Comparison

QR Maker vs TerraWarn

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

QR Maker

Features
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QR Maker is the all-in-one QR code toolkit for iPhone — create, customize, scan and share QR codes in seconds. Everything runs on your device, with no accounts, no ads, and no data collection. CREATE ANY QR CODE • Links, text, email, phone and SMS • Wi-Fi networks (scan to connect instantly) • Contact cards (vCard), calendar events and locations • WhatsApp, PayPal and crypto wallets DESIGN LIKE A PRO • 30+ ready-made templates • Colors, gradients and background photos • Square, rounded or dot styles and custom eye shapes • "Scan me" frames, fonts and your own logo • Save your designs in folders and reopen them anytime SCAN ANYTHING • Fast camera scanner with flashlight and bulk mode • Scan straight from a photo, act on the result in one tap • Full, searchable scan history EXPORT & SHARE • Poster, square, story and sticker sizes • PNG, PDF and SVG (vector — perfect for print) • AirPrint, batch mode and CSV import MORE • Home Screen and Lock Screen widgets, Control Center • Apple Watch app, Siri & Shortcuts • Works on iPhone and iPad PRIVATE BY DESIGN QR Maker works offline and never collects, tracks, or shares your data. Download QR Maker and turn anything into a QR code — beautifully.

About

TerraWarn

Features
Read full description

TerraWarn helps you stay informed about natural hazards and prepare for emergencies with hazard alerts, interactive maps, preparedness tools, emergency resources, and safety guidance. IMPORTANT DISCLAIMER TerraWarn is an independent application. It is NOT affiliated with, endorsed by, authorized by, or operated by any government, government agency, emergency service, or public authority. TerraWarn does not represent a government entity and is not a government service. Information is provided for informational and educational purposes only. It does not replace official emergency alerts, instructions from authorities, professional medical advice, or emergency services. In an emergency, contact local emergency services and follow official instructions. SOURCES OF INFORMATION TerraWarn uses information obtained or adapted from these publicly available sources: • U.S. Geological Survey (USGS) — Earthquakes https://earthquake.usgs.gov/ • NASA EONET — Natural events https://eonet.gsfc.nasa.gov/ • Global Disaster Alert and Coordination System (GDACS) — Disaster alerts https://www.gdacs.org/ • U.S. Centers for Disease Control and Prevention (CDC) — Health & emergency preparedness https://www.cdc.gov/ • American Red Cross — First aid & preparedness https://www.redcross.org/ • Ready.gov (U.S. Department of Homeland Security) — Hazard safety & preparedness https://www.ready.gov/ • AirNow.gov (U.S. Environmental Protection Agency) — Air quality & wildfire smoke https://www.airnow.gov/ • OpenStreetMap — Map data and nearby-facility locations (hospitals, pharmacies, fire and police stations) https://www.openstreetmap.org/ Consult the original sources and relevant local authorities for authoritative and current information. HAZARD ALERTS View supported events including earthquakes, wildfires, floods, storms, volcanic activity, and other natural hazards. Choose the hazards you want to follow and configure available severity preferences. INTERACTIVE HAZARD MAP Explore supported hazard events on a map and view available details such as location, magnitude, depth, affected area, and event information. Where available, access the corresponding original source. EMERGENCY CONTACTS Quickly access emergency calling features and contact information. Emergency numbers vary by country and region and should be verified with local authorities. EMERGENCY GUIDES Access general safety information for earthquakes, floods, wildfires, hurricanes, severe storms, tornadoes, volcanic events, and other supported hazards. Guidance is based on the sources listed above and does not replace official instructions. FIRST AID & MEDICAL GUIDES Access general information about CPR, severe bleeding, burns, choking, stroke, heart attack, seizures, poisoning, and broken bones. Relevant content is based on publicly available American Red Cross and CDC guidance. Medical information is educational only and does not replace professional medical training, diagnosis, treatment, or emergency medical care. PREPAREDNESS Create emergency checklists and track essential supplies such as water, food, first-aid items, flashlights, radios, and important documents. MEDICAL PROFILE Store emergency information you choose to enter, including blood type, allergies, medications, and medical notes. This organizational feature does not provide diagnosis or treatment. NEARBY HELP Use location-based features to find supported nearby hospitals, pharmacies, fire stations, police stations, and other facilities, sourced from OpenStreetMap. Always verify critical information during an emergency. PRIVACY No account is required. Location is used when needed for location-based features such as nearby hazards and facilities. TerraWarn is an independent informational and preparedness app, NOT a government application. For authoritative emergency information, consult the original sources above and follow instructions from local authorities.

Screenshots

QR Maker4 screens
TerraWarn4 screens

Verdict

The call

The clearest difference is price: TerraWarn at Free against QR Maker's $14.99. QR Maker's advantage is ads (none vs shown). On update cadence, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

TerraWarn is free to download; QR Maker costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 12, 2026 and September 9, 2026 respectively.

Scorecard2 real differences Ā· 4 level
QR Maker versus TerraWarn: the parameters behind the verdict, then further details
ParameterQR MakerTerraWarn
Price$14.99Free — better
Update frequencyEvery 2 weeksEvery 2 weeks
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS17.016.4 — better
Further details — not scored
Size5 MB54 MB
Age rating4+4+
DeveloperBirkan Aksoymohamed oumaalla

In-app purchases

None

QR Maker

No in-app purchases

None

TerraWarn

No in-app purchases

Questions

Is QR Maker free?
QR Maker costs $14.99, with no in-app purchases.
Is TerraWarn free?
TerraWarn is free to download, with no in-app purchases.
Do QR Maker or TerraWarn have ads?
TerraWarn shows ads; QR Maker does not.
Which is updated more often, QR Maker or TerraWarn?
QR Maker ships an update every 2 weeks, and TerraWarn every 2 weeks. Most recently, QR Maker was updated on September 12, 2026 and TerraWarn on September 9, 2026.

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