Comparison

PrepVault vs GridDown

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

Head to head
About

PrepVault

Features
Read full description

PrepVault is the survival inventory app built for preppers who take their preparedness seriously. SCAN & TRACK Scan barcodes to auto-fill item details from a database of 3M+ products. Track food, water, medical supplies, gear, fuel, and more across all your storage locations. Adding an item takes under 5 seconds. KNOW YOUR RUNWAY The survival calculator tells you exactly how many days your household can sustain on stored supplies, based on real caloric data and your household size. STAY AHEAD OF EXPIRY Smart notifications alert you before items expire. Color-coded status keeps your rotation on track: Ready, Expiring, Critical, Expired. Never waste supplies again. PRIVACY FIRST โ€” ZERO CLOUD All data stored locally on your device. No cloud. No accounts. No analytics. No tracking. No ads. Your OPSEC is our priority. Backups are encrypted with AES-256 and stored only where you choose. BUILT FOR PREPPERS - Multi-location tracking (bunker, garage, BOB, vehicle, cabin) - Barcode scanner with Open Food Facts auto-fill - Survival duration calculator per household - Expiry alerts with smart FIFO rotation guidance - PDF export for hard copies โ€” keep one in your binder - Encrypted local backup to SD/USB/AirDrop - 5 languages (English, Spanish, Catalan, German, French) - Works 100% offline after first barcode cache FREE TO START Track up to 30 items with 1 storage location. Upgrade to PrepVault Pro for unlimited items, survival calculator, PDF export, encrypted backup, and more. FLEXIBLE UPGRADE OPTIONS - Monthly โ€” Full access, cancel anytime - Annual โ€” Best value, save 37% - Lifetime โ€” One payment, yours forever Your preps. Your vault. Zero cloud. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

GridDown

Features
Read full description

GridDown is your personal emergency preparedness and survival planning app. Build your survival team, organize essential supplies, save bug-out locations, create emergency plans, and know exactly where to go when normal systems are unavailable. BUILD YOUR SURVIVAL TEAM Create your trusted emergency network and assign members to important roles including Leadership, Security, Medical, Food & Water, Shelter, Communications, and Morale. Add skills, contact information, notes, photos, and saved locations for each member. PLAN YOUR BUG-OUT LOCATIONS Save multiple bug-out destinations, rally points, supply locations, and other important places. Choose your primary destination and use Apple Maps to view locations and navigate when needed. TRACK FOOD & WATER Build an inventory of emergency food, water, and long-term storage items. Organize quantities, expiration dates, storage locations, and preparedness goals. ORGANIZE YOUR SUPPLIES Track medical supplies, power equipment, lighting, communications gear, tools, fuel, clothing, hygiene products, vehicle equipment, and other essentials. BUILD GO BAGS Create individual emergency bags for yourself, family members, vehicles, or specialized purposes. Use checklists to quickly see what is ready and what is missing. CREATE EMERGENCY PLANS Prepare plans for power outages, severe storms, evacuations, extended grid failures, communication outages, and other emergencies. Create rally points, assign responsibilities, and organize the actions your team should take. SEE YOUR READINESS GridDown brings your preparedness information together into a simple dashboard so you can quickly identify missing team roles, supplies, locations, and planning tasks. MAP YOUR PLAN View team member locations, bug-out destinations, rally points, medical locations, supply caches, and other important places using Apple Maps. OFFLINE-FIRST & PRIVATE Emergency information shouldn't depend on an internet connection or an online account. GridDown is designed around locally stored preparedness information so your essential plans remain available on your device. Whether you're preparing for a storm, extended power outage, evacuation, natural disaster, or simply want your family better organized, GridDown gives you one place to build your plan before you need it. Know your people. Know your supplies. Know where you're going. Be ready with GridDown.

Screenshots

PrepVault4 screens
GridDown4 screens

Verdict

The call

The clearest difference is in-app purchases: GridDown at none against PrepVault's 3. PrepVault's advantage is update cadence (fortnightly vs every 6 months) and iOS requirement (15.1 vs 26.5). On price, ads and device support 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. PrepVault sells 3 in-app purchases, starting at $1.99 per month. GridDown asks for nothing beyond the download.

UpkeepUpdate frequency

PrepVault ships an update fortnightly, GridDown every 6 months. Both last shipped on October 28, 2026.

Scorecard3 real differences ยท 3 level
PrepVault versus GridDown: the parameters behind the verdict, then further details
ParameterPrepVaultGridDown
PriceFreeFree
Update frequencyFortnightly โ€” betterEvery 6 months
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS15.1 โ€” better26.5
Further details โ€” not scored
Size38 MB6 MB
Age rating4+4+
DeveloperPau EsmeratsYOURFULLSTACK, LLC

In-app purchases

3 purchases

PrepVault

Subscriptions2
  • Tactical - Monthly$1.991 Month
  • Operational โ€” Annual$14.991 Year
One-time1
  • Bunker Mode โ€” Lifetime$29.99
None

GridDown

No in-app purchases

Questions

Is PrepVault free?
PrepVault is free to download, with in-app purchases available.
Is GridDown free?
GridDown is free to download, with no in-app purchases.
Do PrepVault or GridDown have ads?
Neither PrepVault nor GridDown shows ads.
Which is updated more often, PrepVault or GridDown?
PrepVault ships an update fortnightly, and GridDown every 6 months. Most recently, PrepVault was updated on October 28, 2026 and GridDown on October 28, 2026.

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