Checkers & references

275 projects, page 1 of 5

• Tell Someone — Send a complete check-in message with escalation steps

  Generate a ready-to-paste safety text with your activity, location, return deadline, and a step-by-step escalation script your contact follows if you don’t come back. No app install on either phone.

  Checkers & references · Safety & emergencies

• Rabies Check: Do I Need Rabies Shots After an Animal Bite?

  A fast interactive decision tree for animal bites, scratches, and saliva contact. Answer 4–6 questions about the exposure and get one clear, time-bound action backed by CDC ACIP and WHO rabies PEP guidance.

  Checkers & references · Everyday life

• Pet Vax Check: Is This Post-Vaccine Symptom Normal or an Emergency?

  A time-specific go/wait decision tool for post-vaccination symptoms in pets. Select vaccine, enter hours since shot, and tap symptoms for an instant, caution-biased verdict.

  Checkers & references · Health & body

• Connection Check — Find Your Weakest Social Link

  A 90-second self-assessment that maps your social connection across four dimensions — close ties, weak ties, depth, and community — then names your weakest area and gives you one concrete weekly action.

  Checkers & references · Words & language

• Fix or Wait — Is it safe to drive with that car symptom?

  A safety-prioritized triage guide for 60 common car symptoms. Get an instant fix-now, fix-soon, or can-wait verdict with a one-sentence risk explanation and cited source.

  Checkers & references · Travel & transport

• Routine Audit — See the shape of your week and score it

  A no-account routine audit: enter your typical 7-day schedule as time-blocks, get a color-coded week-grid, a transparent variety score (0–100), and two concrete swaps.

  Checkers & references · Everyday life

• Worth the Drive — Is the cheaper price up the road worth the gas?

  Find out if the cheaper price further away beats the fuel cost of getting there. Enter the price gap, distance, MPG, and quantity to get a clear verdict, break-even quantity, and full math you can verify.

  Checkers & references · Travel & transport

• Pet Plant Check — Is This Plant Toxic to Cats or Dogs?

  Search any houseplant and instantly see if it is toxic to cats or dogs, with clinical signs from ASPCA. Works offline. Built for pet owners at the nursery.

  Checkers & references · Work & productivity

• Pill Stack — Check if your cold meds are secretly double-dosing you

  Pill Stack lets you search and select OTC medications by brand name, then instantly visualizes every active ingredient stacked across products with total dose vs FDA daily limits.

  Checkers & references · Health & body

• Quake Sense — Felt a tremor? Know your intensity in 20 seconds

  Quake Sense is a rapid earthquake intensity checker. Answer a few questions about what you physically experienced to get an honest Modified Mercalli Intensity reading with plain-language risk guidance.

  Checkers & references · Safety & emergencies

• Wild Safe — Wildlife Encounter Protocol Guide

  Know exactly what to do when you see wildlife — by species, by behavior, in 10 seconds. Mobile field reference sourced from official wildlife agencies.

  Checkers & references · Safety & emergencies

• Tetanus Check: Do I Need a Tetanus Shot? | 15-Second CDC Guide

  A 4-question interactive tool that checks CDC tetanus prophylaxis guidelines for your specific wound and vaccination history. Get a quick, reliable answer.

  Checkers & references · Everyday life

• Delay Rights — Am I Owed Compensation For My Delayed Flight?

  Free 30-second checker: know exactly what your delayed flight owes you under EU261, UK261, or US rules, and get a paste-ready claim email. No sign-up, no middleman cut.

  Checkers & references · Travel & transport

• Morning Friction — Audit Your Wake-Up Routine

  See exactly which part of your wake-up routine is wrecking your mornings. Get a morning friction score 0-100 with a point-by-point breakdown and a prescribed 3-day experiment.

  Checkers & references · Everyday life

• Diplo Decode – Diplomatic Phrase Decoder & Reference

  Decode vague diplomatic headlines in 5 seconds. Search 80 curated phrases to instantly see the true strategic signal—Threat, Bluff, Concession, Stalling, or Progress—backed by cited analysis.

