Comparison

Attendance Radar vs Ludus

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

Head to head
About

Attendance Radar

Streamline student attendance tracking for educators. This app offers instant, cheat-proof Bluetooth scanning and virtual code check-ins, saving valuable teaching time. Manage any class size with detailed reports and analysis tools.

Highlights
  • Instant, cheat-proof Bluetooth attendance
  • Support for in-person and online classes
  • Manage any class size
  • Detailed reports and analysis
  • Mark students as excused or late
  • Import/export data via Excel
Features
Read full description

Join thousands of educators who have transformed how they track student attendance. Whether you’re managing a small class or hundreds of students, Attendance Radar lets you take attendance in seconds, securely and cheat-proof. Why Educators Love Attendance Radar: • Instant, Cheat-Proof Attendance: Use Bluetooth to take attendance for an entire class in seconds—no delays or cheating. • Effortless for Any Class Size: Whether you have 10 or 1,000 students, manage attendance with ease. • Track In-Person and Online Classes: Use secure Bluetooth for on-campus tracking or a six-digit code for virtual classes. • Save Hours: Eliminate manual tracking and free up time to focus on teaching and engaging with your students. • University-Level Tools: Built for educators, Attendance Radar offers detailed reports and analysis tools to make attendance management a breeze. Features You’ll Love (Free): • Set Up Unlimited Courses and Sessions: Create as many courses and sessions as you need. Define specific dates, times, and locations for each class. • Track Attendance Securely: Use Bluetooth or manual methods to quickly and securely take attendance for any class size. • Mark Students as Excused: Easily mark students who miss class with excused absences. • Register Quickly: Log in using Google, Apple, or Microsoft accounts—or use traditional email login. • Manage Any Student Roster: Subscribe as many students as you like to your courses. Go Premium for Just $15/Month or $99/Year: Unlock advanced features to save even more time and make attendance tracking smarter. • Remove Attendance Limits: Track unlimited attendances using Bluetooth scans—no restrictions. • Adjust Scan Time: Customize the Bluetooth scan time from 1 to 30 minutes for greater flexibility. • Mark Students as Late: Automatically or manually flag students as late for a more accurate attendance record. • Create Repeating Sessions: Easily schedule repeating classes for ongoing courses. • Take Notes on Students: Add notes about student participation, performance, or anything important. • Send Push Notifications: Notify students when scanning begins, ensuring no one misses their attendance. Additional Web Features (Free & Premium) Access more tools with our web platform at app.attendanceradar.com: • Free Features: ◦ Import student lists and course schedules from Excel. ◦ Export detailed attendance reports into Excel. • Premium Features: ◦ Expand Reports: Get better, more summarized attendance reports. ◦ View Attendance Trends: Use graphs to track attendance patterns over time. ◦ Access Archived Courses: Store and retrieve past course data for future reference. Ready to Streamline Your Attendance? Download Attendance Radar today and start managing attendance faster, easier, and more securely than ever before! Limited-time offer: Get the premium version for just $99/year! Want a Demo? Contact us at radar@codific.com to schedule a personalized demo. Have Questions? Reach out to us for support at radar@codific.com. We're here to help! Terms of Use(EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Ludus

This app helps you learn new languages faster by automatically creating study decks from pre-loaded dictionaries. It uses a smart spaced repetition system to schedule reviews right before you forget words, ensuring efficient learning and better long-term memory retention.

Highlights
  • Pre-loaded dictionaries
  • Automatic daily review decks
  • Spaced Repetition Scheduler (FSRS)
  • Word definitions and grammar info
  • AI Sentence Generator
  • AI Scan Tool
Features
Read full description

Stop wasting time making flashcards manually. Ludus comes with pre-loaded dictionaries, so you can search any word, save it instantly, and it automatically becomes part of your daily study deck. Ludus uses Free Spaced Repetition Scheduler (FSRS), a modern spaced repetition system that builds a unique forgetting curve for every word, so you review vocabulary right before you're likely to forget it. That means fewer wasted reps, faster progress, and stronger long-term memory. Whether you're learning French, Spanish, or building vocabulary for school, Ludus helps you study consistently and retain more with less effort. FREE FEATURES: - Pre-loaded dictionaries (no manual flashcard creation) - Instant word saving with automatic daily review deck - FSRS-based spaced repetition for smarter scheduling - Word definitions, grammar info, and example usage - Clean, fast studying built for real learning PAID FEATURES (Academic Weapon subscription): - All Languages Unlocked - Unlimited Saved Lists Coming soon: Games, skins. SUBSCRIPTION INFORMATION Ludus offers an auto-renewable subscription to unlock all premium features: ACADEMIC WEAPON PLAN: - Monthly: $6.99/month FREE PLAN: - Limited access to features - Upgrade anytime to unlock full access SUBSCRIPTION TERMS: - Payment charged to Apple ID at purchase confirmation - Subscription automatically renews unless canceled at least 24 hours before the end of the current period - Manage subscriptions in iPhone Settings > [Your Name] > Subscriptions - No refunds for unused portions of subscription LEGAL DOCUMENTS: Terms of Use (EULA): https://ludusapp.com/terms Privacy Policy: https://ludusapp.com/privacy-policy For support, contact: admin@ludusapp.com

Screenshots

Attendance Radar4 screens
Ludus4 screens

Verdict

The call

The clearest difference is rating: Ludus at 5.0 against Attendance Radar's 3.7. Attendance Radar's advantage is device support (3 vs 1). On price, review sentiment, ratings volume and update cadence 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. Attendance Radar sells 2 in-app purchases, starting at $15.00 per month and Ludus sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Ludus holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 12 and 17 respectively. Written reviews complicate that: 90% of Attendance Radar's written reviews are positive against 87% of Ludus's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Attendance Radar ships an update weekly, Ludus every 5 days. Both last shipped on September 29, 2026.

Scorecard2 real differences · 8 level
Attendance Radar versus Ludus: the parameters behind the verdict, then further details
ParameterAttendance RadarLudus
PriceFreeFree
Rating3.7 (12 ratings)5.0 (17 ratings) — better
Positive reviews90.0% of reviews — better86.7% of reviews
Number of ratings1217 — better
Update frequencyWeeklyEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better16.4
Further details — not scored
Size36 MB166 MB
Age rating4+4+
DeveloperCodificLudus-Language, Inc.

Customer experience

Attendance Radar

All ratings12 ratings
Positive58.3%
Neutral16.7%
Negative25.0%
Written reviews10 reviews
Positive90.0%
Neutral0.0%
Negative10.0%

Ludus

All ratings17 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews15 reviews
Positive86.7%
Neutral0.0%
Negative13.3%

In-app purchases

2 purchases

Attendance Radar

Subscriptions2
  • Attendance Radar Monthly$15.001 Month
  • Attendance Radar Yearly$99.001 Year
2 purchases

Ludus

Subscriptions2
  • Academic Weapon$7.991 Month
  • Annual Subscription7 Days trial$59.991 Year

Questions

Is Attendance Radar free?
Attendance Radar is free to download, with in-app purchases available.
Is Ludus free?
Ludus is free to download, with in-app purchases available.
Which has better reviews, Attendance Radar or Ludus?
Ludus is rated higher. Attendance Radar averages 3.7 out of 5 from 12 ratings, while Ludus averages 5.0 from 17 ratings.
Do Attendance Radar or Ludus have ads?
Neither Attendance Radar nor Ludus shows ads.
Which is updated more often, Attendance Radar or Ludus?
Attendance Radar ships an update weekly, and Ludus every 5 days. Most recently, Attendance Radar was updated on September 29, 2026 and Ludus on September 29, 2026.

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