Mapping's.

TZ First Mate ships an update every 3 months, Fish Mapping every 3 weeks. The most recent releases landed on September 24, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | TZ First Mate | Fish Mapping |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/tz-first-mate/id1498838385/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/fish-mapping/id6450968706/reviews) |
| Number of ratings | 3 | 3 |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | **Free** | Subscription |
| Size | 70 MB | 57 MB |
| Requires iOS | **8.0** | 13.4 |
| 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) | [OceanBytes Holding LLC](https://appshunter.io/developer/1686599948) |

## 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


### Fish Mapping

[App page](https://appshunter.io/ios/app/fish-mapping/id6450968706)

This app provides detailed fishing recommendations and environmental data to help anglers find the best spots for bait and game fish. It displays information like plankton strength, sea surface temperature, and ocean currents to optimize fishing trips.

**Highlights:** Fishing Recommendations, Weed Lines, Plankton Front Strength, Sea Surface Temperature, Sub-Surface Temperatures, Sea Surface Height Anomalies, Ocean Currents

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TZ First Mate free?

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

### Is Fish Mapping free?

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

### Which has better reviews, TZ First Mate or Fish Mapping?

TZ First Mate is rated higher. TZ First Mate averages 5.0 out of 5 from 3 ratings, while Fish Mapping averages 3.7 from 3 ratings.

### Do TZ First Mate or Fish Mapping have ads?

Neither TZ First Mate nor Fish Mapping shows ads.

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

TZ First Mate ships an update every 3 months, and Fish Mapping every 3 weeks. Most recently, TZ First Mate was updated on September 24, 2026 and Fish Mapping on September 27, 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.*