# Fish Identifier vs ECOunit

The clearest difference is update cadence: ECOunit at monthly against Fish Identifier's every 9 months. On price, ads, 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.

Fish Identifier ships an update every 9 months, ECOunit monthly. The most recent releases landed on October 9, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Fish Identifier | ECOunit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fish-identifier/id6748757135/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Monthly** |
| Monetization | Free | — |
| Size | 18 MB | 9 MB |
| Requires iOS | **17** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kawaii](https://appshunter.io/developer/1696001381) | [ESC](https://appshunter.io/developer/1884401181) |

## What reviewers say

### Fish Identifier

[App page](https://appshunter.io/ios/app/fish-identifier/id6748757135)

Instantly identify fish species from photos using AI. Explore a detailed field guide with thousands of species, learn about marine life through educational articles, and connect with a community of enthusiasts. Track your discoveries with a personal catch log.

**Highlights:** AI-powered photo identification, Comprehensive species field guide, Community identification sharing, Educational articles on marine life, Personal catch log, Advanced search filters

**Features:** macOS Compatibility

**In-app purchases:** none


### ECOunit

[App page](https://appshunter.io/ios/app/ecounit/id6760427718)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fish Identifier free?

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

### Is ECOunit free?

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

### Do Fish Identifier or ECOunit have ads?

Neither Fish Identifier nor ECOunit shows ads.

### Which is updated more often, Fish Identifier or ECOunit?

Fish Identifier ships an update every 9 months, and ECOunit monthly. Most recently, Fish Identifier was updated on October 9, 2026 and ECOunit on October 3, 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.*