CrabGear vs Calibration Keeper
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CrabGear
This app helps West Coast Dungeness Crab Fishery captains report lost fishing gear recovery. Recovery Captains in participating ports can log the location and time of recovered gear.
- Report lost fishing gear recovery
- Log location of recovered gear
- Log time of recovered gear
- Support West Coast Dungeness Crab Fishery efforts
- Participating port captain functionality
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CrabGear supports supports the efforts of the West Coast Dungeness Crab Fishery to collect lost fishing gear. Recovery Captains in participating ports can use this mobile application to report where and when gear are recovered.
Calibration Keeper
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Calibration Keeper is a product of Trihydro Corporation designed to help teams capture, store, and report data related to the calibration of equipment used in the field for Leak Detection and Repair.
Screenshots
Verdict
CrabGear and Calibration Keeper are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Both ship on a similar rhythm, roughly every 16 months. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.
| Parameter | CrabGear | Calibration Keeper |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 16 months | Every 16 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 12 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | The Nature Conservancy | Trihydro Corporation |
In-app purchases
CrabGear
No in-app purchases
Calibration Keeper
No in-app purchases
Questions
Is CrabGear free?
Is Calibration Keeper free?
Do CrabGear or Calibration Keeper have ads?
Which is updated more often, CrabGear or Calibration Keeper?
Other comparisons
