Comparison

Blitzl vs CardGate

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

Head to head
About

Blitzl

This app facilitates private, location-based messaging for organizations and individuals. It allows seamless communication with nearby contacts, staff, or friends, and offers optional physical sensors for location-aware announcements and broadcasts. No phone numbers are exchanged, ensuring privacy.

Highlights
  • Location-based private chat
  • Optional physical sensors (Blitzers)
  • Broadcast messaging
  • Effortless location sharing
  • Geofencing flexibility
  • No phone number exchange
Features
Read full description

Eigent offers Blitzl, a flexible solution for organizations with impromptu messaging needs, in both a Free and low cost, physical sensor Pro version. It's private chat that seamlessly sets up by user location, category and shared interest. With Blitzl, you can seamlessly communicate with anyone in your vicinity, whether they are a patron, staff member, friend, or family member. Simply open the app, tap on a Category and then the name. You can then send them a message and start a chat. Now With Blitzl Blast Functionality For Repetitive Use Durable Blitzl sensors (Blitzers) with long battery life can be strategically located to provide crucial, location-aware customer service and announcements directly. Easily join a Blitzer to receive informative broadcast messages. Share location directly via private messages, which both you and the organization can view on Google Maps for easy direction access. Gain even more precise interior context as up to three Nearby Blitzers can also be revealed. Blitzl Blast software and physical button can automate custom message broadcast, location sharing and precise interior context for repeated uses or potential emergencies. You can easily unjoin a Blitzer when you no longer need updates. No mobile phone numbers or other credentials ever need to be revealed or exchanged. Benefits of using the Blitzl platform include: 1. Increased Efficiency: Blitzl can help to save time and boost productivity by improving information flow; 2. Improved Communication: Blitzl can help staff to communicate more effectively with patrons and with each other, which can lead to a better experience for everyone; 3. Enhanced Customer Satisfaction: Patrons who experience an entity that uses Blitzl are more likely to be satisfied with their experience, which can lead to repeat business and positive word-of-mouth; and 4. Stronger Community: Blitzl can help individuals network and communicate more effectively with each other, which can create a tighter bond. Our patent-pending Blitzl Solution delivers: 1. Quick Setup: Implement in minutes with minimal effort. 2. Geofencing Flexibility: Supports both nearby and geo-fenced communication for patrons, employees, friends, and acquaintances. 3. Customizable Geofencing: Set geofences for your Discovery Range (Blitzer owner) and Blitzers In Range (Blitzer viewer). 4. Direct Communication: Connects patrons directly with the right person with each available Blitzer. 5. Dynamic Sensor Location: Set, reset, or continuously update the Blitzer sensor’s physical location with its paired device. 6. Private Broadcast Messaging: Send private messages to selected members or all members joined to a registered Blitzer sensor. 7. Effortless Location Sharing: Send messages with a GPS location link to Google Maps and/or with Nearby Blitzers. 8. Private Replies: Get responses to your broadcast messages directly, keeping group chats free from unnecessary noise. 9. Blitzl Blast: Quickly send repetitive custom messages or indoor/outdoor location updates with a simple tap. 10. Real-Time Member Tracking: Track the number of joined members and export up to 7 days of activity in CSV format. 11. On-Demand App Download: Instantly provide a download link for first-time users. 12. Proximity Alerts: Know when a patron is near, their exact location, and how long they’ve been waiting for service. 13. Seamless, Contact-Free Engagement: Enhance your customer interactions without disrupting your operation, ensuring a smooth and efficient experience. More information, including instructions for effective use, can be found at www.blitzl.com. If in the unlikely event you want to delete your account, just email customersupport@eigent.com and provide your registered mobile phone number. We will delete your account and confirm the action within 72 hours.

