RIN Locator vs SpeleoDB
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RIN Locator
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.
- Search by city, state, or zip code
- View requalifier addresses
- Access contact information
- See authorized testing methods
- Check cylinder specifications
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The RIN Locator allows you to search for an approved cylinder requalifier. By entering a city/state or zip code, this tool will provide a list of approved cylinder requalifiers including address, contact information, and the authorized testing methods and cylinder specifications for the approved entity. The web-based version may be accessed at https://portal.phmsa.dot.gov/rinlocator A person must meet the requirements of 49 CFR Sections 107.805, 180.211, and 180.212 to be approved to inspect, test, certify, repair, or rebuild a cylinder in accordance with a DOT specification or a UN pressure receptacle under subpart C of part 178 or subpart C of part 180, or under the terms of a special permit issued under this part.
SpeleoDB
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This application gives you access in a completely offline to the SpeleoDB features we all love. - All your projects on an interactive satellite map - Landmarks, stations, exploration leads, and cylinder installs directly visible - Offline mode that just works: everything is accessible, no network no drama. - Offline satellite images that just pops ! - Force resync when you're back online - Project panel to toggle what's visible on the map You can't check a website from inside a cave, or underwater or in a cave. This app makes sure you don't have to.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 September 4, 2026 and September 24, 2026 respectively.
| Parameter | RIN Locator | SpeleoDB |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (8 ratings) — better | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 18 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.4 |
| Further details — not scored | ||
| Size | 29 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Pipeline and Hazardous Materials Safety Administration | SpeleoDB |
In-app purchases
RIN Locator
No in-app purchases
SpeleoDB
No in-app purchases
