# SARA CaveExplorer vs Fish Disease Identifier

The clearest difference is in-app purchases: SARA CaveExplorer at none against Fish Disease Identifier's 2. Fish Disease Identifier's advantage is update cadence (weekly vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Fish Disease Identifier sells 2 in-app purchases, starting at $4.99 per 7 days. SARA CaveExplorer asks for nothing beyond the download.

SARA CaveExplorer ships an update every 5 months, Fish Disease Identifier weekly. The most recent releases landed on October 10, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | SARA CaveExplorer | Fish Disease Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fish-disease-identifier/id6761323697/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 10 MB | 40 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Nexor Technology Srl](https://appshunter.io/developer/1441529062) | [Szymon Niemiec](https://appshunter.io/developer/1853026562) |

## What reviewers say

### SARA CaveExplorer

[App page](https://appshunter.io/ios/app/sara-caveexplorer/id6470936930)

**Features:** macOS Compatibility

**In-app purchases:** none


### Fish Disease Identifier

[App page](https://appshunter.io/ios/app/fish-disease-identifier/id6761323697)

Instantly identify potential fish health issues by analyzing a photo of your fish. Get guidance on likely conditions, urgency, and recommended actions for aquarium keepers.

**Highlights:** AI photo analysis for disease identification, Guidance on condition, urgency, and contagiousness, Immediate action steps and monitoring signs, Possible causes and water check recommendations, Treatment options and prevention tips, Scan history for tracking, Common fish health issue identification

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per 7 days |
| Premium | $29.99 | per year |


## Frequently asked questions

### Is SARA CaveExplorer free?

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

### Is Fish Disease Identifier free?

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

### Do SARA CaveExplorer or Fish Disease Identifier have ads?

Neither SARA CaveExplorer nor Fish Disease Identifier shows ads.

### Which is updated more often, SARA CaveExplorer or Fish Disease Identifier?

SARA CaveExplorer ships an update every 5 months, and Fish Disease Identifier weekly. Most recently, SARA CaveExplorer was updated on October 10, 2026 and Fish Disease Identifier on October 23, 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.*