  Checkers & references · News & media

• Sleepover Check: 10 Sourced Safety Questions for Parents

  A bookmarkable sleepover safety decision tool for parents. Answer 10 sourced questions about the host home and get a copy-paste action list to text the host parent.

  Checkers & references · Safety & emergencies

• Reenter Check — Is Your Building Safe After an Earthquake?

  A free post-earthquake structural safety screener. Answer 6 yes/no questions about visible damage and get a clear verdict — safe to occupy, inspect before re-entering, or do not enter — based on ATC-20 guidelines.

  Checkers & references · Safety & emergencies

• Plant Clock — Check Any Houseplant Watering Schedule in 5 Seconds

  A clean reference card for 80 common houseplants: search by name and instantly see a 4-season watering grid, light level, toxicity warning, and a yes/no on whether to water now. Sourced from horticultural references and Cooperative Extension guides.

  Checkers & references · Words & language

• Heat Signs — Spot the stage, act in seconds

  A single-screen reference for heat illness stages. Tap the card matching observed symptoms to see exactly what to do right now and whether to call emergency services.

  Checkers & references · Weather & climate

• Fake Mark — Spot Fake Auto Parts in 10 Seconds

  A photo-illustrated authenticity checklist for auto parts. Pick a category — brake pads, oil filters, spark plugs, timing belts, or batteries — and instantly see the specific visual markers that separate real from fake.

  Checkers & references · Travel & transport

• Additive Check — EFSA, FDA & WHO Food Additive Safety Search

  Search any food additive or E-number and see EFSA, FDA, and WHO safety stances side by side on one screen with sources. Make a quick, informed grocery decision.

  Checkers & references · Food & drink

• Contract Check — Find Risky Clauses in 3 Minutes

  Find the exact risky clauses in your lease, employment, freelance, or service contract. Get exact Ctrl+F search phrases with plain-language explanations and negotiation tips. No uploads, no AI.

  Checkers & references · Law, rights & politics

• Store Closing? Claim Sheet — Triage Your Assets

  Check every asset you have at a closing store — gift cards, warranties, points, orders, financed purchases, returns — and get one prioritized action list with cited sources.

  Checkers & references · Everyday life

• First Job Check: Legal Jobs, Hours & Permits for Teens by Age

  A clean, scannable reference for parents and teens to instantly find age-eligible jobs, hour limits, permit requirements, and hazardous job exclusions based on US federal labor laws. Filter by age to get clear answers without reading 40-page PDFs.

  Checkers & references · Work & productivity

• Fridge Clock — Is Your Food Safe After a Power Outage?

  Find out what is still safe to eat after a power outage in 20 seconds. Enter outage duration, door status, and freezer fullness for a per-item keep-or-toss verdict with USDA reasoning.

  Checkers & references · Safety & emergencies

• Refund Right: Bank Scam Rights, Deadlines & Call Script

  Find out what your bank owes you after a scam — by fraud type and country — in 30 seconds. See your reporting deadline, obligations, evidence checklist, and a dispute-call script.

  Checkers & references · Money & crypto

• Leave Check - See Exactly When and How to Leave a Job, Lease, or Contract

  A practical reference for exiting common commitments. Get a printable, phase-by-phase exit timeline and checklist with key costs called out upfront.

  Checkers & references · Law, rights & politics

• Loophole Hunt - Spot the loopholes in real rules before someone else does

  A timed game where you read real rules, policies, and AI prompts, tap the text you think is exploitable, and discover the gaps you missed with real documented exploit cases. Train your eye to write airtight instructions.

  Checkers & references · Travel & transport

• Cool Myth — Spot the Cooling Hacks That Actually Work

  A 2-minute daily game that trains you to tell real cooling methods from plausible-sounding myths. Tap Works or Myth, get the instant physics verdict.

  Checkers & references · Work & productivity

• Dog Decode 🐕 | Normal or Vet? Get a Verdict in 10 Seconds

  Is this normal or should you call the vet? Dog Decode gives a clear normal / monitor / see-vet verdict with cited threshold ranges in 10 seconds.

