Cressi Scuba Free Dive Computer

The Cressi Scuba Free is the dive computer to beat at the budget end of the market — it does the fundamentals well enough for new divers to trust, and the price leaves money in your pocket for actual diving.

At $362, it's roughly a third of the cost of the mid-range competition, which makes it an obvious choice for newly certified divers kitting up for the first time or experienced divers who want a reliable backup unit. It won't dazzle anyone with its feature list, but it handles air, nitrox, and basic freediving modes through a single-button interface that's simple enough to learn on the boat ride out to your first dive site.

## Overview

The Cressi Scuba Free is a wrist-mounted dive computer running Cressi's proprietary RGBM (Reduced Gradient Bubble Model) algorithm. It supports air and nitrox modes (21-50% O2), a basic freedive mode, and features a large segmented display that prioritises readability over aesthetics.

The single-button operation is both the computer's greatest strength and its most notable limitation. For straightforward recreational diving — the kind most people do on weekend shore dives at Shelly Beach or boat dives out of Mooloolaba — you switch it on, check your gas mix, and dive. The display is clear and the numbers are large enough to read without perfect vision. Cressi's RGBM algorithm tends to run slightly conservative compared to Suunto's Fused RGBM or the Pelagic algorithms used by Oceanic, which means you may get slightly less bottom time on repetitive dives. For newer divers, that conservatism is arguably a feature rather than a bug.

Compared to the Aqualung i100, the Cressi offers a freedive mode and arguably better ergonomics. Against the Mares Puck Pro+, it's a close contest, but the Cressi's larger display gives it an edge for readability underwater.

Build quality is acceptable for the price. The housing is solid plastic rather than the reinforced composites found on pricier units, and the strap is functional without being luxurious. It'll handle years of recreational diving if you rinse it properly after saltwater use — a step that matters more in Australia's warm tropical waters where salt crystallisation happens fast.

## Key Features

- Cressi-RGBM decompression algorithm - Air and nitrox support (21-50% O2) - Dedicated freedive mode with depth and time tracking - Large segmented LCD display for easy reading - Single-button interface for simplified operation - Depth rating suitable for recreational diving - User-replaceable CR2430 battery - Audible alarms for depth, ascent rate, and deco violations - Logbook memory for approximately 60 dives - Lightweight design at approximately 70g

## The Good

- **Unbeatable value for new divers**: At $362, it's the cheapest way to get a reliable, algorithm-driven dive computer on your wrist. For Open Water students buying their first set of gear, this frees up hundreds of dollars for a decent regulator or wetsuit. - **Large, high-contrast display**: The segmented numbers are big enough to read without a mask prescription insert. In the low-visibility conditions common at sites like Port Noarlunga or Cabbage Tree Bay, you can check your depth and NDL with a quick glance. - **User-replaceable battery**: No need to send it away or pay a shop $50-80 for a battery change. A CR2430 coin cell costs a few dollars and can be swapped at home with basic tools. Over the life of the computer, this saves a meaningful amount. - **Conservative algorithm suits newer divers**: Cressi's RGBM model errs on the side of caution. For divers still building experience and refining their buoyancy, having the computer nudge them toward shorter, shallower profiles is no bad thing. - **Freedive mode is a genuine bonus**: Basic but functional. It tracks depth and time without triggering scuba-mode lockouts, which is useful for snorkel-diving or casual freediving between scuba dives.

## The Bad

- **Single-button navigation is slow**: Scrolling through menus and settings with one button requires patience. Changing your nitrox mix on a rocking boat in the Swain Reefs is an exercise in frustration compared to the three-button systems on pricier units. - **No wireless air integration or compass**: At this price point it's expected, but it means you'll always need a console SPG and a separate compass. Your gauge setup stays bulky. - **Limited logbook memory**: Approximately 60 dives of storage fills up quickly if you're diving regularly. You'll need to clear logs periodically, and there's no Bluetooth to offload them to a phone — you're relying on the computer's own display to review past dives. - **Algorithm can be overly conservative on repetitive dives**: On a three-dive day in warm Queensland water, you may find your NDLs noticeably shorter than your buddy's computer. For experienced divers doing multiple deep dives, this can cut into bottom time.

## Verdict

The Cressi Scuba Free does exactly what a budget dive computer should — it gives you accurate, conservative decompression data in a readable format without costing a fortune. It's not going to impress anyone at the dive club with its features, and experienced divers will quickly bump against its limitations. But for new divers buying their first computer, for travellers who want a cheap backup unit, or for anyone who believes that money spent on dive computers is money not spent on diving, the Cressi Scuba Free is hard to argue against. Just don't expect it to grow with you past the recreational basics.