# Fish Identifier vs Mass Master

The clearest difference is in-app purchases: Mass Master at none against Fish Identifier's 2. Mass Master also leads on ads (none vs shown). Fish Identifier's advantage is update cadence (every 3 weeks vs every 12 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Fish Identifier sells 2 in-app purchases, starting at $3.99 per 7 days. Mass Master asks for nothing beyond the download.

Fish Identifier ships an update every 3 weeks, Mass Master every 12 months. The most recent releases landed on October 22, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Fish Identifier | Mass Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (44 ratings)](https://appshunter.io/ios/app/fish-identifier-fish-id/id1591573074/reviews)** | — |
| Number of ratings | **44** | — |
| Positive reviews | 67.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 12 months |
| Monetization | Free with in-app purchases | — |
| Size | 90 MB | 28 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Huong Vu Lan](https://appshunter.io/developer/1591573076) | [Mass Master d.o.o](https://appshunter.io/developer/1763684600) |

## What reviewers say

### Fish Identifier

[App page](https://appshunter.io/ios/app/fish-identifier-fish-id/id1591573074)

Instantly identify fish species using AI by taking or uploading a photo. Access a vast encyclopedia of over 3000 fish with detailed information and save your discoveries.

**Highlights:** AI-powered fish identification from photos, Database of 3000+ fish species, Detailed fish information, Save identified fish to collection, Fuzzy search for similar fish

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fish ID Weekly | $3.99 | per 7 days |
| Fish ID Yearly | $39.99 | per year |

**What reviewers like**

- 📸 Accurate fish identification
- 📚 Extensive fish encyclopedia
- 💡 Fast recognition speed
- 👍 Easy to use
- 👨‍👩‍👧‍👦 Great for families

**What reviewers complain about**

- 💰 Expensive subscription
- 💸 Unclear pricing
- 🚫 Limited free usage
- ⚠️ Inaccurate identification sometimes
- 📺 Excessive ads

**Reported bugs**

- Error message 'none value'
- Unable to identify fish consistently
- Subscription cancellation issues
- Incorrect identification of species

**Requested features**

- More free identifications
- Clearer pricing upfront
- Option to disable ads
- Better freshwater fish identification
- Refund for non-working subscriptions


### Mass Master

[App page](https://appshunter.io/ios/app/mass-master/id6642717620)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fish Identifier free?

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

### Is Mass Master free?

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

### Do Fish Identifier or Mass Master have ads?

Fish Identifier shows ads; Mass Master does not.

### Which is updated more often, Fish Identifier or Mass Master?

Fish Identifier ships an update every 3 weeks, and Mass Master every 12 months. Most recently, Fish Identifier was updated on October 22, 2026 and Mass Master on October 11, 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.*