  Checkers & references · Everyday life

• Breach Steps — 48-Hour Action Checklist | Federal Sourced

  A pocket-sized breach response checklist. Pick the breached institution type (bank, email, tax, healthcare, social, shopping) and get a 6-step 48-hour action plan sourced to CISA, FTC, HHS, and NIST.

  Checkers & references · Money & crypto

• Battery Hours — Will My Phone Battery Last the Hours I Need?

  Enter your current battery percentage and the hours you need it to last. Get an instant yes/no verdict and a ranked list of exactly which settings to change to close the gap.

  Checkers & references · Everyday life

• Cam Check - Sweep Hotel Rooms for Hidden Cameras in 5 Minutes

  A one-handed, tap-through checklist to sweep hotel rooms and Airbnbs for hidden cameras. 8 visual steps with diagrams. No scrolling, works offline.

  Checkers & references · Travel & transport

• Source Decoder – Identify Any News Source Type in 10 Seconds

  A browsable reference of 15 news source types. Click any type to see its structural strengths, weaknesses, reliability tier, common red flags, and a real example pattern with citations.

  Checkers & references · News & media

• Turn Back — Go/No-Go Thresholds for Outdoor Safety

  A field-ready reference of go/no-go thresholds for hiking, kayaking, beach, and winter travel. Each screen shows one measurable abort trigger with its source from NPS, NOAA, USGS, or the American Red Cross.

  Checkers & references · Safety & emergencies

• Offline Card — Printable Emergency Wallet Card | Free Tool

  Build your offline emergency card in 2 minutes. A guided 12-field checklist for phone numbers, medical info, insurance, and family meeting points. Print a wallet-sized card. No internet needed.

  Checkers & references · Safety & emergencies

• Warm Without Power — Safe Heating When the Boiler Dies

  A color-coded triage reference of alternative heating methods using only household items. Green cards show what is safe to do right now, yellow cards require caution, and red cards flag improvised methods that cause carbon monoxide deaths every winter.

  Checkers & references · Safety & emergencies

• Stain Fix — Fix any stain in two taps with 3 steps and a danger warning

  A stain-removal reference for moments when something just spilled. Pick the stain type and fabric to get three numbered steps using household items, plus a bold danger warning.

  Checkers & references · Safety & emergencies

• Water Safe — Is the water safe right now? Get a 10-second verdict

  A water safety reference tool for the 10-second decision moment. Pick your situation — power outage, flood, well water, traveling, bottled, rainwater — and get a clear verdict card with reason, action steps, duration, and a named dated source. Built on CDC, WHO, and EPA emergency protocols.

  Checkers & references · Safety & emergencies

• Storm Check

  🧲 Storm Body 🇬🇧 EN 🇷🇺 RU 🇪🇸 ES 🇨🇳 ZH What the storm actually does to your body — by strength. Every symptom claim is evidence-rated. Effects are generally…

  Checkers & references · Weather & climate

• Where is the batch number? | Batch Check

  See exactly where batch and lot numbers are printed on medications, formula, cosmetics, supplements, vehicles, and consumer products — then check them against official recall databases.

  Checkers & references · Everyday life

• Crack Check - Triage Wall Cracks in Three Taps

  A quick interactive tool that triages wall and foundation cracks. Select the type, width, and location to get a deterministic severity tier and clear next action, backed by cited ASCE, FHA, and IRC engineering thresholds.

  Checkers & references · Everyday life

• Control List 🫧 | Circle of Control Tool

  A 60-second circle of control tool for anyone feeling overwhelmed. Type your worries, sort them by what you can actually control, and get a visual ratio plus an auto-extracted action checklist to help you find calm.

  Checkers & references · Everyday life

• Empathy Check — Test Your Gut Read Against Real Research

  A daily 90-second game: rank emotions by how common you think they were, then reveal the actual study ranking with citation. Track your calibration streak.

  Checkers & references · Everyday life

• AI Legal Red Flags — 20 Documented Hallucination Patterns

  A browsable catalog of 20 AI legal hallucination patterns — each with an anonymized real example, plain-language explanation, source citation, and fix checklist.

