Comparison

Lynx Defense Range App vs GunKoo

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

Head to head
About

Lynx Defense Range App

This app helps firearm owners meticulously track their firearms, ammunition, and gear. It logs range trips, grades targets, and syncs data securely across devices, even working offline.

Highlights
  • Track firearms, ammo, and gear
  • Log range trips and round counts
  • Grade targets and track accuracy
  • Secure cloud sync and offline support
  • Firearm maintenance reminders
  • View Lynx Defense order history
Features
Read full description

Lynx Defense Range App is the complete tool for tracking your firearms, ammunition, gear, and range activity — all in one place. TRACK YOUR FIREARMS • Log your entire collection with make, model, caliber, and photos • Track round counts automatically as you log range trips • Set maintenance intervals and get notified when service is due • Serial numbers are stored only on your device and never uploaded — your privacy is protected MANAGE AMMUNITION • Keep an inventory of all your ammo by brand and caliber • Quantities update automatically when you log range trips • Know exactly what you have before your next range day ORGANIZE YOUR GEAR • Track optics, holsters, cases, and accessories • Link gear to specific firearms • Keep notes and purchase dates LOG RANGE TRIPS • Record every trip with date, location, and notes • Select which firearms you shot and rounds fired • Round counts and ammo inventory update automatically • Build a complete history of your training and practice GRADE YOUR TARGETS • Photograph B-27 silhouette targets with your camera and save your results • Track your accuracy over time • See pass/fail SYNC ACROSS DEVICES • Your data syncs securely to the cloud • Switch phones without losing your records • Works offline — sync when you're back online • Serial numbers stay local and are never synced VIEW YOUR ORDERS • See your Lynx Defense order history right in the app • Track shipments and order status PRIVACY FIRST We built this app with your privacy in mind. Firearm and gear serial numbers are stored exclusively on your device and are never transmitted to our servers. Your data is yours. FEATURES • Clean, modern interface designed for quick access • Works offline at the range • Secure cloud backup • Sign in with Apple supported • Dark mode support Whether you're a competitive shooter tracking practice sessions, a collector managing your armory, or someone who wants to stay on top of firearm maintenance — Lynx Defense Range App has you covered. Download now and take control of your range day.

About

GunKoo

Features
Read full description

GunKoo, where Koo has a similar pronunciation as the Chinese character for Storage (库, or kù), is the complete firearms inventory management app designed for collectors, enthusiasts, and sport shooters. Keep your entire collection organized with detailed tracking, beautiful photo galleries, and powerful search capabilities—all stored securely on your device. COMPREHENSIVE FIREARMS TRACKING • Capture every detail: brand, model, generation, variant, caliber, and serial number • Track military designations and firearm types • Upload multiple photos with gallery support and key photo selection • Record purchase information including cost, date, and source • Monitor ownership status (owned, wanted, sold, transferred, disposed) • Add custom notes and specifications AMMUNITION INVENTORY MANAGEMENT • Track ammunition by caliber, brand, bullet type, and grain weight • Monitor current stock levels with automatic quantity tracking • Record acquisition and usage transactions with full history • Set minimum thresholds and get low-stock alerts • Track ammunition costs and purchase sources • Attach photos to each ammunition type ACCESSORIES ORGANIZATION • Catalog scopes, optics, magazines, and all accessories • Link accessories to specific firearms • Track accessory types, costs, and purchase details • Upload photos for each accessory • Add custom notes and specifications POWERFUL SEARCH & ORGANIZATION • Search across all items instantly • Filter by caliber, type, status, and more • Sort by name, date, or custom criteria • View detailed summaries of your entire collection • Track total inventory value automatically BACKUP & RESTORE • Export complete backups including all photos and data • Restore your collection on new devices • Clear data before importing to avoid duplicates • All backups stored locally for your privacy INVENTORY INSIGHTS • View collection statistics at a glance • Track total firearms owned vs. wanted • Monitor ammunition stock levels • Calculate total collection value • Identify low-stock ammunition PRIVACY & SECURITY • All data stored locally on your device • No cloud storage or external servers • Your data never leaves your device • Complete offline functionality • Optional backups you control BEAUTIFUL DESIGN • Clean, intuitive interface • Light and dark mode support • Optimized for iOS and iPadOS • Fast, responsive performance • Regular updates and improvements Whether you're a collector managing hundreds of items or a sport shooter tracking essentials, GunSafe gives you the tools to stay organized. No subscriptions, no cloud requirements—just a powerful, private inventory system that works the way you do. Download GunKoo today and take control of your firearms inventory.

Screenshots

Lynx Defense Range App4 screens
GunKoo4 screens

Verdict

The call

The clearest difference is update cadence: Lynx Defense Range App at every 2 days against GunKoo's every 6 weeks. GunKoo's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Lynx Defense Range App ships an update every 2 days, GunKoo every 6 weeks. Both last shipped on November 9, 2026.

Scorecard2 real differences · 8 level
Lynx Defense Range App versus GunKoo: the parameters behind the verdict, then further details
ParameterLynx Defense Range AppGunKoo
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 2 days — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS17.015.1 — better
Further details — not scored
Size14 MB66 MB
Age rating12+12+
DeveloperLynx DefenseKAI,NING KUO

In-app purchases

None

Lynx Defense Range App

No in-app purchases

None

GunKoo

No in-app purchases

Questions

Is Lynx Defense Range App free?
Lynx Defense Range App is free to download, with no in-app purchases.
Is GunKoo free?
GunKoo is free to download, with no in-app purchases.
Do Lynx Defense Range App or GunKoo have ads?
Neither Lynx Defense Range App nor GunKoo shows ads.
Which is updated more often, Lynx Defense Range App or GunKoo?
Lynx Defense Range App ships an update every 2 days, and GunKoo every 6 weeks. Most recently, Lynx Defense Range App was updated on November 9, 2026 and GunKoo on November 9, 2026.

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