# Slug Finder vs Raid Analyser

The clearest difference is update cadence: Raid Analyser at every 9 days against Slug Finder's every 6 months. Raid Analyser also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.4). On price, 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.

Slug Finder ships an update every 6 months, Raid Analyser every 9 days. The most recent releases landed on November 5, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Slug Finder | Raid Analyser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/slug-finder/id6746819673/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 80 MB | 48 MB |
| Requires iOS | 18.4 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Philine Marchetta](https://appshunter.io/developer/1818680732) | [Gianmichele Iaria](https://appshunter.io/developer/1718432648) |

## What reviewers say

### Slug Finder

[App page](https://appshunter.io/ios/app/slug-finder/id6746819673)

Discover and identify nudibranchs and sea slugs along California's Central Coast. Features visual filters, detailed species profiles, and an offline sightings log with geotagging. Includes educational facts and ID quizzes for marine life enthusiasts.

**Highlights:** Visual species identification filters, Detailed nudibranch profiles, Offline sightings log with geotagging, Educational nudibranch facts, Species identification quizzes, High-resolution images

**Features:** macOS Compatibility

**In-app purchases:** none


### Raid Analyser

[App page](https://appshunter.io/ios/app/raid-analyser/id6754834525)

**In-app purchases:** none


## Frequently asked questions

### Is Slug Finder free?

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

### Is Raid Analyser free?

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

### Do Slug Finder or Raid Analyser have ads?

Neither Slug Finder nor Raid Analyser shows ads.

### Which is updated more often, Slug Finder or Raid Analyser?

Slug Finder ships an update every 6 months, and Raid Analyser every 9 days. Most recently, Slug Finder was updated on November 5, 2026 and Raid Analyser on October 25, 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.*