# RIN Locator vs SpeleoDB

The clearest difference is update cadence: SpeleoDB at every 3 weeks against RIN Locator's every 18 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.

RIN Locator ships an update every 18 months, SpeleoDB every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | RIN Locator | SpeleoDB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (8 ratings)](https://appshunter.io/ios/app/rin-locator/id954888821/reviews)** | — |
| Number of ratings | **8** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 29 MB | 21 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pipeline and Hazardous Materials Safety Administration](https://appshunter.io/developer/954888820) | [SpeleoDB](https://appshunter.io/developer/1876406634) |

## What reviewers say

### RIN Locator

[App page](https://appshunter.io/ios/app/rin-locator/id954888821)

Find approved cylinder requalifiers by city, state, or zip code. Get addresses, contact details, and authorized testing methods for each entity. This tool helps users locate qualified professionals for cylinder inspection and certification.

**Highlights:** Search by city, state, or zip code, View requalifier addresses, Access contact information, See authorized testing methods, Check cylinder specifications

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

**In-app purchases:** none


### SpeleoDB

[App page](https://appshunter.io/ios/app/speleodb/id6759017618)

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

**In-app purchases:** none


## Frequently asked questions

### Is RIN Locator free?

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

### Is SpeleoDB free?

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

### Do RIN Locator or SpeleoDB have ads?

Neither RIN Locator nor SpeleoDB shows ads.

### Which is updated more often, RIN Locator or SpeleoDB?

RIN Locator ships an update every 18 months, and SpeleoDB every 3 weeks. Most recently, RIN Locator was updated on October 24, 2026 and SpeleoDB 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.*