GOV.UK One Login vs WhichStats

You can use the GOV.UK One Login app to prove your identity to access some government services. It works by matching your face to your photo ID. You can also use this app to save a digital version of your HM Armed Forces Veteran Card to your phone. In future you'll be able to save other digital documents, such as your driving licence. This is not available yet. Before you start You need to get this app if you’re: • using a service on the GOV.UK website that asks you to prove your identity with GOV.UK One Login • saving your digital Veteran Card to your phone You’ll be guided to this app when it is time to use it. What you need You can use any of the following types of photo ID to prove your identity: • UK passport • non-UK passport with a biometric chip • UK photocard driving licence • UK biometric residence permit (BRP) • UK biometric residence card (BRC) • UK Frontier Worker permit (FWP) You can use an expired driving licence if it expired in the last 90 days and it was issued by DVLA. You can use an expired BRP, BRC or FWP up to 24 months after its expiry date. You need to have your original photo ID with you. You cannot use a photocopy or digital copy. You will also need: • a well-lit area where you can take a good quality photograph • an iPhone 8 or newer • iOS 16.7 or higher How it works You'll need to sign in to the app with your GOV.UK One Login details. This links the app to the GOV.UK website so you can continue proving your identity. If your photo ID is a passport, BRP, BRC or FWP you will: • take a photo of your photo ID • scan the biometric chip in your photo ID using your phone • scan your face using your phone If your photo ID is a driving licence you will: • take a photo of your driving licence • scan your face using your phone What happens next Once your information has been submitted in the app, you'll need to go back to the GOV.UK website, so you can finish proving your identity and access the service you were trying to use.   Privacy and security The personal information you provide to prove your identity will not be saved either on the app or on your phone. We collect your data securely and delete it when it is no longer needed. Digital documents you add to the app will be saved on your phone so you can access them whenever you need.

Choose the correct statistical test for your data. WhichStats guides you to the right test so you can analyse your data with confidence. Answer simple questions about your study design, variables, and goals, and get a tailored recommendation—with assumptions, what to report, and what to do if assumptions fail. Guided wizard Step through a short decision tree: describe your outcome (continuous, binary, count, etc.), number of groups, whether data are paired or independent, and your goal (compare groups, predict, survival, agreement, and more). The app recommends a test and explains why it fits. Clear, practical recommendations Each recommendation includes: • The suggested test • Key assumptions to check • What to report (e.g. effect sizes, CIs) • Suggested plots • What to do if assumptions are violated Explore tests Browse and filter tests by goal and variable type. Tap any test for a summary of typical use, assumptions, reporting tips, and suggested plots. Glossary Look up terms (e.g. normal distribution, p-value, confidence interval, logistic regression, survival analysis) with short definitions and real-world examples from lab and clinical research. Pro Unlock the full report (what to report, suggested plots, alternatives), decision path, and extra guidance on effect size, post-hoc tests, and multiple testing. Free tier still gives you the recommended test name and assumptions. Whether you’re running a t-test, ANOVA, regression, or survival analysis, WhichStats helps you choose and report the right test. For Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/