Comparison

GridDown vs PrepShield

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

Head to head
About

GridDown

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GridDown Survival Wheel helps you organize your trusted emergency team before disaster strikes. Assign critical roles like Security, Shelter, Medical, Food/Water, Communications, Leadership, and Morale to people you trust most. Store contact details, skills, and photos so you can quickly reach the right person when it matters. Instantly call or text team members directly from the wheel for fast coordination. Plan ahead with built-in Bug-Out Locations. Add and name multiple safe locations by selecting them directly on the map, mark a primary location, and share directions instantly with your team through a simple Google Maps link. The app works offline by storing everything locally on your device so your plan is always available. Track your team readiness with a visual strength indicator that shows how prepared your group is at a glance. You can also share your full Survival Wheel as an image to help organize and recruit your trusted circle. GridDown helps you prepare, organize, and respond when it matters most.

About

PrepShield

Features
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PrepShield is the only preparedness app your household needs. Track emergency supplies, build bug-out bags for any scenario, store critical documents offline, and learn essential survival skills โ€” all without ever needing an internet connection. INVENTORY MANAGEMENT Track food, water, medical supplies, gear, and ammo with smart categorization. Get expiration alerts and low-stock warnings before it's too late. Log consumption to know exactly what you're using and when to restock. Scan barcodes for quick item entry. READINESS DASHBOARD See your household preparedness score at a glance. Monitor water, food, and medical supply levels scaled to your family size. Receive seasonal alerts customized to your region โ€” from hurricane season to winter storm prep. Get supply duration estimates so you know how long you can hold out. BUG-OUT BAG BUILDER Choose from six emergency scenarios โ€” general evacuation, natural disaster, grid-down, winter storm, wildfire, and extended wilderness. PrepShield cross-references your actual inventory to show exactly what you have, what you're missing, and your readiness percentage. DOCUMENT VAULT Store photos of IDs, passports, insurance cards, prescriptions, birth certificates, and other critical documents. Organized into 13 categories with over 100 document types. Everything stays on your device โ€” completely offline and private. PREP NOTES Organize your emergency plans, medical info, and preparedness knowledge in topic-based notebooks. Use the quick journal for daily thoughts. Starter prompts help you think through the plans that matter most. SURVIVAL REFERENCE LIBRARY Illustrated knot guide with step-by-step instructions. Morse code encoder, NATO phonetic alphabet, and emergency radio frequencies. Solar calculator for off-grid energy planning. Comprehensive field guides covering water purification, fire starting, shelter building, first aid, and more. EXPORT AND SHARE Export your full inventory as a CSV spreadsheet, printable checklist, or detailed report. Share with family members or print for your emergency binder. BUILT FOR PRIVACY All of your data is stored locally on your device. No accounts, no cloud, no subscriptions, no tracking. Your preparedness is personal and private.

Screenshots

PrepShield4 screens

Verdict

The call

The clearest difference is device support: PrepShield at 2 against GridDown's โ€”. GridDown's advantage is iOS requirement (13.0 vs 17.0). On price and in-app purchases there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences ยท 4 level
GridDown versus PrepShield: the parameters behind the verdict, then further details
ParameterGridDownPrepShield
PriceFreeFree
Update frequencyโ€”Every 2 days
Adsโ€”No
In-app purchasesNoNo
Devicesโ€”iPhone, iPad โ€” better
Requires iOS13.0 โ€” better17.0
Further details โ€” not scored
Size6 MB12 MB
Age rating4+12+
DeveloperYOURFULLSTACK, LLCCHRISTOPHER BRADLEY WOOD

In-app purchases

None

GridDown

No in-app purchases

None

PrepShield

No in-app purchases

Questions

Is GridDown free?
GridDown is free to download, with no in-app purchases.
Is PrepShield free?
PrepShield is free to download, with no in-app purchases.

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