About

CardGate

Features
Read full description

CardGate turns your phone's distractions into study motivation. Pick the apps that waste your time, bring your flashcards (or let AI generate them), and your phone won't open those apps until you pass a quiz. BUILT FOR • Students grinding Anki for exams (USMLE, MCAT, A-levels, Abitur, bar prep) • Language learners building vocab in Spanish, Japanese, German, and more • Anyone trying to cut screen time — but tired of apps that just nag HOW IT WORKS 1. Pick the apps that distract you — Instagram, TikTok, games, anything 2. Add flashcards: import an Anki .apkg, paste a CSV, generate with AI, or use the built-in starter deck 3. Open a blocked app — tap "Take Quiz" on the shield. Pass to unlock the app 4. Track your streak and watch your screen time drop FLASHCARDS YOUR WAY • Import Anki decks (.apkg) with full media — images, audio, cloze deletions, image occlusion, LaTeX/MathJax • Paste CSV or TSV from Quizlet, Excel, or any spreadsheet • Create cards directly in the app • AI flashcard generator — paste your notes (or upload a .txt or .pdf) and get a deck back. Free with your own ChatGPT/Claude account using paste-back, or one-tap Direct AI with affordable credit packs (no subscription required) • Built-in starter deck on first launch QUIZ MODES • Flip — read the answer, self-grade • Multiple Choice — AI-generated distractors or smart on-device fallbacks SMART STUDYING • Card selection prioritizes cards you struggle with and haven't seen recently • Wrong answers re-queue until you get them right EARN TIME MODE Don't want hard blocks? Switch on Earn Time — answer cards to bank screen-time minutes, then spend them on the apps you've blocked. PER-APP CONTROL • Cooldowns so passing a quiz buys you 0–60 minutes of access before the shield returns • Halfway and 1-minute-warning notifications before the shield comes back • Set the card count required per app TRACK YOUR PROGRESS • Daily streak • Weekly and monthly study stats • Recent quiz history FREE VS PREMIUM • Free: 1 blocked app + 1 deck (up to 500 cards), Flip and Multiple Choice modes, paste-back AI generation, cooldowns, Earn Time mode, all stats • Premium: unlimited blocked apps, unlimited decks, unlimited cards per deck, recurring AI credits each period • Plus: pay-as-you-go AI credit packs for one-tap Direct AI generation — no subscription required PRIVACY FIRST All your data stays on your device. No accounts, no analytics, no ads, no tracking. AI generation only sends the text you choose to generate from — never your decks, browsing data, or anything else. ABOUT FAMILY CONTROLS (SCREEN TIME) CardGate uses Apple's official Family Controls / Screen Time APIs to block apps. You'll be asked to grant permission once during setup. Apps you select are tokenized by Apple — CardGate never sees the actual list of apps you've installed and never reads your screen. SUBSCRIPTION TERMS Premium is offered as Weekly, Monthly, Yearly auto-renewable subscriptions and a one-time Lifetime purchase. Subscriptions auto-renew unless canceled at least 24 hours before the period ends. Manage or cancel any time in Settings → Apple ID → Subscriptions. Privacy policy and terms linked below. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Blitzl4 screens
CardGate4 screens

Verdict

The call

The clearest difference is in-app purchases: Blitzl at none against CardGate's 8. CardGate's advantage is update cadence (every 10 days vs every 2 months). On price, ads, device support and iOS requirement 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. CardGate sells 8 in-app purchases, starting at $1.99 per 7 days. Blitzl asks for nothing beyond the download.

UpkeepUpdate frequency

Blitzl ships an update every 2 months, CardGate every 10 days. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

Scorecard2 real differences · 8 level
Blitzl versus CardGate: the parameters behind the verdict, then further details
ParameterBlitzlCardGate
PriceFreeFree
Rating5.0 (7 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings7 — better—
Update frequencyEvery 2 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 — better16.4
Further details — not scored
Size29 MB6 MB
Age rating4+4+
DeveloperEigent Technologies, Inc.Adrian Scheibelhut

In-app purchases

None

Blitzl

No in-app purchases

8 purchases

CardGate

Subscriptions3
  • Weekly Premium$1.997 Days
  • Monthly Premium$3.991 Month
  • Yearly Premium$24.991 Year
One-time5
  • Extra App Slot$0.69
  • Extra Deck Slot$0.69
  • 10 AI Credits$0.99
Show 2 more
  • 100 AI Credits$4.99
  • Lifetime Premium$34.99

Questions

Is Blitzl free?
Blitzl is free to download, with no in-app purchases.
Is CardGate free?
CardGate is free to download, with in-app purchases available.
Do Blitzl or CardGate have ads?
Neither Blitzl nor CardGate shows ads.
Which is updated more often, Blitzl or CardGate?
Blitzl ships an update every 2 months, and CardGate every 10 days. Most recently, Blitzl was updated on October 7, 2026 and CardGate on October 1, 2026.

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