  Checkers & references · Law, rights & politics

• Safe to Open — Post-Earthquake Re-Entry Checklist | 8 Checks, 30 Seconds

  Tap through 8 visual checks at your doorframe and get an instant GO / CAUTION / STOP screening result. Sourced from FEMA P-528 and USGS guidance.

  Checkers & references · Safety & emergencies

• Aurora Check — Can I See the Northern Lights Tonight?

  Instant yes/no: can I see the aurora from where I am right now? Auto-fetches live NOAA Kp data and tells you in plain language.

  Checkers & references · Words & language

• Car Symptom — Know if it means pull over now or drive home

  A roadside car symptom checker. Select your warning light, sound, smell, or handling change to see a single urgency verdict — STOP NOW, DRIVE CAREFULLY, or SCHEDULE SERVICE — plus one immediate action.

  Checkers & references · Travel & transport

• Blackout Steps — Offline Power Outage Guide

  An offline-first reference for power outages. Three time-blocked action cards sourced from FEMA, Red Cross, and FDA. Install once as a PWA and it works with zero internet.

  Checkers & references · Safety & emergencies

• Pet Food Check 🐾 Instant Toxicity Safety Test for Dogs & Cats

  Search any human food and see a color-coded toxicity verdict for dogs and cats side-by-side in one screen. Built for the dinner-table moment when your pet begs or food drops on the floor.

  Checkers & references · Food & drink

• Claim Code — Food Label Legal Status Lookup

  Search food packaging terms like

  Checkers & references · Food & drink

• Pet Aid: Instant Pet First-Aid Steps for Emergencies

  Tap the behavioral symptom you see to get immediate pet first-aid action steps, what to avoid, and a clear urgency tier. Sourced from AVMA, ASPCA, and Red Cross guidelines.

  Checkers & references · Safety & emergencies

• Shot Check — Pet Vaccine Triage: Normal or Vet-Worthy in 5 Seconds

  Free reference tool for pet owners after vaccinations. Pick pet type and vaccine to see time-bounded triage separating

  Checkers & references · Everyday life

• Receipt Check — Train your eye to catch receipt errors in 10 seconds

  Receipt Check is a timed mini-game that trains you to spot the 5 most common self-checkout scanning errors — double scans, wrong prices, missing discounts, phantom items, and wrong tax.

  Checkers & references · Travel & transport

• Crash Steps — 4 Steps to Take in the First 5 Minutes After a Crash

  A roadside-ready emergency reference that shows four oversized, numbered action cards the moment you open it, with a one-time-tap-to-call button for your local emergency number.

  Checkers & references · Safety & emergencies

• Overtime Owed — Check if your payslip matches the law

  A payslip-verification tool for hourly workers in the US, UK, and Germany. Enter your base rate, overtime hours, and payslip amount — get an instant MATCH / SHORT / ABOVE flag with legal citation.

  Checkers & references · Law, rights & politics

• Mix Safe — Can I Mix These Two Cleaners?

  Instant compatibility checker for household cleaners. Tap any two products from a list of ~30 common household cleaners and get a SAFE, CAUTION, or DANGER verdict with the specific gas or reaction named.

  Checkers & references · Safety & emergencies

• Tip Check — Paste any trading tip, see your real risk

  Paste a raw trading signal from Telegram, Discord, or WhatsApp. Instantly see R:R ratio, position size, max loss, fee-adjusted profit, and a plain-English go/no-go verdict.

  Checkers & references · Money & crypto

• Still Safe? — How Long Food Lasts in a Fridge Without Power

  See how long your food stays safe and what to eat first when the power is out. A USDA-baselined safety window and ranked eat-first checklist for power outages.

  Checkers & references · Food & drink

• Room Check — 30-Second Hotel Fire Safety Inspection

  Tap through 7 NFPA-sourced fire safety checks for your hotel room. Get a pass/fail card with specific actions in 30 seconds.

  Checkers & references · Safety & emergencies