ULKA

Tech worth your time.

Guides & comparisons

Practical technology guides and comparisons for everyday decisions.

A cloud marked 5 GB beside a full storage bar split into photos, backups, messages, and mail and Drive, each with a way to clear space.
iCloud ·

How to free up iCloud storage before paying for more

Clear old backups, photos, Messages attachments and Mail before you pay for a bigger iCloud+ plan.

Chat bubbles feed a card drawer with tabs for ChatGPT, Claude and Gemini, beside a settings panel with switches for memory and past chats.
ChatGPT ·

ChatGPT vs Claude vs Gemini memory: what each one remembers

What ChatGPT, Claude and Gemini carry between chats, where to see it and how to make each one forget.

An old builder site sends boxes of pages, products and contacts to a new host, while a 301 redirect links the old page address to the new one.
Website builders ·

How to move a website off a website builder

What Wix and Squarespace let you export, what you rebuild by hand and how to keep old links working.

A speech bubble holds four prompt parts, goal, context, format and limits, which lead to an answer card with a check mark.
AI chatbots ·

How to write AI prompts that get a usable answer

Four parts that make a chatbot prompt work: the goal, the context, the format and the limits.

Illustration of a Windows Security settings window with four sections and a shield
Antivirus ·

Windows Security settings worth checking

Seven Windows Security switches to check in Windows 11, from tamper protection to memory integrity.

A magnifying glass over a landscape image points to two checks: a Content Credentials record and an invisible watermark.
AI images ·

How to tell if an image is AI-generated

Check an image's Content Credentials and watermarks, and know what a missing label does not prove.

A parent's phone shows switches for age ratings, play time, spending and chat beside a game controller labelled Xbox, PlayStation and Switch.
Gaming ·

Console parental controls on Xbox, PlayStation and Switch

Set age ratings, play time, spending and chat limits on Xbox, PlayStation and Nintendo Switch.

A video meeting with notes switched on produces a document that can go to the host, the team or all guests.
AI tools ·

AI meeting notes privacy: consent, storage and settings

Who can switch on AI notes in Zoom, Meet, Teams and Otter, who gets a copy and where the notes are kept.

VPN ·

Is a free VPN safe? What free plans limit and what to check

What research found inside free VPN apps, how the reputable free plans limit you and five checks before installing one.

Monitors ·

Choosing a home-office monitor: size, resolution and ports

Choose a home-office monitor by checking desk fit, native resolution, laptop output, USB-C and stand adjustment.

A project folder holds instructions, chats and files together, while a gem of saved instructions starts separate new chats
ChatGPT ·

ChatGPT Projects vs Claude Projects vs Gemini Gems: which to use

Projects keep chats and files together; Gems save instructions. Compare plans, sharing and sources.

A domain connects to a DNS records card: A and CNAME records lead to a website, while the MX record leads to email
Domains ·

How to connect a custom domain to a website builder

Add the right DNS records for Wix, Squarespace or Framer without breaking the email already on your domain.

Laptops ·

How to check laptop battery health on Windows and Mac

Read laptop battery capacity on Windows or macOS, judge the percentage and slow wear with charge settings.

A phone shows three text threads: a registered sender name, an Unverified thread and an ordinary phone number, beside Stop, Check and Protect
Scams ·

How to spot scam texts and calls in Australia

What the "Unverified" SMS label means, the warning signs ACMA lists, and what to do if you have replied.

Australian presence branches into .au general use and .com.au business eligibility
Domains ·

Register an .au domain: eligibility and steps

Choose .au or .com.au, prepare Australian presence evidence and keep the domain licence in the right name.

A device app starts its tunnel on the device; a router client starts it on the router
VPN ·

VPN on router vs device: choose your setup

Compare router and device VPN setups by coverage, compatibility, control and the devices you take away from home.

Archive box and download arrow for a Google data export
Google Takeout ·

Google Takeout: download your data without missing a product

Google Takeout builds a portable archive of selected Google products. It is an export, not a complete backup service.

Privacy control sliders in ULKA lime and ink
AI chatbots ·

AI chatbot privacy settings: training and history

ChatGPT, Claude and Gemini expose different controls for model training, saved activity and temporary chats.

Five rising broadband speed bars connect a home router to several household devices.
NBN ·

NBN Speed Tiers Explained: Which Plan Fits Your Home?

Every NBN speed tier from 12/1 to 2000 Mbps, by technology, with Fixed Wireless speeds.

Two phones with photos and message lines, connected by transfer arrows.
Mobile ·

Moving Android to iPhone: What Transfers

Check copied data, messages and account access before erasing the old phone.

Four steps for preparing a phone for sale, beside a handset showing its welcome screen
Mobile phones ·

How to wipe a phone before selling or trading it in

Back up your files, move your number and release account locks before erasing an iPhone or Android for sale.

Smartphones ·

eSIM transfer to a new phone in Australia: moving your number

Move your number to a new phone by eSIM: Quick Transfer, Android transfer and the Telstra, Optus and Vodafone apps.

Smartphones ·

How long will your phone get security updates? Check before you buy

Pixel, Galaxy and iPhone update policies compared, and how to work out the support a phone has left.

Three second-factor options ranked: a security key or passkey at the top, an authenticator app in the middle and SMS or email codes at the bottom.
Two-factor authentication ·

Authenticator app or SMS code: which second factor to use

Why an authenticator app beats an SMS code, where security keys fit, and how to switch without locking yourself out.

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