# Null Island — Admissible in Residency Audits > Tax audit evidence platform for residency and income allocation. (iPhone/iPad app by NullPoint LLC.) - Source: https://appshunter.io/ios/app/null-island/id6754407865 (this page in markdown: same URL + `.md`) - Developer: [NullPoint LLC](https://appshunter.io/developer/1848218345) - Category: Finance, Business - Price: Free - Age rating: 4+ - Requires: iOS 17.0 · 38 MB - Languages: American English - Released: 2025-12-30 - Data updated: 2026-06-03 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/null-island/id6754407865/reviews.md ## What is Null Island? ** Null Island is a companion application for individual and enterprise taxpayers who utilize Null Island’s tax compliance platform directly, through their advisors, or through their enterprise. ** USE CASES Tax Domicile | Tax Residency | Income Allocation | UBT EVIDENCE THAT COUNTS Not all applications are created equal. Some are built for casual tracking; Null Island is built for high‑stakes tax audits. With Null Island, you will walk into an audit with court-grade evidence designed to support defensible location records in high-stakes tax audits. If your evidence falls short, what’s at risk is back taxes, penalties, interest, and professional time that can run into tens or hundreds of thousands of dollars. That’s why several leading practitioners recommend Null Island: it’s designed to stand up to scrutiny and resolve audits quickly and confidently. ADMISSIBLE BY DESIGN. Admissible evidence does not happen by accident. Null Island is natively architected with audit scrutiny in mind, including in high-enforcement jurisdictions. Null Island’s platform has supported taxpayers and their advisors in several audits. WHY NULL ISLAND * Engineered for Completeness: Proprietary location algorithms are tuned for data completeness, reducing gaps that can weaken your evidence. * Evidence that agrees with itself: By bringing together travel records, expense receipts, toll records — and even selfies — alongside app location data, Null Island helps your residency story corroborate itself.  * Modern under the hood: Simple on the surface. We use modern data infrastructure and intelligence behind the scenes so your day-to-day experience feels as straightforward as it should. * Case Ready: Outputs arrive in final, audit-ready form, so you or your advisor can review or submit them directly — without burning hours doing the rework. PRIVACY FIRST. We are a privacy‑first company. We never sell or disclose your data, ever. Data is encrypted at rest and in transit and stored on secure servers in the US and EU. You control retention and export. We maintain a vetted list of sub-processors and follow data-minimization and least-privilege principles. SERVICE MATTERS. Your time is your most valuable asset. Null Island offers a concierge-style experience—real people, available on your schedule—to help you get set up, stay on track, and feel confident before and during an audit. Our job is to do the worrying so you don’t have to. Questions? Reach out to us any time at support@nullisland.ai or ask your tax or wealth advisor. Null Island does not provide tax or legal advice. Please consult your professional advisors for guidance specific to your situation. ## Key features - Court-grade tax audit evidence - Supports tax domicile and residency - Income allocation and UBT tracking - Proprietary location algorithms - Corroborates residency with travel and expenses - Audit-ready evidence output - Concierge-style user support ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/null-island/id6754407865/reviews.md ### 5/5 — So far so great *2026-03-10* Been using this for a couple of months and I’m very impressed. Unlike some tracking apps, this identifies your location hourly, even if you’re not moving. This will be very helpful in the event of a tax audit. ## Frequently asked questions about Null Island ### What is Null Island used for? Null Island is a companion application for taxpayers and their advisors to generate court-grade evidence for tax audits. It helps establish tax domicile, residency, and income allocation by compiling location data and other relevant records. ### Is Null Island secure? Yes, Null Island is a privacy-first company. Data is encrypted at rest and in transit, stored on secure servers in the US and EU, and is never sold or disclosed. You control data retention and export. ### What kind of evidence does Null Island provide? Null Island provides court-grade evidence designed to support defensible location records. It integrates travel records, expense receipts, toll records, selfies, and app location data to corroborate your residency story. ### How does Null Island help with tax audits? Null Island is engineered for audit scrutiny, producing case-ready outputs that can be reviewed or submitted directly. This helps taxpayers and advisors resolve audits quickly and confidently, potentially avoiding back taxes, penalties, and interest. ### Does Null Island offer support? Yes, Null Island offers a concierge-style experience with real people available to help users get set up, stay on track, and feel confident before and during an audit. You can reach out to support@nullisland.ai. ### What devices does Null Island support? Null Island is currently supported on iPhone devices. The app was last updated on February 23, 2026, with version 1.04. ### Is Null Island free to use? Yes, Null Island is available for free. There are no in-app purchases or advertisements associated with the application. ### Does Null Island provide tax advice? No, Null Island does not provide tax or legal advice. Users are advised to consult their professional advisors for guidance specific to their situation. ## Version history (last 5 releases) ### 1.04 — 2026-02-23 Streamlined user experience. ### 1.03 — 2026-01-27 Enhanced camera functionality. ### 1.02 — 2026-01-19 Intelligent widget that provides up-to-date visibility into days left in locations you watch. Enhanced location capture to ensure fewer data gaps and more continuous data for a stronger, more credible audit record. Activity log that records changes and modifications for better auditability. ### 1.01 — 2026-01-07 Enhanced location capture ### 1.0 — 2025-12-31 No release notes. ## Related topics [null island](https://appshunter.io/ios/topics/null-island) · [noonan llc](https://appshunter.io/ios/topics/noonan-llc) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-03.*