Comparison

Unit Circle Calculator PRO vs Learn to Code with Erlang

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

Head to head
About

Unit Circle Calculator PRO

Visualize and understand the unit circle with step-by-step calculations, diagrams, and animations. Supports various input formats including negative values, decimals, fractions, and pi. Save, share, and revisit past calculations.

Highlights
  • Unit circle visualization
  • Step-by-step calculation
  • Diagrams and animations
  • Supports negative values, decimals, fractions, and π
  • Calculation history
  • Shareable solutions
Features
Read full description

The unit circle is visualized and explained with calculation steps, diagrams and animations. Enter the radian or the angle α to calculate the results. Negative values, decimals, fractions and π are supported. The solution is displayed step by step. All calculations are saved in the history. The solution can be shared. [ Contents] - all important quantities for the unit circle - results are also calculated as π-value - animation to show the angle α - diagrams for sine and cosine - history function to save the input - detailed solution - negative values, decimal numbers, fractions and π are supported - no ads! [ Usage ] - there are fields for entering values using a special keyboard - press the check mark button at the bottom right to start the calculation - if values are missing, all fields will be marked orange - if the values are wrong, the affected field will be highlighted red - the entries in the history can be deleted or sorted - if you select an entry in the history, it will be automatically loaded for the calculation - the whole history can be deleted by pressing a button - solutions can be shared

About

Learn to Code with Erlang

Features
Read full description

Unlock the world of programming with Learn Erlang: Programming Lessons & AI Tutor, the ultimate programming app for anyone eager to learn coding and build real skills. Whether you're coding for beginners starting your learn programming journey or an experienced developer exploring functional programming and concurrent programming, this app makes mastering Erlang code fun, interactive, and effective. Dive into a powerful language used in scalable systems, real-time apps, and tech innovations—perfect for boosting your career or hobbies. Engaging Coding Lessons for Every Learner Jump into 96+ bite-sized coding lessons that guide you from Erlang basics to advanced topics like functions, modules, pattern matching, data structures, processes, OTP basics, error handling, testing, distributed systems, and performance optimization. This Erlang tutorial is designed as a complete learn coding experience, with interactive challenges that teach functional programming principles applicable to many languages. Track your progress with easy-to-use stats: total lessons, completed modules, remaining goals, and completion percentages. Build daily habits with streaks, motivational reminders, and a progress dashboard to keep you motivated—ideal for coding for beginners or those advancing in learn programming. AI Coding Tutor: Instant Help for Your Questions Get stuck? Our built-in AI coding tutor is your personal guide! Ask about anything in your coding lessons, from "Explain variables in Erlang code" to "How do I use loops in functional programming?" or "What are common mistakes in concurrent programming?" Receive clear explanations, code examples, and tips tailored to your level. This smart AI coding tutor turns complex concepts like OTP basics and Erlang processes into simple, actionable insights, making it a must-have developer tool for beginners and pros alike. Smart Search and Custom Progress Tracking Quickly find what you need with our intuitive search for lessons, topics, or content—explore popular areas like variables, loops, operators, functions, and data types. The customizable dashboard shows your overall progress, current streak, time spent learning, and breakdowns by category, helping you stay on track in your learn coding adventure. Whether you're focusing on Erlang tutorial modules or general programming app features, it's all at your fingertips. Why This Programming App Stands Out for Broad Learners Beginner-Friendly Start: Perfect for coding for beginners with step-by-step guidance in learn programming basics. Advanced Tools for Growth: Master concurrent programming, functional programming, and Erlang code for real-world developer tools. Daily Motivation: Streaks and badges encourage consistent practice to level up your skills. Offline Mode: Access coding lessons anytime, anywhere—no internet required. Join a growing community of users transforming their skills with this top-rated programming app. From coding for beginners to advanced Erlang developers, it's your gateway to learn coding confidently. Discover why Erlang is a powerhouse for building reliable, high-performance apps, and apply these concepts to other languages too. Download now to start your learn programming journey, conquer coding lessons, and become a pro with our AI coding tutor!

Screenshots

Unit Circle Calculator PRO4 screens
Learn to Code with Erlang4 screens

Verdict

The call

The clearest difference is update cadence: Learn to Code with Erlang at every 6 days against Unit Circle Calculator PRO's monthly. Learn to Code with Erlang also leads on iOS requirement (12.0 vs 15.0). Unit Circle Calculator PRO's advantage is price ($1.99 vs $3.99). On 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

Unit Circle Calculator PRO costs $1.99 and Learn to Code with Erlang $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Unit Circle Calculator PRO ships an update monthly, Learn to Code with Erlang every 6 days. The most recent releases landed on October 25, 2026 and October 6, 2026 respectively.

Scorecard3 real differences · 7 level
Unit Circle Calculator PRO versus Learn to Code with Erlang: the parameters behind the verdict, then further details
ParameterUnit Circle Calculator PROLearn to Code with Erlang
Price$1.99 — better$3.99
Rating4.7 (25 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings25 — better—
Update frequencyMonthlyEvery 6 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size181 MB48 MB
Age rating4+9+
DeveloperGlindemann, Sennoun, Langer GbRShahbaz Khan

In-app purchases

None

Unit Circle Calculator PRO

No in-app purchases

None

Learn to Code with Erlang

No in-app purchases

Questions

Is Unit Circle Calculator PRO free?
Unit Circle Calculator PRO costs $1.99, with no in-app purchases.
Is Learn to Code with Erlang free?
Learn to Code with Erlang costs $3.99, with no in-app purchases.
Do Unit Circle Calculator PRO or Learn to Code with Erlang have ads?
Neither Unit Circle Calculator PRO nor Learn to Code with Erlang shows ads.
Which is updated more often, Unit Circle Calculator PRO or Learn to Code with Erlang?
Unit Circle Calculator PRO ships an update monthly, and Learn to Code with Erlang every 6 days. Most recently, Unit Circle Calculator PRO was updated on October 25, 2026 and Learn to Code with Erlang on October 6, 2026.

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